Run msh through indent

1 files changed, 1164 insertions, 1313 deletions

diff --git a/shell/msh.c b/shell/msh.c
index 62e7844..722d90d 100644
--- a/shell/msh.c
+++ b/shell/msh.c
@@ -55,12 +55,12 @@
  */
 
 #define	LINELIM	2100
-#define	NPUSH	8	/* limit to input nesting */
+#define	NPUSH	8				/* limit to input nesting */
 
 #undef NOFILE
-#define	NOFILE	20	/* Number of open files */
-#define	NUFILE	10	/* Number of user-accessible files */
-#define	FDBASE	10	/* First file usable by Shell */
+#define	NOFILE	20				/* Number of open files */
+#define	NUFILE	10				/* Number of user-accessible files */
+#define	FDBASE	10				/* First file usable by Shell */
 
 /*
  * values returned by wait
@@ -72,7 +72,7 @@
 /*
  * library and system definitions
  */
-typedef void xint;	/* base type of jmp_buf, for not broken compilers */
+typedef void xint;				/* base type of jmp_buf, for not broken compilers */
 
 /*
  * shell components
@@ -90,20 +90,20 @@ typedef void xint;	/* base type of jmp_buf, for not broken compilers */
  * Might eventually use a union.
  */
 struct op {
-	int	type;	/* operation type, see below */
-	char	**words;	/* arguments to a command */
-	struct	ioword	**ioact;	/* IO actions (eg, < > >>) */
+	int type;					/* operation type, see below */
+	char **words;				/* arguments to a command */
+	struct ioword **ioact;		/* IO actions (eg, < > >>) */
 	struct op *left;
 	struct op *right;
-	char	*str;	/* identifier for case and for */
+	char *str;					/* identifier for case and for */
 };
 
-#define	TCOM	1	/* command */
-#define	TPAREN	2	/* (c-list) */
-#define	TPIPE	3	/* a | b */
-#define	TLIST	4	/* a [&;] b */
-#define	TOR	5	/* || */
-#define	TAND	6	/* && */
+#define	TCOM	1				/* command */
+#define	TPAREN	2				/* (c-list) */
+#define	TPIPE	3				/* a | b */
+#define	TLIST	4				/* a [&;] b */
+#define	TOR	5					/* || */
+#define	TAND	6				/* && */
 #define	TFOR	7
 #define	TDO	8
 #define	TCASE	9
@@ -111,40 +111,40 @@ struct op {
 #define	TWHILE	11
 #define	TUNTIL	12
 #define	TELIF	13
-#define	TPAT	14	/* pattern in case */
-#define	TBRACE	15	/* {c-list} */
-#define	TASYNC	16	/* c & */
+#define	TPAT	14				/* pattern in case */
+#define	TBRACE	15				/* {c-list} */
+#define	TASYNC	16				/* c & */
 
 /*
  * actions determining the environment of a process
  */
 #define	BIT(i)	(1<<(i))
-#define	FEXEC	BIT(0)	/* execute without forking */
+#define	FEXEC	BIT(0)			/* execute without forking */
 
 /*
  * flags to control evaluation of words
  */
-#define	DOSUB	1	/* interpret $, `, and quotes */
-#define	DOBLANK	2	/* perform blank interpretation */
-#define	DOGLOB	4	/* interpret [?* */
-#define	DOKEY	8	/* move words with `=' to 2nd arg. list */
-#define	DOTRIM	16	/* trim resulting string */
+#define	DOSUB	1				/* interpret $, `, and quotes */
+#define	DOBLANK	2				/* perform blank interpretation */
+#define	DOGLOB	4				/* interpret [?* */
+#define	DOKEY	8				/* move words with `=' to 2nd arg. list */
+#define	DOTRIM	16				/* trim resulting string */
 
 #define	DOALL	(DOSUB|DOBLANK|DOGLOB|DOKEY|DOTRIM)
 
-static	char	**dolv;
-static	int	dolc;
-static	int	exstat;
-static  char	gflg;
-static  int	interactive;	/* Is this an interactive shell */
-static  int	execflg;
-static  int	multiline;	/* \n changed to ; */
-static  struct	op	*outtree;	/* result from parser */
-
-static	xint	*failpt;
-static	xint	*errpt;
-static	struct brkcon	*brklist;
-static	int	isbreak;
+static char **dolv;
+static int dolc;
+static int exstat;
+static char gflg;
+static int interactive;			/* Is this an interactive shell */
+static int execflg;
+static int multiline;			/* \n changed to ; */
+static struct op *outtree;		/* result from parser */
+
+static xint *failpt;
+static xint *errpt;
+static struct brkcon *brklist;
+static int isbreak;
 static int newfile(char *s);
 static char *findeq(char *cp);
 static char *cclass(char *p, int sub);
@@ -152,42 +152,43 @@ static void initarea(void);
 extern int msh_main(int argc, char **argv);
 
 
-struct	brkcon {
-	jmp_buf	brkpt;
-	struct	brkcon	*nextlev;
-} ;
+struct brkcon {
+	jmp_buf brkpt;
+	struct brkcon *nextlev;
+};
 
 /*
  * redirection
  */
 struct ioword {
-	short	io_unit;	/* unit affected */
-	short	io_flag;	/* action (below) */
-	char	*io_name;	/* file name */
+	short io_unit;				/* unit affected */
+	short io_flag;				/* action (below) */
+	char *io_name;				/* file name */
 };
-#define	IOREAD	1	/* < */
-#define	IOHERE	2	/* << (here file) */
-#define	IOWRITE	4	/* > */
-#define	IOCAT	8	/* >> */
-#define	IOXHERE	16	/* ${}, ` in << */
-#define	IODUP	32	/* >&digit */
-#define	IOCLOSE	64	/* >&- */
 
-#define	IODEFAULT (-1)	/* token for default IO unit */
+#define	IOREAD	1				/* < */
+#define	IOHERE	2				/* << (here file) */
+#define	IOWRITE	4				/* > */
+#define	IOCAT	8				/* >> */
+#define	IOXHERE	16				/* ${}, ` in << */
+#define	IODUP	32				/* >&digit */
+#define	IOCLOSE	64				/* >&- */
+
+#define	IODEFAULT (-1)			/* token for default IO unit */
 
-static	struct	wdblock	*wdlist;
-static	struct	wdblock	*iolist;
+static struct wdblock *wdlist;
+static struct wdblock *iolist;
 
 /*
  * parsing & execution environment
  */
-static struct	env {
-	char	*linep;
-	struct	io	*iobase;
-	struct	io	*iop;
-	xint	*errpt;
-	int	iofd;
-	struct	env	*oenv;
+static struct env {
+	char *linep;
+	struct io *iobase;
+	struct io *iop;
+	xint *errpt;
+	int iofd;
+	struct env *oenv;
 } e;
 
 /*
@@ -200,65 +201,65 @@ static struct	env {
  * -x: trace
  * -u: unset variables net diagnostic
  */
-static	char	*flag;
+static char *flag;
 
-static	char	*null;	/* null value for variable */
-static	int	intr;	/* interrupt pending */
+static char *null;				/* null value for variable */
+static int intr;				/* interrupt pending */
 
-static	char	*trap[_NSIG+1];
-static	char	ourtrap[_NSIG+1];
-static	int	trapset;	/* trap pending */
+static char *trap[_NSIG + 1];
+static char ourtrap[_NSIG + 1];
+static int trapset;				/* trap pending */
 
-static	int	heedint;	/* heed interrupt signals */
+static int heedint;				/* heed interrupt signals */
 
-static	int	yynerrs;	/* yacc */
+static int yynerrs;				/* yacc */
 
-static	char	line[LINELIM];
-static	char	*elinep;
+static char line[LINELIM];
+static char *elinep;
 
 /*
  * other functions
  */
-static int(*inbuilt(char *s))(struct op *);
-
-
-static char *rexecve (char *c , char **v, char **envp );
-static char *space (int n );
-static char *strsave (char *s, int a );
-static char *evalstr (char *cp, int f );
-static char *putn (int n );
-static char *itoa (int n );
-static char *unquote (char *as );
-static struct var *lookup (char *n );
-static int rlookup (char *n );
-static struct wdblock *glob (char *cp, struct wdblock *wb );
-static int my_getc( int ec);
-static int subgetc (int ec, int quoted );
-static char **makenv (void);
-static char **eval (char **ap, int f );
-static int setstatus (int s );
-static int waitfor (int lastpid, int canintr );
-
-static void onintr (int s ); /* SIGINT handler */
-
-static int newenv (int f );
-static void quitenv (void);
-static void err (char *s );
-static int anys (char *s1, char *s2 );
-static int any (int c, char *s );
-static void next (int f );
-static void setdash (void);
-static void onecommand (void);
-static void runtrap (int i );
-static int gmatch (char *s, char *p );
+static int (*inbuilt(char *s)) (struct op *);
+
+
+static char *rexecve(char *c, char **v, char **envp);
+static char *space(int n);
+static char *strsave(char *s, int a);
+static char *evalstr(char *cp, int f);
+static char *putn(int n);
+static char *itoa(int n);
+static char *unquote(char *as);
+static struct var *lookup(char *n);
+static int rlookup(char *n);
+static struct wdblock *glob(char *cp, struct wdblock *wb);
+static int my_getc(int ec);
+static int subgetc(int ec, int quoted);
+static char **makenv(void);
+static char **eval(char **ap, int f);
+static int setstatus(int s);
+static int waitfor(int lastpid, int canintr);
+
+static void onintr(int s);		/* SIGINT handler */
+
+static int newenv(int f);
+static void quitenv(void);
+static void err(char *s);
+static int anys(char *s1, char *s2);
+static int any(int c, char *s);
+static void next(int f);
+static void setdash(void);
+static void onecommand(void);
+static void runtrap(int i);
+static int gmatch(char *s, char *p);
 
 /*
  * error handling
  */
-static void leave (void); /* abort shell (or fail in subshell) */
-static void fail (void);	 /* fail but return to process next command */
-static void warn (char *s );
-static void sig (int i );	 /* default signal handler */
+static void leave(void);		/* abort shell (or fail in subshell) */
+static void fail(void);			/* fail but return to process next command */
+static void warn(char *s);
+static void sig(int i);			/* default signal handler */
 
 
 
@@ -266,7 +267,7 @@ static void sig (int i );	 /* default signal handler */
 
 #define	REGSIZE		sizeof(struct region)
 #define GROWBY		256
-//#define	SHRINKBY   64
+//#define   SHRINKBY   64
 #undef	SHRINKBY
 #define FREE 32767
 #define BUSY 0
@@ -274,19 +275,20 @@ static void sig (int i );	 /* default signal handler */
 
 
 struct region {
-	struct	region *next;
-	int	area;
+	struct region *next;
+	int area;
 };
 
 
 
 /* -------- grammar stuff -------- */
 typedef union {
-	char	*cp;
-	char	**wp;
-	int	i;
-	struct	op *o;
+	char *cp;
+	char **wp;
+	int i;
+	struct op *o;
 } YYSTYPE;
+
 #define	WORD	256
 #define	LOGAND	257
 #define	LOGOR	258
@@ -307,113 +309,116 @@ typedef union {
 #define	YYERRCODE 300
 
 /* flags to yylex */
-#define	CONTIN	01	/* skip new lines to complete command */
+#define	CONTIN	01				/* skip new lines to complete command */
 
 #define	SYNTAXERR	zzerr()
-static struct op *pipeline(int cf );
+static struct op *pipeline(int cf);
 static struct op *andor(void);
 static struct op *c_list(void);
-static int synio(int cf );
-static void musthave (int c, int cf );
+static int synio(int cf);
+static void musthave(int c, int cf);
 static struct op *simple(void);
-static struct op *nested(int type, int mark );
-static struct op *command(int cf );
-static struct op *dogroup(int onlydone );
+static struct op *nested(int type, int mark);
+static struct op *command(int cf);
+static struct op *dogroup(int onlydone);
 static struct op *thenpart(void);
 static struct op *elsepart(void);
 static struct op *caselist(void);
 static struct op *casepart(void);
 static char **pattern(void);
 static char **wordlist(void);
-static struct op *list(struct op *t1, struct op *t2 );
-static struct op *block(int type, struct op *t1, struct op *t2, char **wp );
+static struct op *list(struct op *t1, struct op *t2);
+static struct op *block(int type, struct op *t1, struct op *t2, char **wp);
 static struct op *newtp(void);
-static struct op *namelist(struct op *t );
+static struct op *namelist(struct op *t);
 static char **copyw(void);
-static void word(char *cp );
+static void word(char *cp);
 static struct ioword **copyio(void);
-static struct ioword *io (int u, int f, char *cp );
+static struct ioword *io(int u, int f, char *cp);
 static void zzerr(void);
-static void yyerror(char *s );
-static int yylex(int cf );
-static int collect(int c, int c1 );
-static int dual(int c );
-static void diag(int ec );
-static char *tree(unsigned size );
+static void yyerror(char *s);
+static int yylex(int cf);
+static int collect(int c, int c1);
+static int dual(int c);
+static void diag(int ec);
+static char *tree(unsigned size);
 
 /* -------- var.h -------- */
 
-struct	var {
-	char	*value;
-	char	*name;
-	struct	var	*next;
-	char	status;
+struct var {
+	char *value;
+	char *name;
+	struct var *next;
+	char status;
 };
-#define	COPYV	1	/* flag to setval, suggesting copy */
-#define	RONLY	01	/* variable is read-only */
-#define	EXPORT	02	/* variable is to be exported */
-#define	GETCELL	04	/* name & value space was got with getcell */
-
-static	struct	var	*vlist;		/* dictionary */
-
-static	struct	var	*homedir;	/* home directory */
-static	struct	var	*prompt;	/* main prompt */
-static	struct	var	*cprompt;	/* continuation prompt */
-static	struct	var	*path;		/* search path for commands */
-static	struct	var	*shell;		/* shell to interpret command files */
-static	struct	var	*ifs;		/* field separators */
-
-static int yyparse (void);
-static struct var *lookup (char *n );
-static void setval (struct var *vp, char *val );
-static void nameval (struct var *vp, char *val, char *name );
-static void export (struct var *vp );
-static void ronly (struct var *vp );
-static int isassign (char *s );
-static int checkname (char *cp );
-static int assign (char *s, int cf );
-static void putvlist (int f, int out );
-static int eqname (char *n1, char *n2 );
-
-static int execute (struct op *t, int *pin, int *pout, int act );
+
+#define	COPYV	1				/* flag to setval, suggesting copy */
+#define	RONLY	01				/* variable is read-only */
+#define	EXPORT	02				/* variable is to be exported */
+#define	GETCELL	04				/* name & value space was got with getcell */
+
+static struct var *vlist;		/* dictionary */
+
+static struct var *homedir;		/* home directory */
+static struct var *prompt;		/* main prompt */
+static struct var *cprompt;		/* continuation prompt */
+static struct var *path;		/* search path for commands */
+static struct var *shell;		/* shell to interpret command files */
+static struct var *ifs;			/* field separators */
+
+static int yyparse(void);
+static struct var *lookup(char *n);
+static void setval(struct var *vp, char *val);
+static void nameval(struct var *vp, char *val, char *name);
+static void export(struct var *vp);
+static void ronly(struct var *vp);
+static int isassign(char *s);
+static int checkname(char *cp);
+static int assign(char *s, int cf);
+static void putvlist(int f, int out);
+static int eqname(char *n1, char *n2);
+
+static int execute(struct op *t, int *pin, int *pout, int act);
 
 /* -------- io.h -------- */
 /* io buffer */
 struct iobuf {
-  unsigned id;				/* buffer id */
-  char buf[512];			/* buffer */
-  char *bufp;				/* pointer into buffer */
-  char *ebufp;				/* pointer to end of buffer */
+	unsigned id;				/* buffer id */
+	char buf[512];				/* buffer */
+	char *bufp;					/* pointer into buffer */
+	char *ebufp;				/* pointer to end of buffer */
 };
 
 /* possible arguments to an IO function */
 struct ioarg {
-	char	*aword;
-	char	**awordlist;
-	int	afile;		/* file descriptor */
-	unsigned afid;		/* buffer id */
-	long	afpos;		/* file position */
-	struct iobuf *afbuf;	/* buffer for this file */
+	char *aword;
+	char **awordlist;
+	int afile;					/* file descriptor */
+	unsigned afid;				/* buffer id */
+	long afpos;					/* file position */
+	struct iobuf *afbuf;		/* buffer for this file */
 };
+
 //static struct ioarg ioargstack[NPUSH];
 #define AFID_NOBUF	(~0)
 #define AFID_ID		0
 
 /* an input generator's state */
-struct	io {
-	int	(*iofn)(struct  ioarg *, struct io *);
-	struct	ioarg	*argp;
-	int	peekc;
-	char	prev;		/* previous character read by readc() */
-	char	nlcount;	/* for `'s */
-	char	xchar;		/* for `'s */
-	char	task;		/* reason for pushed IO */
+struct io {
+	int (*iofn) (struct ioarg *, struct io *);
+	struct ioarg *argp;
+	int peekc;
+	char prev;					/* previous character read by readc() */
+	char nlcount;				/* for `'s */
+	char xchar;					/* for `'s */
+	char task;					/* reason for pushed IO */
 };
-//static	struct	io	iostack[NPUSH];
-#define	XOTHER	0	/* none of the below */
-#define	XDOLL	1	/* expanding ${} */
-#define	XGRAVE	2	/* expanding `'s */
-#define	XIO	3	/* file IO */
+
+//static    struct  io  iostack[NPUSH];
+#define	XOTHER	0				/* none of the below */
+#define	XDOLL	1				/* expanding ${} */
+#define	XGRAVE	2				/* expanding `'s */
+#define	XIO	3					/* file IO */
 
 /* in substitution */
 #define	INSUB()	(e.iop->task == XGRAVE || e.iop->task == XDOLL)
@@ -421,75 +426,76 @@ struct	io {
 /*
  * input generators for IO structure
  */
-static int nlchar (struct ioarg *ap );
-static int strchar (struct ioarg *ap );
-static int qstrchar (struct ioarg *ap );
-static int filechar (struct ioarg *ap );
-static int herechar (struct ioarg *ap );
-static int linechar (struct ioarg *ap );
-static int gravechar (struct ioarg *ap, struct io *iop );
-static int qgravechar (struct ioarg *ap, struct io *iop );
-static int dolchar (struct ioarg *ap );
-static int wdchar (struct ioarg *ap );
-static void scraphere (void);
-static void freehere (int area );
-static void gethere (void);
-static void markhere (char *s, struct ioword *iop );
-static int herein (char *hname, int xdoll );
-static int run (struct ioarg *argp, int (*f)(struct ioarg *));
+static int nlchar(struct ioarg *ap);
+static int strchar(struct ioarg *ap);
+static int qstrchar(struct ioarg *ap);
+static int filechar(struct ioarg *ap);
+static int herechar(struct ioarg *ap);
+static int linechar(struct ioarg *ap);
+static int gravechar(struct ioarg *ap, struct io *iop);
+static int qgravechar(struct ioarg *ap, struct io *iop);
+static int dolchar(struct ioarg *ap);
+static int wdchar(struct ioarg *ap);
+static void scraphere(void);
+static void freehere(int area);
+static void gethere(void);
+static void markhere(char *s, struct ioword *iop);
+static int herein(char *hname, int xdoll);
+static int run(struct ioarg *argp, int (*f) (struct ioarg *));
 
 /*
  * IO functions
  */
-static int eofc (void);
-static int readc (void);
-static void unget (int c );
-static void ioecho (int c );
-static void prs (char *s );
-static void prn (unsigned u );
-static void closef (int i );
-static void closeall (void);
+static int eofc(void);
+static int readc(void);
+static void unget(int c);
+static void ioecho(int c);
+static void prs(char *s);
+static void prn(unsigned u);
+static void closef(int i);
+static void closeall(void);
 
 /*
  * IO control
  */
-static void pushio (struct ioarg *argp, int (*f)(struct ioarg *));
-static int remap (int fd );
-static int openpipe (int *pv );
-static void closepipe (int *pv );
-static struct io *setbase (struct io *ip );
+static void pushio(struct ioarg *argp, int (*f) (struct ioarg *));
+static int remap(int fd);
+static int openpipe(int *pv);
+static void closepipe(int *pv);
+static struct io *setbase(struct io *ip);
+
+static struct ioarg temparg;	/* temporary for PUSHIO */
 
-static	struct	ioarg	temparg;	/* temporary for PUSHIO */
 #define	PUSHIO(what,arg,gen) ((temparg.what = (arg)),pushio(&temparg,(gen)))
 #define	RUN(what,arg,gen) ((temparg.what = (arg)), run(&temparg,(gen)))
 
 /* -------- word.h -------- */
 
-#define	NSTART	16	/* default number of words to allow for initially */
+#define	NSTART	16				/* default number of words to allow for initially */
 
-struct	wdblock {
-	short	w_bsize;
-	short	w_nword;
+struct wdblock {
+	short w_bsize;
+	short w_nword;
 	/* bounds are arbitrary */
-	char	*w_words[1];
+	char *w_words[1];
 };
 
-static struct wdblock *addword (char *wd, struct wdblock *wb );
-static struct wdblock *newword (int nw );
-static char **getwords (struct wdblock *wb );
+static struct wdblock *addword(char *wd, struct wdblock *wb);
+static struct wdblock *newword(int nw);
+static char **getwords(struct wdblock *wb);
 
 /* -------- area.h -------- */
 
 /*
  * storage allocation
  */
-static char *getcell (unsigned nbytes );
-static void garbage (void);
-static void setarea (char *cp, int a );
-static int getarea (char *cp );
-static void freearea (int a );
-static void freecell (char *cp );
-static	int	areanum;	/* current allocation area */
+static char *getcell(unsigned nbytes);
+static void garbage(void);
+static void setarea(char *cp, int a);
+static int getarea(char *cp);
+static void freearea(int a);
+static void freecell(char *cp);
+static int areanum;				/* current allocation area */
 
 #define	NEW(type) (type *)getcell(sizeof(type))
 #define	DELETE(obj)	freecell((char *)obj)
@@ -497,65 +503,67 @@ static	int	areanum;	/* current allocation area */
 
 /* -------- misc stuff -------- */
 
-static int forkexec (struct op *t, int *pin, int *pout, int act, char **wp, int *pforked );
-static int iosetup (struct ioword *iop, int pipein, int pipeout );
-static void echo(char **wp );
-static struct op **find1case (struct op *t, char *w );
-static struct op *findcase (struct op *t, char *w );
-static void brkset(struct brkcon *bc );
-static int dolabel(struct op *t );
-static int dohelp(struct op *t );
-static int dochdir(struct op *t );
-static int doshift(struct op *t );
-static int dologin(struct op *t );
-static int doumask(struct op *t );
-static int doexec(struct op *t );
-static int dodot(struct op *t );
-static int dowait(struct op *t );
-static int doread(struct op *t );
-static int doeval(struct op *t );
-static int dotrap(struct op *t );
-static int getsig(char *s );
-static void setsig (int n, sighandler_t f);
-static int getn(char *as );
-static int dobreak(struct op *t );
-static int docontinue(struct op *t );
-static int brkcontin (char *cp, int val );
-static int doexit(struct op *t );
-static int doexport(struct op *t );
-static int doreadonly(struct op *t );
-static void rdexp (char **wp, void (*f)(struct var *), int key);
-static void badid(char *s );
-static int doset(struct op *t );
-static void varput (char *s, int out );
-static int dotimes(struct op *t );
-static int expand (char *cp, struct wdblock **wbp, int f );
-static char *blank(int f );
-static int dollar(int quoted );
-static int grave(int quoted );
-static void globname (char *we, char *pp );
-static char *generate (char *start1, char *end1, char *middle, char *end );
-static int anyspcl(struct wdblock *wb );
-static int xstrcmp (char *p1, char *p2 );
-static void glob0 (char *a0, unsigned int a1, int a2, int (*a3)(char *, char *));
-static void glob1 (char *base, char *lim );
-static void glob2 (char *i, char *j );
-static void glob3 (char *i, char *j, char *k );
-static void readhere (char **name, char *s, int ec );
-static void pushio (struct ioarg *argp, int (*f)(struct ioarg *));
-static int xxchar(struct ioarg *ap );
-
-struct	here {
-	char	*h_tag;
-	int	h_dosub;
-	struct	ioword *h_iop;
-	struct	here	*h_next;
+static int forkexec(struct op *t, int *pin, int *pout, int act, char **wp,
+					int *pforked);
+static int iosetup(struct ioword *iop, int pipein, int pipeout);
+static void echo(char **wp);
+static struct op **find1case(struct op *t, char *w);
+static struct op *findcase(struct op *t, char *w);
+static void brkset(struct brkcon *bc);
+static int dolabel(struct op *t);
+static int dohelp(struct op *t);
+static int dochdir(struct op *t);
+static int doshift(struct op *t);
+static int dologin(struct op *t);
+static int doumask(struct op *t);
+static int doexec(struct op *t);
+static int dodot(struct op *t);
+static int dowait(struct op *t);
+static int doread(struct op *t);
+static int doeval(struct op *t);
+static int dotrap(struct op *t);
+static int getsig(char *s);
+static void setsig(int n, sighandler_t f);
+static int getn(char *as);
+static int dobreak(struct op *t);
+static int docontinue(struct op *t);
+static int brkcontin(char *cp, int val);
+static int doexit(struct op *t);
+static int doexport(struct op *t);
+static int doreadonly(struct op *t);
+static void rdexp(char **wp, void (*f) (struct var *), int key);
+static void badid(char *s);
+static int doset(struct op *t);
+static void varput(char *s, int out);
+static int dotimes(struct op *t);
+static int expand(char *cp, struct wdblock **wbp, int f);
+static char *blank(int f);
+static int dollar(int quoted);
+static int grave(int quoted);
+static void globname(char *we, char *pp);
+static char *generate(char *start1, char *end1, char *middle, char *end);
+static int anyspcl(struct wdblock *wb);
+static int xstrcmp(char *p1, char *p2);
+static void glob0(char *a0, unsigned int a1, int a2,
+				  int (*a3) (char *, char *));
+static void glob1(char *base, char *lim);
+static void glob2(char *i, char *j);
+static void glob3(char *i, char *j, char *k);
+static void readhere(char **name, char *s, int ec);
+static void pushio(struct ioarg *argp, int (*f) (struct ioarg *));
+static int xxchar(struct ioarg *ap);
+
+struct here {
+	char *h_tag;
+	int h_dosub;
+	struct ioword *h_iop;
+	struct here *h_next;
 };
 
-static	char	*signame[] = {
+static char *signame[] = {
 	"Signal 0",
 	"Hangup",
-	(char *)NULL,	/* interrupt */
+	(char *) NULL,				/* interrupt */
 	"Quit",
 	"Illegal instruction",
 	"Trace/BPT trap",
@@ -566,128 +574,131 @@ static	char	*signame[] = {
 	"SIGUSR1",
 	"SIGSEGV",
 	"SIGUSR2",
-	(char *)NULL,	/* broken pipe */
+	(char *) NULL,				/* broken pipe */
 	"Alarm clock",
 	"Terminated",
 };
+
 #define	NSIGNAL (sizeof(signame)/sizeof(signame[0]))
 
 struct res {
 	char *r_name;
-	int	  r_val;
+	int r_val;
 };
 static struct res restab[] = {
-    {"for",		FOR},
-    {"case",	CASE},
-    {"esac",	ESAC},
-    {"while",	WHILE},
-    {"do",		DO},
-    {"done",	DONE},
-    {"if",		IF},
-    {"in",		IN},
-    {"then",	THEN},
-    {"else",	ELSE},
-    {"elif",	ELIF},
-    {"until",	UNTIL},
-    {"fi",		FI},
-
-    {";;",		BREAK},
-    {"||",		LOGOR},
-    {"&&",		LOGAND},
-    {"{",		'{'},
-    {"}",		'}'},
-    {0,		0},
+	{"for", FOR},
+	{"case", CASE},
+	{"esac", ESAC},
+	{"while", WHILE},
+	{"do", DO},
+	{"done", DONE},
+	{"if", IF},
+	{"in", IN},
+	{"then", THEN},
+	{"else", ELSE},
+	{"elif", ELIF},
+	{"until", UNTIL},
+	{"fi", FI},
+
+	{";;", BREAK},
+	{"||", LOGOR},
+	{"&&", LOGAND},
+	{"{", '{'},
+	{"}", '}'},
+	{0, 0},
 };
 
 
 struct builtincmd {
 	const char *name;
-	int (*builtinfunc)(struct op *t);
+	int (*builtinfunc) (struct op * t);
 };
-static const struct	builtincmd	builtincmds[] = {
-    {".",		dodot},
-    {":",		dolabel},
-    {"break",	dobreak},
-    {"cd",		dochdir},
-    {"continue",docontinue},
-    {"eval",	doeval},
-    {"exec",	doexec},
-    {"exit",	doexit},
-    {"export",	doexport},
-    {"help",	dohelp},
-    {"login",	dologin},
-    {"newgrp",	dologin},
-    {"read",	doread},
-    {"readonly",doreadonly},
-    {"set",		doset},
-    {"shift",	doshift},
-    {"times",	dotimes},
-    {"trap",	dotrap},
-    {"umask",	doumask},
-    {"wait",	dowait},
-    {0,0}
+static const struct builtincmd builtincmds[] = {
+	{".", dodot},
+	{":", dolabel},
+	{"break", dobreak},
+	{"cd", dochdir},
+	{"continue", docontinue},
+	{"eval", doeval},
+	{"exec", doexec},
+	{"exit", doexit},
+	{"export", doexport},
+	{"help", dohelp},
+	{"login", dologin},
+	{"newgrp", dologin},
+	{"read", doread},
+	{"readonly", doreadonly},
+	{"set", doset},
+	{"shift", doshift},
+	{"times", dotimes},
+	{"trap", dotrap},
+	{"umask", doumask},
+	{"wait", dowait},
+	{0, 0}
 };
 
 /* Globals */
-extern	char	**environ;	/* environment pointer */
-static char	**dolv;
-static int	dolc;
-static int	exstat;
-static char	gflg;
-static int	interactive;	/* Is this an interactive shell */
-static int	execflg;
-static int	multiline;	/* \n changed to ; */
-static struct	op	*outtree;	/* result from parser */
-static xint	*failpt;
-static xint	*errpt;
-static struct	brkcon	*brklist;
-static int	isbreak;
-static struct	wdblock	*wdlist;
-static struct	wdblock	*iolist;
-static char	*trap[_NSIG+1];
-static char	ourtrap[_NSIG+1];
-static int	trapset;	/* trap pending */
-static int	yynerrs;	/* yacc */
-static char	line[LINELIM];
-static struct	var	*vlist;		/* dictionary */
-static struct	var	*homedir;	/* home directory */
-static struct	var	*prompt;	/* main prompt */
-static struct	var	*cprompt;	/* continuation prompt */
-static struct	var	*path;		/* search path for commands */
-static struct	var	*shell;		/* shell to interpret command files */
-static struct	var	*ifs;		/* field separators */
-static struct	ioarg ioargstack[NPUSH];
-static struct	io	iostack[NPUSH];
-static int	areanum;	/* current allocation area */
-static int	intr;
-static int	inparse;
-static char	flags['z'-'a'+1];
-static char	*flag = flags-'a';
-static char	*elinep = line+sizeof(line)-5;
-static char	*null	= "";
-static int	heedint =1;
-static struct env e ={line, iostack, iostack-1, (xint *)NULL, FDBASE, (struct env *)NULL};
-static void (*qflag)(int) = SIG_IGN;
-static	int	startl;
-static	int	peeksym;
-static	int	nlseen;
-static	int	iounit = IODEFAULT;
-static	YYSTYPE	yylval;
-static struct iobuf sharedbuf = {AFID_NOBUF};
-static struct iobuf mainbuf = {AFID_NOBUF};
+extern char **environ;			/* environment pointer */
+static char **dolv;
+static int dolc;
+static int exstat;
+static char gflg;
+static int interactive;			/* Is this an interactive shell */
+static int execflg;
+static int multiline;			/* \n changed to ; */
+static struct op *outtree;		/* result from parser */
+static xint *failpt;
+static xint *errpt;
+static struct brkcon *brklist;
+static int isbreak;
+static struct wdblock *wdlist;
+static struct wdblock *iolist;
+static char *trap[_NSIG + 1];
+static char ourtrap[_NSIG + 1];
+static int trapset;				/* trap pending */
+static int yynerrs;				/* yacc */
+static char line[LINELIM];
+static struct var *vlist;		/* dictionary */
+static struct var *homedir;		/* home directory */
+static struct var *prompt;		/* main prompt */
+static struct var *cprompt;		/* continuation prompt */
+static struct var *path;		/* search path for commands */
+static struct var *shell;		/* shell to interpret command files */
+static struct var *ifs;			/* field separators */
+static struct ioarg ioargstack[NPUSH];
+static struct io iostack[NPUSH];
+static int areanum;				/* current allocation area */
+static int intr;
+static int inparse;
+static char flags['z' - 'a' + 1];
+static char *flag = flags - 'a';
+static char *elinep = line + sizeof(line) - 5;
+static char *null = "";
+static int heedint = 1;
+static struct env e =
+	{ line, iostack, iostack - 1, (xint *) NULL, FDBASE,
+(struct env *) NULL };
+static void (*qflag) (int) = SIG_IGN;
+static int startl;
+static int peeksym;
+static int nlseen;
+static int iounit = IODEFAULT;
+static YYSTYPE yylval;
+static struct iobuf sharedbuf = { AFID_NOBUF };
+static struct iobuf mainbuf = { AFID_NOBUF };
 static unsigned bufid = AFID_ID;	/* buffer id counter */
-static struct ioarg temparg = {0, 0, 0, AFID_NOBUF, 0};
-static	struct here *inhere;		/* list of hear docs while parsing */
-static	struct here *acthere;		/* list of active here documents */
-static	struct region *areabot;		/* bottom of area */
-static	struct region *areatop;		/* top of area */
-static	struct region *areanxt;		/* starting point of scan */
-static void * brktop;
-static void * brkaddr;
+static struct ioarg temparg = { 0, 0, 0, AFID_NOBUF, 0 };
+static struct here *inhere;		/* list of hear docs while parsing */
+static struct here *acthere;	/* list of active here documents */
+static struct region *areabot;	/* bottom of area */
+static struct region *areatop;	/* top of area */
+static struct region *areanxt;	/* starting point of scan */
+static void *brktop;
+static void *brkaddr;
 
 
 #ifdef CONFIG_FEATURE_COMMAND_EDITING
-static char * current_prompt;
+static char *current_prompt;
 #endif
 
 /* -------- sh.c -------- */
@@ -702,7 +713,7 @@ extern int msh_main(int argc, char **argv)
 	register char *s;
 	int cflag;
 	char *name, **ap;
-	int (*iof)(struct ioarg *);
+	int (*iof) (struct ioarg *);
 
 	initarea();
 	if ((ap = environ) != NULL) {
@@ -758,8 +769,8 @@ extern int msh_main(int argc, char **argv)
 	cflag = 0;
 	name = *argv++;
 	if (--argc >= 1) {
-		if(argv[0][0] == '-' && argv[0][1] != '\0') {
-			for (s = argv[0]+1; *s; s++)
+		if (argv[0][0] == '-' && argv[0][1] != '\0') {
+			for (s = argv[0] + 1; *s; s++)
 				switch (*s) {
 				case 'c':
 					prompt->status &= ~EXPORT;
@@ -788,8 +799,8 @@ extern int msh_main(int argc, char **argv)
 				case 'i':
 					interactive++;
 				default:
-					if (*s>='a' && *s<='z')
-						flag[(int)*s]++;
+					if (*s >= 'a' && *s <= 'z')
+						flag[(int) *s]++;
 				}
 		} else {
 			argv--;
@@ -810,8 +821,8 @@ extern int msh_main(int argc, char **argv)
 		if (isatty(0) && isatty(1) && !cflag) {
 			interactive++;
 #ifndef CONFIG_FEATURE_SH_EXTRA_QUIET
-			printf( "\n\n" BB_BANNER " Built-in shell (msh)\n");
-			printf( "Enter 'help' for a list of built-in commands.\n\n");
+			printf("\n\n" BB_BANNER " Built-in shell (msh)\n");
+			printf("Enter 'help' for a list of built-in commands.\n\n");
 #endif
 		}
 	}
@@ -833,7 +844,7 @@ extern int msh_main(int argc, char **argv)
 	if (dolc > 1) {
 		for (ap = ++argv; --argc > 0;) {
 			if (assign(*ap = *argv++, !COPYV)) {
-				dolc--;	/* keyword */
+				dolc--;			/* keyword */
 			} else {
 				ap++;
 			}
@@ -844,7 +855,7 @@ extern int msh_main(int argc, char **argv)
 	for (;;) {
 		if (interactive && e.iop <= iostack) {
 #ifdef CONFIG_FEATURE_COMMAND_EDITING
-			current_prompt=prompt->value;
+			current_prompt = prompt->value;
 #else
 			prs(prompt->value);
 #endif
@@ -855,23 +866,21 @@ extern int msh_main(int argc, char **argv)
 	}
 }
 
-static void
-setdash()
+static void setdash()
 {
 	register char *cp;
 	register int c;
-	char m['z'-'a'+1];
+	char m['z' - 'a' + 1];
 
 	cp = m;
-	for (c='a'; c<='z'; c++)
-		if (flag[(int)c])
+	for (c = 'a'; c <= 'z'; c++)
+		if (flag[(int) c])
 			*cp++ = c;
 	*cp = 0;
 	setval(lookup("-"), m);
 }
 
-static int
-newfile(s)
+static int newfile(s)
 register char *s;
 {
 	register int f;
@@ -881,16 +890,15 @@ register char *s;
 		if (f < 0) {
 			prs(s);
 			err(": cannot open");
-			return(1);
+			return (1);
 		}
 	} else
 		f = 0;
 	next(remap(f));
-	return(0);
+	return (0);
 }
 
-static void
-onecommand()
+static void onecommand()
 {
 	register int i;
 	jmp_buf m1;
@@ -910,7 +918,7 @@ onecommand()
 	inparse = 1;
 	intr = 0;
 	execflg = 0;
-	setjmp(failpt = m1);	/* Bruce Evans' fix */
+	setjmp(failpt = m1);		/* Bruce Evans' fix */
 	if (setjmp(failpt = m1) || yyparse() || intr) {
 		while (e.oenv)
 			quitenv();
@@ -937,15 +945,13 @@ onecommand()
 	}
 }
 
-static void
-fail()
+static void fail()
 {
 	longjmp(failpt, 1);
 	/* NOTREACHED */
 }
 
-static void
-leave()
+static void leave()
 {
 	if (execflg)
 		fail();
@@ -956,11 +962,10 @@ leave()
 	/* NOTREACHED */
 }
 
-static void
-warn(s)
+static void warn(s)
 register char *s;
 {
-	if(*s) {
+	if (*s) {
 		prs(s);
 		exstat = -1;
 	}
@@ -969,8 +974,7 @@ register char *s;
 		leave();
 }
 
-static void
-err(s)
+static void err(s)
 char *s;
 {
 	warn(s);
@@ -984,15 +988,14 @@ char *s;
 	e.iop = e.iobase = iostack;
 }
 
-static int
-newenv(f)
+static int newenv(f)
 int f;
 {
 	register struct env *ep;
 
 	if (f) {
 		quitenv();
-		return(1);
+		return (1);
 	}
 	ep = (struct env *) space(sizeof(*ep));
 	if (ep == NULL) {
@@ -1003,11 +1006,10 @@ int f;
 	*ep = e;
 	e.oenv = ep;
 	e.errpt = errpt;
-	return(0);
+	return (0);
 }
 
-static void
-quitenv()
+static void quitenv()
 {
 	register struct env *ep;
 	register int fd;
@@ -1025,55 +1027,50 @@ quitenv()
 /*
  * Is any character from s1 in s2?
  */
-static int
-anys(s1, s2)
+static int anys(s1, s2)
 register char *s1, *s2;
 {
 	while (*s1)
 		if (any(*s1++, s2))
-			return(1);
-	return(0);
+			return (1);
+	return (0);
 }
 
 /*
  * Is character c in s?
  */
-static int
-any(c, s)
+static int any(c, s)
 register int c;
 register char *s;
 {
 	while (*s)
 		if (*s++ == c)
-			return(1);
-	return(0);
+			return (1);
+	return (0);
 }
 
-static char *
-putn(n)
+static char *putn(n)
 register int n;
 {
-	return(itoa(n));
+	return (itoa(n));
 }
 
-static char *
-itoa(n)
+static char *itoa(n)
 register int n;
 {
 	static char s[20];
+
 	snprintf(s, sizeof(s), "%u", n);
-	return(s);
+	return (s);
 }
 
-static void
-next(int f)
+static void next(int f)
 {
 	PUSHIO(afile, f, filechar);
 }
 
-static void
-onintr(s)
-int s;				/* ANSI C requires a parameter */
+static void onintr(s)
+int s;							/* ANSI C requires a parameter */
 {
 	signal(SIGINT, onintr);
 	intr = 1;
@@ -1082,45 +1079,40 @@ int s;				/* ANSI C requires a parameter */
 			prs("\n");
 			fail();
 		}
-	}
-	else if (heedint) {
+	} else if (heedint) {
 		execflg = 0;
 		leave();
 	}
 }
 
-static char *
-space(n)
+static char *space(n)
 int n;
 {
 	register char *cp;
 
 	if ((cp = getcell(n)) == 0)
 		err("out of string space");
-	return(cp);
+	return (cp);
 }
 
-static char *
-strsave(s, a)
+static char *strsave(s, a)
 register char *s;
 int a;
 {
 	register char *cp, *xp;
 
-	if ((cp = space(strlen(s)+1)) != NULL) {
-		setarea((char *)cp, a);
-		for (xp = cp; (*xp++ = *s++) != '\0';)
-			;
-		return(cp);
+	if ((cp = space(strlen(s) + 1)) != NULL) {
+		setarea((char *) cp, a);
+		for (xp = cp; (*xp++ = *s++) != '\0';);
+		return (cp);
 	}
-	return("");
+	return ("");
 }
 
 /*
  * trap handling
  */
-static void
-sig(i)
+static void sig(i)
 register int i;
 {
 	trapset = i;
@@ -1147,8 +1139,7 @@ int i;
  * not previously there, enter it now and
  * return a null value.
  */
-static struct var *
-lookup(n)
+static struct var *lookup(n)
 register char *n;
 {
 	register struct var *vp;
@@ -1159,43 +1150,41 @@ register char *n;
 	if (isdigit(*n)) {
 		dummy.name = n;
 		for (c = 0; isdigit(*n) && c < 1000; n++)
-			c = c*10 + *n-'0';
+			c = c * 10 + *n - '0';
 		dummy.status = RONLY;
-		dummy.value = c <= dolc? dolv[c]: null;
-		return(&dummy);
+		dummy.value = c <= dolc ? dolv[c] : null;
+		return (&dummy);
 	}
 	for (vp = vlist; vp; vp = vp->next)
 		if (eqname(vp->name, n))
-			return(vp);
+			return (vp);
 	cp = findeq(n);
-	vp = (struct var *)space(sizeof(*vp));
-	if (vp == 0 || (vp->name = space((int)(cp-n)+2)) == 0) {
+	vp = (struct var *) space(sizeof(*vp));
+	if (vp == 0 || (vp->name = space((int) (cp - n) + 2)) == 0) {
 		dummy.name = dummy.value = "";
-		return(&dummy);
+		return (&dummy);
 	}
-	for (cp = vp->name; (*cp = *n++) && *cp != '='; cp++)
-		;
+	for (cp = vp->name; (*cp = *n++) && *cp != '='; cp++);
 	if (*cp == 0)
 		*cp = '=';
 	*++cp = 0;
-	setarea((char *)vp, 0);
-	setarea((char *)vp->name, 0);
+	setarea((char *) vp, 0);
+	setarea((char *) vp->name, 0);
 	vp->value = null;
 	vp->next = vlist;
 	vp->status = GETCELL;
 	vlist = vp;
-	return(vp);
+	return (vp);
 }
 
 /*
  * give variable at `vp' the value `val'.
  */
-static void
-setval(vp, val)
+static void setval(vp, val)
 struct var *vp;
 char *val;
 {
-	nameval(vp, val, (char *)NULL);
+	nameval(vp, val, (char *) NULL);
 }
 
 /*
@@ -1205,8 +1194,7 @@ char *val;
  * this is all so that exporting
  * values is reasonably painless.
  */
-static void
-nameval(vp, val, name)
+static void nameval(vp, val, name)
 register struct var *vp;
 char *val, *name;
 {
@@ -1222,58 +1210,52 @@ char *val, *name;
 	}
 	fl = 0;
 	if (name == NULL) {
-		xp = space(strlen(vp->name)+strlen(val)+2);
+		xp = space(strlen(vp->name) + strlen(val) + 2);
 		if (xp == 0)
 			return;
 		/* make string:  name=value */
-		setarea((char *)xp, 0);
+		setarea((char *) xp, 0);
 		name = xp;
-		for (cp = vp->name; (*xp = *cp++) && *xp!='='; xp++)
-			;
+		for (cp = vp->name; (*xp = *cp++) && *xp != '='; xp++);
 		if (*xp++ == 0)
 			xp[-1] = '=';
 		nv = xp;
-		for (cp = val; (*xp++ = *cp++) != '\0';)
-			;
+		for (cp = val; (*xp++ = *cp++) != '\0';);
 		val = nv;
 		fl = GETCELL;
 	}
 	if (vp->status & GETCELL)
-		freecell(vp->name);    /* form new string `name=value' */
+		freecell(vp->name);		/* form new string `name=value' */
 	vp->name = name;
 	vp->value = val;
 	vp->status |= fl;
 }
 
-static void
-export(vp)
+static void export(vp)
 struct var *vp;
 {
 	vp->status |= EXPORT;
 }
 
-static void
-ronly(vp)
+static void ronly(vp)
 struct var *vp;
 {
 	if (isalpha(vp->name[0]) || vp->name[0] == '_')	/* not an internal symbol */
 		vp->status |= RONLY;
 }
 
-static int
-isassign(s)
+static int isassign(s)
 register char *s;
 {
-	if (!isalpha((int)*s) && *s != '_')
-		return(0);
+	if (!isalpha((int) *s) && *s != '_')
+		return (0);
 	for (; *s != '='; s++)
 		if (*s == 0 || (!isalnum(*s) && *s != '_'))
-			return(0);
-	return(1);
+			return (0);
+	return (1);
 }
 
-static int
-assign(s, cf)
+static int assign(s, cf)
 register char *s;
 int cf;
 {
@@ -1281,31 +1263,29 @@ int cf;
 	struct var *vp;
 
 	if (!isalpha(*s) && *s != '_')
-		return(0);
+		return (0);
 	for (cp = s; *cp != '='; cp++)
 		if (*cp == 0 || (!isalnum(*cp) && *cp != '_'))
-			return(0);
+			return (0);
 	vp = lookup(s);
-	nameval(vp, ++cp, cf == COPYV? (char *)NULL: s);
+	nameval(vp, ++cp, cf == COPYV ? (char *) NULL : s);
 	if (cf != COPYV)
 		vp->status &= ~GETCELL;
-	return(1);
+	return (1);
 }
 
-static int
-checkname(cp)
+static int checkname(cp)
 register char *cp;
 {
-	if (!isalpha(*cp++) && *(cp-1) != '_')
-		return(0);
+	if (!isalpha(*cp++) && *(cp - 1) != '_')
+		return (0);
 	while (*cp)
-		if (!isalnum(*cp++) && *(cp-1) != '_')
-			return(0);
-	return(1);
+		if (!isalnum(*cp++) && *(cp - 1) != '_')
+			return (0);
+	return (1);
 }
 
-static void
-putvlist(f, out)
+static void putvlist(f, out)
 register int f, out;
 {
 	register struct var *vp;
@@ -1316,28 +1296,26 @@ register int f, out;
 				write(out, "export ", 7);
 			if (vp->status & RONLY)
 				write(out, "readonly ", 9);
-			write(out, vp->name, (int)(findeq(vp->name) - vp->name));
+			write(out, vp->name, (int) (findeq(vp->name) - vp->name));
 			write(out, "\n", 1);
 		}
 }
 
-static int
-eqname(n1, n2)
+static int eqname(n1, n2)
 register char *n1, *n2;
 {
 	for (; *n1 != '=' && *n1 != 0; n1++)
 		if (*n2++ != *n1)
-			return(0);
-	return(*n2 == 0 || *n2 == '=');
+			return (0);
+	return (*n2 == 0 || *n2 == '=');
 }
 
-static char *
-findeq(cp)
+static char *findeq(cp)
 register char *cp;
 {
 	while (*cp != '\0' && *cp != '=')
 		cp++;
-	return(cp);
+	return (cp);
 }
 
 /* -------- gmatch.c -------- */
@@ -1351,47 +1329,45 @@ register char *cp;
 #define	CMASK	0377
 #define	QUOTE	0200
 #define	QMASK	(CMASK&~QUOTE)
-#define	NOT	'!'	/* might use ^ */
+#define	NOT	'!'					/* might use ^ */
 
-static int
-gmatch(s, p)
+static int gmatch(s, p)
 register char *s, *p;
 {
 	register int sc, pc;
 
 	if (s == NULL || p == NULL)
-		return(0);
+		return (0);
 	while ((pc = *p++ & CMASK) != '\0') {
 		sc = *s++ & QMASK;
 		switch (pc) {
 		case '[':
 			if ((p = cclass(p, sc)) == NULL)
-				return(0);
+				return (0);
 			break;
 
 		case '?':
 			if (sc == 0)
-				return(0);
+				return (0);
 			break;
 
 		case '*':
 			s--;
 			do {
 				if (*p == '\0' || gmatch(s, p))
-					return(1);
+					return (1);
 			} while (*s++ != '\0');
-			return(0);
+			return (0);
 
 		default:
-			if (sc != (pc&~QUOTE))
-				return(0);
+			if (sc != (pc & ~QUOTE))
+				return (0);
 		}
 	}
-	return(*s == 0);
+	return (*s == 0);
 }
 
-static char *
-cclass(p, sub)
+static char *cclass(p, sub)
 register char *p;
 register int sub;
 {
@@ -1402,7 +1378,7 @@ register int sub;
 	found = not;
 	do {
 		if (*p == '\0')
-			return((char *)NULL);
+			return ((char *) NULL);
 		c = *p & CMASK;
 		if (p[1] == '-' && p[2] != ']') {
 			d = p[2] & CMASK;
@@ -1412,7 +1388,7 @@ register int sub;
 		if (c == sub || (c <= sub && sub <= d))
 			found = !not;
 	} while (*++p != ']');
-	return(found? p+1: (char *)NULL);
+	return (found ? p + 1 : (char *) NULL);
 }
 
 
@@ -1426,15 +1402,14 @@ register int sub;
 
 #define sbrk(X) ({ void * __q = (void *)-1; if (brkaddr + (int)(X) < brktop) { __q = brkaddr; brkaddr+=(int)(X); } __q;})
 
-static void
-initarea()
+static void initarea()
 {
 	brkaddr = malloc(65000);
 	brktop = brkaddr + 65000;
 
-	while ((int)sbrk(0) & ALIGN)
+	while ((int) sbrk(0) & ALIGN)
 		sbrk(1);
-	areabot = (struct region *)sbrk(REGSIZE);
+	areabot = (struct region *) sbrk(REGSIZE);
 
 	areabot->next = areabot;
 	areabot->area = BUSY;
@@ -1442,8 +1417,7 @@ initarea()
 	areanxt = areabot;
 }
 
-char *
-getcell(nbytes)
+char *getcell(nbytes)
 unsigned nbytes;
 {
 	register int nregio;
@@ -1453,11 +1427,12 @@ unsigned nbytes;
 	if (nbytes == 0) {
 		puts("getcell(0)");
 		abort();
-	}	/* silly and defeats the algorithm */
+	}
+	/* silly and defeats the algorithm */
 	/*
 	 * round upwards and add administration area
 	 */
-	nregio = (nbytes+(REGSIZE-1))/REGSIZE + 1;
+	nregio = (nbytes + (REGSIZE - 1)) / REGSIZE + 1;
 	for (p = areanxt;;) {
 		if (p->area > areanum) {
 			/*
@@ -1476,13 +1451,13 @@ unsigned nbytes;
 			break;
 	}
 	i = nregio >= GROWBY ? nregio : GROWBY;
-	p = (struct region *)sbrk(i * REGSIZE);
-	if (p == (struct region *)-1)
-		return((char *)NULL);
+	p = (struct region *) sbrk(i * REGSIZE);
+	if (p == (struct region *) -1)
+		return ((char *) NULL);
 	p--;
 	if (p != areatop) {
 		puts("not contig");
-		abort();	/* allocated areas are contiguous */
+		abort();				/* allocated areas are contiguous */
 	}
 	q = p + i;
 	p->next = q;
@@ -1490,7 +1465,7 @@ unsigned nbytes;
 	q->next = areabot;
 	q->area = BUSY;
 	areatop = q;
-found:
+  found:
 	/*
 	 * we found a FREE area big enough, pointed to by 'p', and up to 'q'
 	 */
@@ -1499,25 +1474,24 @@ found:
 		/*
 		 * split into requested area and rest
 		 */
-		if (areanxt+1 > q) {
+		if (areanxt + 1 > q) {
 			puts("OOM");
-			abort();	/* insufficient space left for admin */
+			abort();			/* insufficient space left for admin */
 		}
 		areanxt->next = q;
 		areanxt->area = FREE;
 		p->next = areanxt;
 	}
 	p->area = areanum;
-	return((char *)(p+1));
+	return ((char *) (p + 1));
 }
 
-static void
-freecell(cp)
+static void freecell(cp)
 char *cp;
 {
 	register struct region *p;
 
-	if ((p = (struct region *)cp) != NULL) {
+	if ((p = (struct region *) cp) != NULL) {
 		p--;
 		if (p < areanxt)
 			areanxt = p;
@@ -1525,8 +1499,7 @@ char *cp;
 	}
 }
 
-static void
-freearea(a)
+static void freearea(a)
 register int a;
 {
 	register struct region *p, *top;
@@ -1537,26 +1510,23 @@ register int a;
 			p->area = FREE;
 }
 
-static void
-setarea(cp,a)
+static void setarea(cp, a)
 char *cp;
 int a;
 {
 	register struct region *p;
 
-	if ((p = (struct region *)cp) != NULL)
-		(p-1)->area = a;
+	if ((p = (struct region *) cp) != NULL)
+		(p - 1)->area = a;
 }
 
-int
-getarea(cp)
+int getarea(cp)
 char *cp;
 {
-	return ((struct region*)cp-1)->area;
+	return ((struct region *) cp - 1)->area;
 }
 
-static void
-garbage()
+static void garbage()
 {
 	register struct region *p, *q, *top;
 
@@ -1570,7 +1540,7 @@ garbage()
 	}
 #ifdef SHRINKBY
 	if (areatop >= q + SHRINKBY && q->area > areanum) {
-		brk((char *)(q+1));
+		brk((char *) (q + 1));
 		q->next = areabot;
 		q->area = BUSY;
 		areatop = q;
@@ -1584,19 +1554,17 @@ garbage()
  */
 
 
-int
-yyparse()
+int yyparse()
 {
-	startl  = 1;
+	startl = 1;
 	peeksym = 0;
 	yynerrs = 0;
 	outtree = c_list();
 	musthave('\n', 0);
-	return(yynerrs!=0);
+	return (yynerrs != 0);
 }
 
-static struct op *
-pipeline(cf)
+static struct op *pipeline(cf)
 int cf;
 {
 	register struct op *t, *p;
@@ -1615,11 +1583,10 @@ int cf;
 		}
 		peeksym = c;
 	}
-	return(t);
+	return (t);
 }
 
-static struct op *
-andor()
+static struct op *andor()
 {
 	register struct op *t, *p;
 	register int c;
@@ -1629,38 +1596,37 @@ andor()
 		while ((c = yylex(0)) == LOGAND || c == LOGOR) {
 			if ((p = pipeline(CONTIN)) == NULL)
 				SYNTAXERR;
-			t = block(c == LOGAND? TAND: TOR, t, p, NOWORDS);
+			t = block(c == LOGAND ? TAND : TOR, t, p, NOWORDS);
 		}
 		peeksym = c;
 	}
-	return(t);
+	return (t);
 }
 
-static struct op *
-c_list()
+static struct op *c_list()
 {
 	register struct op *t, *p;
 	register int c;
 
 	t = andor();
 	if (t != NULL) {
-		if((peeksym = yylex(0)) == '&')
+		if ((peeksym = yylex(0)) == '&')
 			t = block(TASYNC, t, NOBLOCK, NOWORDS);
-		while ((c = yylex(0)) == ';' || c == '&' || (multiline && c == '\n')) {
+		while ((c = yylex(0)) == ';' || c == '&'
+			   || (multiline && c == '\n')) {
 			if ((p = andor()) == NULL)
-				return(t);
-			if((peeksym = yylex(0)) == '&')
+				return (t);
+			if ((peeksym = yylex(0)) == '&')
 				p = block(TASYNC, p, NOBLOCK, NOWORDS);
 			t = list(t, p);
 		}
 		peeksym = c;
 	}
-	return(t);
+	return (t);
 }
 
 
-static int
-synio(cf)
+static int synio(cf)
 int cf;
 {
 	register struct ioword *iop;
@@ -1669,7 +1635,7 @@ int cf;
 
 	if ((c = yylex(cf)) != '<' && c != '>') {
 		peeksym = c;
-		return(0);
+		return (0);
 	}
 	i = yylval.i;
 	musthave(WORD, 0);
@@ -1677,11 +1643,10 @@ int cf;
 	iounit = IODEFAULT;
 	if (i & IOHERE)
 		markhere(yylval.cp, iop);
-	return(1);
+	return (1);
 }
 
-static void
-musthave(c, cf)
+static void musthave(c, cf)
 int c, cf;
 {
 	if ((peeksym = yylex(cf)) != c)
@@ -1689,8 +1654,7 @@ int c, cf;
 	peeksym = 0;
 }
 
-static struct op *
-simple()
+static struct op *simple()
 {
 	register struct op *t;
 
@@ -1712,13 +1676,12 @@ simple()
 			break;
 
 		default:
-			return(t);
+			return (t);
 		}
 	}
 }
 
-static struct op *
-nested(type, mark)
+static struct op *nested(type, mark)
 int type, mark;
 {
 	register struct op *t;
@@ -1727,11 +1690,10 @@ int type, mark;
 	t = c_list();
 	musthave(mark, 0);
 	multiline--;
-	return(block(type, t, NOBLOCK, NOWORDS));
+	return (block(type, t, NOBLOCK, NOWORDS));
 }
 
-static struct op *
-command(cf)
+static struct op *command(cf)
 int cf;
 {
 	register struct op *t;
@@ -1749,7 +1711,7 @@ int cf;
 		peeksym = c;
 		if ((t = simple()) == NULL) {
 			if (iolist == NULL)
-				return((struct op *)NULL);
+				return ((struct op *) NULL);
 			t = newtp();
 			t->type = TCOM;
 		}
@@ -1781,7 +1743,7 @@ int cf;
 	case UNTIL:
 		multiline++;
 		t = newtp();
-		t->type = c == WHILE? TWHILE: TUNTIL;
+		t->type = c == WHILE ? TWHILE : TUNTIL;
 		t->left = c_list();
 		t->right = dogroup(1);
 		t->words = NULL;
@@ -1812,15 +1774,13 @@ int cf;
 		multiline--;
 		break;
 	}
-	while (synio(0))
-		;
+	while (synio(0));
 	t = namelist(t);
 	iolist = iosave;
-	return(t);
+	return (t);
 }
 
-static struct op *
-dogroup(onlydone)
+static struct op *dogroup(onlydone)
 int onlydone;
 {
 	register int c;
@@ -1828,23 +1788,22 @@ int onlydone;
 
 	c = yylex(CONTIN);
 	if (c == DONE && onlydone)
-		return((struct op *)NULL);
+		return ((struct op *) NULL);
 	if (c != DO)
 		SYNTAXERR;
 	mylist = c_list();
 	musthave(DONE, 0);
-	return(mylist);
+	return (mylist);
 }
 
-static struct op *
-thenpart()
+static struct op *thenpart()
 {
 	register int c;
 	register struct op *t;
 
 	if ((c = yylex(0)) != THEN) {
 		peeksym = c;
-		return((struct op *)NULL);
+		return ((struct op *) NULL);
 	}
 	t = newtp();
 	t->type = 0;
@@ -1852,11 +1811,10 @@ thenpart()
 	if (t->left == NULL)
 		SYNTAXERR;
 	t->right = elsepart();
-	return(t);
+	return (t);
 }
 
-static struct op *
-elsepart()
+static struct op *elsepart()
 {
 	register int c;
 	register struct op *t;
@@ -1865,34 +1823,32 @@ elsepart()
 	case ELSE:
 		if ((t = c_list()) == NULL)
 			SYNTAXERR;
-		return(t);
+		return (t);
 
 	case ELIF:
 		t = newtp();
 		t->type = TELIF;
 		t->left = c_list();
 		t->right = thenpart();
-		return(t);
+		return (t);
 
 	default:
 		peeksym = c;
-		return((struct op *)NULL);
+		return ((struct op *) NULL);
 	}
 }
 
-static struct op *
-caselist()
+static struct op *caselist()
 {
 	register struct op *t;
 
 	t = NULL;
 	while ((peeksym = yylex(CONTIN)) != ESAC)
 		t = list(t, casepart());
-	return(t);
+	return (t);
 }
 
-static struct op *
-casepart()
+static struct op *casepart()
 {
 	register struct op *t;
 
@@ -1903,11 +1859,10 @@ casepart()
 	t->left = c_list();
 	if ((peeksym = yylex(CONTIN)) != ESAC)
 		musthave(BREAK, CONTIN);
-	return(t);
+	return (t);
 }
 
-static char **
-pattern()
+static char **pattern()
 {
 	register int c, cf;
 
@@ -1919,42 +1874,39 @@ pattern()
 	} while ((c = yylex(0)) == '|');
 	peeksym = c;
 	word(NOWORD);
-	return(copyw());
+	return (copyw());
 }
 
-static char **
-wordlist()
+static char **wordlist()
 {
 	register int c;
 
 	if ((c = yylex(0)) != IN) {
 		peeksym = c;
-		return((char **)NULL);
+		return ((char **) NULL);
 	}
 	startl = 0;
 	while ((c = yylex(0)) == WORD)
 		word(yylval.cp);
 	word(NOWORD);
 	peeksym = c;
-	return(copyw());
+	return (copyw());
 }
 
 /*
  * supporting functions
  */
-static struct op *
-list(t1, t2)
+static struct op *list(t1, t2)
 register struct op *t1, *t2;
 {
 	if (t1 == NULL)
-		return(t2);
+		return (t2);
 	if (t2 == NULL)
-		return(t1);
-	return(block(TLIST, t1, t2, NOWORDS));
+		return (t1);
+	return (block(TLIST, t1, t2, NOWORDS));
 }
 
-static struct op *
-block(type, t1, t2, wp)
+static struct op *block(type, t1, t2, wp)
 int type;
 struct op *t1, *t2;
 char **wp;
@@ -1966,42 +1918,39 @@ char **wp;
 	t->left = t1;
 	t->right = t2;
 	t->words = wp;
-	return(t);
+	return (t);
 }
 
-static int
-rlookup(n)
+static int rlookup(n)
 register char *n;
 {
 	register struct res *rp;
 
 	for (rp = restab; rp->r_name; rp++)
 		if (strcmp(rp->r_name, n) == 0)
-			return(rp->r_val);
-	return(0);
+			return (rp->r_val);
+	return (0);
 }
 
-static struct op *
-newtp()
+static struct op *newtp()
 {
 	register struct op *t;
 
-	t = (struct op *)tree(sizeof(*t));
+	t = (struct op *) tree(sizeof(*t));
 	t->type = 0;
 	t->words = NULL;
 	t->ioact = NULL;
 	t->left = NULL;
 	t->right = NULL;
 	t->str = NULL;
-	return(t);
+	return (t);
 }
 
-static struct op *
-namelist(t)
+static struct op *namelist(t)
 register struct op *t;
 {
 	if (iolist) {
-		iolist = addword((char *)NULL, iolist);
+		iolist = addword((char *) NULL, iolist);
 		t->ioact = copyio();
 	} else
 		t->ioact = NULL;
@@ -2011,42 +1960,38 @@ register struct op *t;
 			t->ioact = t->left->ioact;
 			t->left->ioact = NULL;
 		}
-		return(t);
+		return (t);
 	}
 	word(NOWORD);
 	t->words = copyw();
-	return(t);
+	return (t);
 }
 
-static char **
-copyw()
+static char **copyw()
 {
 	register char **wd;
 
 	wd = getwords(wdlist);
 	wdlist = 0;
-	return(wd);
+	return (wd);
 }
 
-static void
-word(cp)
+static void word(cp)
 char *cp;
 {
 	wdlist = addword(cp, wdlist);
 }
 
-static struct ioword **
-copyio()
+static struct ioword **copyio()
 {
 	register struct ioword **iop;
 
 	iop = (struct ioword **) getwords(iolist);
 	iolist = 0;
-	return(iop);
+	return (iop);
 }
 
-static struct ioword *
-io(u, f, cp)
+static struct ioword *io(u, f, cp)
 int u;
 int f;
 char *cp;
@@ -2057,32 +2002,28 @@ char *cp;
 	iop->io_unit = u;
 	iop->io_flag = f;
 	iop->io_name = cp;
-	iolist = addword((char *)iop, iolist);
-	return(iop);
+	iolist = addword((char *) iop, iolist);
+	return (iop);
 }
 
-static void
-zzerr()
+static void zzerr()
 {
 	yyerror("syntax error");
 }
 
-static void
-yyerror(s)
+static void yyerror(s)
 char *s;
 {
 	yynerrs++;
 	if (interactive && e.iop <= iostack) {
 		multiline = 0;
-		while (eofc() == 0 && yylex(0) != '\n')
-			;
+		while (eofc() == 0 && yylex(0) != '\n');
 	}
 	err(s);
 	fail();
 }
 
-static int
-yylex(cf)
+static int yylex(cf)
 int cf;
 {
 	register int c, c1;
@@ -2092,7 +2033,7 @@ int cf;
 		peeksym = 0;
 		if (c == '\n')
 			startl = 1;
-		return(c);
+		return (c);
 	}
 	nlseen = 0;
 	e.linep = line;
@@ -2100,9 +2041,8 @@ int cf;
 	startl = 0;
 	yylval.i = 0;
 
-loop:
-	while ((c = my_getc(0)) == ' ' || c == '\t')
-		;
+  loop:
+	while ((c = my_getc(0)) == ' ' || c == '\t');
 	switch (c) {
 	default:
 		if (any(c, "0123456789")) {
@@ -2117,19 +2057,18 @@ loop:
 		break;
 
 	case '#':
-		while ((c = my_getc(0)) != 0 && c != '\n')
-			;
+		while ((c = my_getc(0)) != 0 && c != '\n');
 		unget(c);
 		goto loop;
 
 	case 0:
-		return(c);
+		return (c);
 
 	case '$':
 		*e.linep++ = c;
 		if ((c = my_getc(0)) == '{') {
 			if ((c = collect(c, '}')) != '\0')
-				return(c);
+				return (c);
 			goto pack;
 		}
 		break;
@@ -2138,7 +2077,7 @@ loop:
 	case '\'':
 	case '"':
 		if ((c = collect(c, c)) != '\0')
-			return(c);
+			return (c);
 		goto pack;
 
 	case '|':
@@ -2146,17 +2085,17 @@ loop:
 	case ';':
 		if ((c1 = dual(c)) != '\0') {
 			startl = 1;
-			return(c1);
+			return (c1);
 		}
 		startl = 1;
-		return(c);
+		return (c);
 	case '^':
 		startl = 1;
-		return('|');
+		return ('|');
 	case '>':
 	case '<':
 		diag(c);
-		return(c);
+		return (c);
 
 	case '\n':
 		nlseen++;
@@ -2165,44 +2104,43 @@ loop:
 		if (multiline || cf & CONTIN) {
 			if (interactive && e.iop <= iostack) {
 #ifdef CONFIG_FEATURE_COMMAND_EDITING
-			current_prompt=cprompt->value;
+				current_prompt = cprompt->value;
 #else
-			prs(cprompt->value);
+				prs(cprompt->value);
 #endif
 			}
 			if (cf & CONTIN)
 				goto loop;
 		}
-		return(c);
+		return (c);
 
 	case '(':
 	case ')':
 		startl = 1;
-		return(c);
+		return (c);
 	}
 
 	unget(c);
 
-pack:
+  pack:
 	while ((c = my_getc(0)) != 0 && !any(c, "`$ '\"\t;&<>()|^\n"))
 		if (e.linep >= elinep)
 			err("word too long");
 		else
 			*e.linep++ = c;
 	unget(c);
-	if(any(c, "\"'`$"))
+	if (any(c, "\"'`$"))
 		goto loop;
 	*e.linep++ = '\0';
-	if (atstart && (c = rlookup(line))!=0) {
+	if (atstart && (c = rlookup(line)) != 0) {
 		startl = 1;
-		return(c);
+		return (c);
 	}
 	yylval.cp = strsave(line, areanum);
-	return(WORD);
+	return (WORD);
 }
 
-static int
-collect(c, c1)
+static int collect(c, c1)
 register int c, c1;
 {
 	char s[2];
@@ -2213,24 +2151,24 @@ register int c, c1;
 			unget(c);
 			s[0] = c1;
 			s[1] = 0;
-			prs("no closing "); yyerror(s);
-			return(YYERRCODE);
+			prs("no closing ");
+			yyerror(s);
+			return (YYERRCODE);
 		}
 		if (interactive && c == '\n' && e.iop <= iostack) {
 #ifdef CONFIG_FEATURE_COMMAND_EDITING
-		    current_prompt=cprompt->value;
+			current_prompt = cprompt->value;
 #else
-		    prs(cprompt->value);
+			prs(cprompt->value);
 #endif
 		}
 		*e.linep++ = c;
 	}
 	*e.linep++ = c;
-	return(0);
+	return (0);
 }
 
-static int
-dual(c)
+static int dual(c)
 register int c;
 {
 	char s[3];
@@ -2241,11 +2179,10 @@ register int c;
 	*cp = 0;
 	if ((c = rlookup(s)) == 0)
 		unget(*--cp);
-	return(c);
+	return (c);
 }
 
-static void
-diag(ec)
+static void diag(ec)
 register int ec;
 {
 	register int c;
@@ -2254,18 +2191,17 @@ register int ec;
 	if (c == '>' || c == '<') {
 		if (c != ec)
 			zzerr();
-		yylval.i = ec == '>'? IOWRITE|IOCAT: IOHERE;
+		yylval.i = ec == '>' ? IOWRITE | IOCAT : IOHERE;
 		c = my_getc(0);
 	} else
-		yylval.i = ec == '>'? IOWRITE: IOREAD;
+		yylval.i = ec == '>' ? IOWRITE : IOREAD;
 	if (c != '&' || yylval.i == IOHERE)
 		unget(c);
 	else
 		yylval.i |= IODUP;
 }
 
-static char *
-tree(size)
+static char *tree(size)
 unsigned size;
 {
 	register char *t;
@@ -2275,7 +2211,7 @@ unsigned size;
 		fail();
 		/* NOTREACHED */
 	}
-	return(t);
+	return (t);
 }
 
 /* VARARGS1 */
@@ -2288,8 +2224,7 @@ unsigned size;
  */
 
 
-static int
-execute(t, pin, pout, act)
+static int execute(t, pin, pout, act)
 register struct op *t;
 int *pin, *pout;
 int act;
@@ -2307,14 +2242,14 @@ int act;
 
 
 	if (t == NULL)
-		return(0);
+		return (0);
 	rv = 0;
 	a = areanum++;
 	wp = (wp2 = t->words) != NULL
-	     ? eval(wp2, t->type == TCOM ? DOALL : DOALL & ~DOKEY)
-	     : NULL;
+		? eval(wp2, t->type == TCOM ? DOALL : DOALL & ~DOKEY)
+		: NULL;
 
-	switch(t->type) {
+	switch (t->type) {
 	case TPAREN:
 		rv = execute(t->left, pin, pout, 0);
 		break;
@@ -2322,6 +2257,7 @@ int act;
 	case TCOM:
 		{
 			int child;
+
 			rv = forkexec(t, pin, pout, act, wp, &child);
 			if (child) {
 				exstat = rv;
@@ -2332,13 +2268,14 @@ int act;
 
 	case TPIPE:
 		{
-		    int pv[2];
-		    if ((rv = openpipe(pv)) < 0)
-			break;
-		    pv[0] = remap(pv[0]);
-		    pv[1] = remap(pv[1]);
-		    (void) execute(t->left, pin, pv, 0);
-		    rv = execute(t->right, pv, pout, 0);
+			int pv[2];
+
+			if ((rv = openpipe(pv)) < 0)
+				break;
+			pv[0] = remap(pv[0]);
+			pv[1] = remap(pv[1]);
+			(void) execute(t->left, pin, pv, 0);
+			rv = execute(t->right, pv, pout, 0);
 		}
 		break;
 
@@ -2348,54 +2285,53 @@ int act;
 		break;
 
 	case TASYNC:
-	{
-		int hinteractive = interactive;
-
-		i = vfork();
-		if (i != 0) {
-			interactive = hinteractive;
-			if (i != -1) {
-				setval(lookup("!"), putn(i));
-				if (pin != NULL)
-					closepipe(pin);
-				if (interactive) {
-					prs(putn(i));
-					prs("\n");
+		{
+			int hinteractive = interactive;
+
+			i = vfork();
+			if (i != 0) {
+				interactive = hinteractive;
+				if (i != -1) {
+					setval(lookup("!"), putn(i));
+					if (pin != NULL)
+						closepipe(pin);
+					if (interactive) {
+						prs(putn(i));
+						prs("\n");
+					}
+				} else
+					rv = -1;
+				setstatus(rv);
+			} else {
+				signal(SIGINT, SIG_IGN);
+				signal(SIGQUIT, SIG_IGN);
+				if (interactive)
+					signal(SIGTERM, SIG_DFL);
+				interactive = 0;
+				if (pin == NULL) {
+					close(0);
+					open("/dev/null", 0);
 				}
-			} else
-				rv = -1;
-			setstatus(rv);
-		} else {
-			signal(SIGINT, SIG_IGN);
-			signal(SIGQUIT, SIG_IGN);
-			if (interactive)
-				signal(SIGTERM, SIG_DFL);
-			interactive = 0;
-			if (pin == NULL) {
-				close(0);
-				open("/dev/null", 0);
+				exit(execute(t->left, pin, pout, FEXEC));
 			}
-			exit(execute(t->left, pin, pout, FEXEC));
 		}
-	}
 		break;
 
 	case TOR:
 	case TAND:
 		rv = execute(t->left, pin, pout, 0);
-		if ((t1 = t->right)!=NULL && (rv == 0) == (t->type == TAND))
+		if ((t1 = t->right) != NULL && (rv == 0) == (t->type == TAND))
 			rv = execute(t1, pin, pout, 0);
 		break;
 
 	case TFOR:
 		if (wp == NULL) {
-			wp = dolv+1;
+			wp = dolv + 1;
 			if ((i = dolc) < 0)
 				i = 0;
 		} else {
 			i = -1;
-			while (*wp++ != NULL)
-				;
+			while (*wp++ != NULL);
 		}
 		vp = lookup(t->str);
 		while (setjmp(bc.brkpt))
@@ -2423,15 +2359,15 @@ int act;
 
 	case TIF:
 	case TELIF:
-	 	if (t->right != NULL) {
-		rv = !execute(t->left, pin, pout, 0) ?
-			execute(t->right->left, pin, pout, 0):
-			execute(t->right->right, pin, pout, 0);
+		if (t->right != NULL) {
+			rv = !execute(t->left, pin, pout, 0) ?
+				execute(t->right->left, pin, pout, 0) :
+				execute(t->right->right, pin, pout, 0);
 		}
 		break;
 
 	case TCASE:
-		if ((cp = evalstr(t->str, DOSUB|DOTRIM)) == 0)
+		if ((cp = evalstr(t->str, DOSUB | DOTRIM)) == 0)
 			cp = "";
 		if ((t1 = findcase(t->left, cp)) != NULL)
 			rv = execute(t1, pin, pout, 0);
@@ -2451,7 +2387,7 @@ int act;
 		break;
 	}
 
-broken:
+  broken:
 	t->words = wp2;
 	isbreak = 0;
 	freehere(areanum);
@@ -2465,14 +2401,15 @@ broken:
 		trapset = 0;
 		runtrap(i);
 	}
-	return(rv);
+	return (rv);
 }
 
 static int
-forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *pforked)
+forkexec(register struct op *t, int *pin, int *pout, int act, char **wp,
+		 int *pforked)
 {
 	int i, rv;
-	int (*shcom)(struct op *) = NULL;
+	int (*shcom) (struct op *) = NULL;
 	register int f;
 	char *cp = NULL;
 	struct ioword **iopp;
@@ -2485,7 +2422,7 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
 	char *hwp;
 	int hinteractive;
 	int hintr;
-	struct brkcon * hbrklist;
+	struct brkcon *hbrklist;
 	int hexecflg;
 
 #if __GNUC__
@@ -2502,22 +2439,19 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
 	owp = wp;
 	resetsig = 0;
 	*pforked = 0;
-	rv = -1;	/* system-detected error */
+	rv = -1;					/* system-detected error */
 	if (t->type == TCOM) {
-		while ((cp = *wp++) != NULL)
-			;
+		while ((cp = *wp++) != NULL);
 		cp = *wp;
 
 		/* strip all initial assignments */
 		/* not correct wrt PATH=yyy command  etc */
 		if (flag['x'])
-			echo (cp ? wp: owp);
+			echo(cp ? wp : owp);
 		if (cp == NULL && t->ioact == NULL) {
-			while ((cp = *owp++) != NULL && assign(cp, COPYV))
-				;
-			return(setstatus(0));
-		}
-		else if (cp != NULL)
+			while ((cp = *owp++) != NULL && assign(cp, COPYV));
+			return (setstatus(0));
+		} else if (cp != NULL)
 			shcom = inbuilt(cp);
 	}
 	t->words = wp;
@@ -2535,7 +2469,7 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
 
 		i = vfork();
 		if (i != 0) {
-                	/* who wrote this crappy non vfork safe shit? */
+			/* who wrote this crappy non vfork safe shit? */
 			pin = hpin;
 			pout = hpout;
 			*pforked = hforked;
@@ -2547,10 +2481,10 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
 
 			*pforked = 0;
 			if (i == -1)
-				return(rv);
+				return (rv);
 			if (pin != NULL)
 				closepipe(pin);
-			return(pout==NULL? setstatus(waitfor(i,0)): 0);
+			return (pout == NULL ? setstatus(waitfor(i, 0)) : 0);
 		}
 
 		if (interactive) {
@@ -2571,7 +2505,7 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
 #ifdef COMPIPE
 	if ((pin != NULL || pout != NULL) && shcom != NULL && shcom != doexec) {
 		err("piping to/from shell builtins not yet done");
-		return(-1);
+		return (-1);
 	}
 #endif
 	if (pin != NULL) {
@@ -2586,16 +2520,16 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
 		if (shcom != NULL && shcom != doexec) {
 			prs(cp);
 			err(": cannot redirect shell command");
-			return(-1);
+			return (-1);
 		}
 		while (*iopp)
-			if (iosetup(*iopp++, pin!=NULL, pout!=NULL))
-				return(rv);
+			if (iosetup(*iopp++, pin != NULL, pout != NULL))
+				return (rv);
 	}
 	if (shcom)
-		return(setstatus((*shcom)(t)));
+		return (setstatus((*shcom) (t)));
 	/* should use FIOCEXCL */
-	for (i=FDBASE; i<NOFILE; i++)
+	for (i = FDBASE; i < NOFILE; i++)
 		close(i);
 	if (resetsig) {
 		signal(SIGINT, SIG_DFL);
@@ -2607,7 +2541,9 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
 		exit(0);
 
 	cp = rexecve(wp[0], wp, makenv());
-	prs(wp[0]); prs(": "); warn(cp);
+	prs(wp[0]);
+	prs(": ");
+	warn(cp);
 	if (!execflg)
 		trap[0] = NULL;
 	leave();
@@ -2619,35 +2555,34 @@ forkexec( register struct op *t, int *pin, int *pout, int act, char **wp, int *p
  * 0< 1> are ignored as required
  * within pipelines.
  */
-static int
-iosetup(iop, pipein, pipeout)
+static int iosetup(iop, pipein, pipeout)
 register struct ioword *iop;
 int pipein, pipeout;
 {
 	register int u = -1;
-	char *cp=NULL, *msg;
+	char *cp = NULL, *msg;
 
 	if (iop->io_unit == IODEFAULT)	/* take default */
-		iop->io_unit = iop->io_flag&(IOREAD|IOHERE)? 0: 1;
+		iop->io_unit = iop->io_flag & (IOREAD | IOHERE) ? 0 : 1;
 	if (pipein && iop->io_unit == 0)
-		return(0);
+		return (0);
 	if (pipeout && iop->io_unit == 1)
-		return(0);
-	msg = iop->io_flag&(IOREAD|IOHERE)? "open": "create";
+		return (0);
+	msg = iop->io_flag & (IOREAD | IOHERE) ? "open" : "create";
 	if ((iop->io_flag & IOHERE) == 0) {
 		cp = iop->io_name;
-		if ((cp = evalstr(cp, DOSUB|DOTRIM)) == NULL)
-			return(1);
+		if ((cp = evalstr(cp, DOSUB | DOTRIM)) == NULL)
+			return (1);
 	}
 	if (iop->io_flag & IODUP) {
 		if (cp[1] || (!isdigit(*cp) && *cp != '-')) {
 			prs(cp);
 			err(": illegal >& argument");
-			return(1);
+			return (1);
 		}
 		if (*cp == '-')
 			iop->io_flag = IOCLOSE;
-		iop->io_flag &= ~(IOREAD|IOWRITE);
+		iop->io_flag &= ~(IOREAD | IOWRITE);
 	}
 	switch (iop->io_flag) {
 	case IOREAD:
@@ -2655,14 +2590,14 @@ int pipein, pipeout;
 		break;
 
 	case IOHERE:
-	case IOHERE|IOXHERE:
-		u = herein(iop->io_name, iop->io_flag&IOXHERE);
+	case IOHERE | IOXHERE:
+		u = herein(iop->io_name, iop->io_flag & IOXHERE);
 		cp = "here file";
 		break;
 
-	case IOWRITE|IOCAT:
+	case IOWRITE | IOCAT:
 		if ((u = open(cp, 1)) >= 0) {
-			lseek(u, (long)0, 2);
+			lseek(u, (long) 0, 2);
 			break;
 		}
 	case IOWRITE:
@@ -2670,35 +2605,34 @@ int pipein, pipeout;
 		break;
 
 	case IODUP:
-		u = dup2(*cp-'0', iop->io_unit);
+		u = dup2(*cp - '0', iop->io_unit);
 		break;
 
 	case IOCLOSE:
 		close(iop->io_unit);
-		return(0);
+		return (0);
 	}
 	if (u < 0) {
 		prs(cp);
 		prs(": cannot ");
 		warn(msg);
-		return(1);
+		return (1);
 	} else {
 		if (u != iop->io_unit) {
 			dup2(u, iop->io_unit);
 			close(u);
 		}
 	}
-	return(0);
+	return (0);
 }
 
-static void
-echo(wp)
+static void echo(wp)
 register char **wp;
 {
 	register int i;
 
 	prs("+");
-	for (i=0; wp[i]; i++) {
+	for (i = 0; wp[i]; i++) {
 		if (i)
 			prs(" ");
 		prs(wp[i]);
@@ -2706,8 +2640,7 @@ register char **wp;
 	prs("\n");
 }
 
-static struct op **
-find1case(t, w)
+static struct op **find1case(t, w)
 struct op *t;
 char *w;
 {
@@ -2716,34 +2649,32 @@ char *w;
 	register char **wp, *cp;
 
 	if (t == NULL)
-		return((struct op **)NULL);
+		return ((struct op **) NULL);
 	if (t->type == TLIST) {
 		if ((tp = find1case(t->left, w)) != NULL)
-			return(tp);
-		t1 = t->right;	/* TPAT */
+			return (tp);
+		t1 = t->right;			/* TPAT */
 	} else
 		t1 = t;
 	for (wp = t1->words; *wp;)
 		if ((cp = evalstr(*wp++, DOSUB)) && gmatch(w, cp))
-			return(&t1->left);
-	return((struct op **)NULL);
+			return (&t1->left);
+	return ((struct op **) NULL);
 }
 
-static struct op *
-findcase(t, w)
+static struct op *findcase(t, w)
 struct op *t;
 char *w;
 {
 	register struct op **tp;
 
-	return((tp = find1case(t, w)) != NULL? *tp: (struct op *)NULL);
+	return ((tp = find1case(t, w)) != NULL ? *tp : (struct op *) NULL);
 }
 
 /*
  * Enter a new loop level (marked for break/continue).
  */
-static void
-brkset(bc)
+static void brkset(bc)
 struct brkcon *bc;
 {
 	bc->nextlev = brklist;
@@ -2757,8 +2688,7 @@ struct brkcon *bc;
  * Ignore interrupt signals while waiting
  * unless `canintr' is true.
  */
-static int
-waitfor(lastpid, canintr)
+static int waitfor(lastpid, canintr)
 register int lastpid;
 int canintr;
 {
@@ -2788,7 +2718,9 @@ int canintr;
 						prn(pid);
 						prs(": ");
 					}
-					prs("Signal "); prn(rv); prs(" ");
+					prs("Signal ");
+					prn(rv);
+					prs(" ");
 				}
 				if (WAITCORE(s))
 					prs(" - core dumped");
@@ -2805,20 +2737,20 @@ int canintr;
 			if (canintr)
 				intr = 0;
 		} else {
-			if (exstat == 0) exstat = rv;
+			if (exstat == 0)
+				exstat = rv;
 			onintr(0);
 		}
 	}
-	return(rv);
+	return (rv);
 }
 
-static int
-setstatus(s)
+static int setstatus(s)
 register int s;
 {
 	exstat = s;
 	setval(lookup("?"), putn(s));
-	return(s);
+	return (s);
 }
 
 /*
@@ -2826,8 +2758,7 @@ register int s;
  * If getenv("PATH") were kept up-to-date,
  * execvp might be used.
  */
-static char *
-rexecve(c, v, envp)
+static char *rexecve(c, v, envp)
 char *c, **v, **envp;
 {
 	register int i;
@@ -2836,6 +2767,7 @@ char *c, **v, **envp;
 
 #ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
 	char *name = c;
+
 	optind = 1;
 	if (find_applet_by_name(name)) {
 		/* We have to exec here since we vforked.  Running
@@ -2846,7 +2778,7 @@ char *c, **v, **envp;
 	}
 #endif
 
-	sp = any('/', c)? "": path->value;
+	sp = any('/', c) ? "" : path->value;
 	asis = *sp == '\0';
 	while (asis || *sp != '\0') {
 		asis = 0;
@@ -2858,8 +2790,7 @@ char *c, **v, **envp;
 			}
 		if (tp != e.linep)
 			*tp++ = '/';
-		for (i = 0; (*tp++ = c[i++]) != '\0';)
-			;
+		for (i = 0; (*tp++ = c[i++]) != '\0';);
 
 		execve(e.linep, v, envp);
 		switch (errno) {
@@ -2869,28 +2800,27 @@ char *c, **v, **envp;
 			*v = e.linep;
 			execve(DEFAULT_SHELL, v, envp);
 			*v = tp;
-			return("no Shell");
+			return ("no Shell");
 
 		case ENOMEM:
-			return((char*)bb_msg_memory_exhausted);
+			return ((char *) bb_msg_memory_exhausted);
 
 		case E2BIG:
-			return("argument list too long");
+			return ("argument list too long");
 
 		case EACCES:
 			eacces++;
 			break;
 		}
 	}
-	return(errno==ENOENT ? "not found" : "cannot execute");
+	return (errno == ENOENT ? "not found" : "cannot execute");
 }
 
 /*
  * Run the command produced by generator `f'
  * applied to stream `arg'.
  */
-static int
-run(struct ioarg *argp, int (*f)(struct ioarg *))
+static int run(struct ioarg *argp, int (*f) (struct ioarg *))
 {
 	struct op *otree;
 	struct wdblock *swdlist;
@@ -2925,7 +2855,7 @@ run(struct ioarg *argp, int (*f)(struct ioarg *))
 	failpt = ofail;
 	outtree = otree;
 	freearea(areanum--);
-	return(rv);
+	return (rv);
 }
 
 /* -------- do.c -------- */
@@ -2934,7 +2864,7 @@ run(struct ioarg *argp, int (*f)(struct ioarg *))
  * built-in commands: doX
  */
 
-static int dohelp(struct op *t )
+static int dohelp(struct op *t)
 {
 	int col;
 	const struct builtincmd *x;
@@ -2942,7 +2872,7 @@ static int dohelp(struct op *t )
 	printf("\nBuilt-in commands:\n");
 	printf("-------------------\n");
 
-	for (col=0, x = builtincmds; x->builtinfunc != NULL; x++) {
+	for (col = 0, x = builtincmds; x->builtinfunc != NULL; x++) {
 		if (!x->name)
 			continue;
 		col += printf("%s%s", ((col == 0) ? "\t" : " "), x->name);
@@ -2958,12 +2888,11 @@ static int dohelp(struct op *t )
 		extern const struct BB_applet applets[];
 		extern const size_t NUM_APPLETS;
 
-		for (i=0, applet = applets; i < NUM_APPLETS; applet++, i++) {
+		for (i = 0, applet = applets; i < NUM_APPLETS; applet++, i++) {
 			if (!applet->name)
 				continue;
 
-			col += printf("%s%s", ((col == 0) ? "\t" : " "),
-					applet->name);
+			col += printf("%s%s", ((col == 0) ? "\t" : " "), applet->name);
 			if (col > 60) {
 				printf("\n");
 				col = 0;
@@ -2977,51 +2906,48 @@ static int dohelp(struct op *t )
 
 
 
-static int dolabel(struct op *t )
+static int dolabel(struct op *t)
 {
-	return(0);
+	return (0);
 }
 
-static int
-dochdir(t)
+static int dochdir(t)
 register struct op *t;
 {
 	register char *cp, *er;
 
 	if ((cp = t->words[1]) == NULL && (cp = homedir->value) == NULL)
 		er = ": no home directory";
-	else if(chdir(cp) < 0)
+	else if (chdir(cp) < 0)
 		er = ": bad directory";
 	else
-		return(0);
-	prs(cp != NULL? cp: "cd");
+		return (0);
+	prs(cp != NULL ? cp : "cd");
 	err(er);
-	return(1);
+	return (1);
 }
 
-static int
-doshift(t)
+static int doshift(t)
 register struct op *t;
 {
 	register int n;
 
-	n = t->words[1]? getn(t->words[1]): 1;
-	if(dolc < n) {
+	n = t->words[1] ? getn(t->words[1]) : 1;
+	if (dolc < n) {
 		err("nothing to shift");
-		return(1);
+		return (1);
 	}
 	dolv[n] = dolv[0];
 	dolv += n;
 	dolc -= n;
 	setval(lookup("#"), putn(dolc));
-	return(0);
+	return (0);
 }
 
 /*
  * execute login and newgrp directly
  */
-static int
-dologin(t)
+static int dologin(t)
 struct op *t;
 {
 	register char *cp;
@@ -3031,12 +2957,13 @@ struct op *t;
 		signal(SIGQUIT, SIG_DFL);
 	}
 	cp = rexecve(t->words[0], t->words, makenv());
-	prs(t->words[0]); prs(": "); err(cp);
-	return(1);
+	prs(t->words[0]);
+	prs(": ");
+	err(cp);
+	return (1);
 }
 
-static int
-doumask(t)
+static int doumask(t)
 register struct op *t;
 {
 	register int i, n;
@@ -3045,19 +2972,18 @@ register struct op *t;
 	if ((cp = t->words[1]) == NULL) {
 		i = umask(0);
 		umask(i);
-		for (n=3*4; (n-=3) >= 0;)
-			putc('0'+((i>>n)&07), stderr);
+		for (n = 3 * 4; (n -= 3) >= 0;)
+			putc('0' + ((i >> n) & 07), stderr);
 		putc('\n', stderr);
 	} else {
-		for (n=0; *cp>='0' && *cp<='9'; cp++)
-			n = n*8 + (*cp-'0');
+		for (n = 0; *cp >= '0' && *cp <= '9'; cp++)
+			n = n * 8 + (*cp - '0');
 		umask(n);
 	}
-	return(0);
+	return (0);
 }
 
-static int
-doexec(t)
+static int doexec(t)
 register struct op *t;
 {
 	register int i;
@@ -3065,21 +2991,19 @@ register struct op *t;
 	xint *ofail;
 
 	t->ioact = NULL;
-	for(i = 0; (t->words[i]=t->words[i+1]) != NULL; i++)
-		;
+	for (i = 0; (t->words[i] = t->words[i + 1]) != NULL; i++);
 	if (i == 0)
-		return(1);
+		return (1);
 	execflg = 1;
 	ofail = failpt;
 	if (setjmp(failpt = ex) == 0)
 		execute(t, NOPIPE, NOPIPE, FEXEC);
 	failpt = ofail;
 	execflg = 0;
-	return(1);
+	return (1);
 }
 
-static int
-dodot(t)
+static int dodot(t)
 struct op *t;
 {
 	register int i;
@@ -3087,29 +3011,27 @@ struct op *t;
 	char *cp;
 
 	if ((cp = t->words[1]) == NULL)
-		return(0);
-	sp = any('/', cp)? ":": path->value;
+		return (0);
+	sp = any('/', cp) ? ":" : path->value;
 	while (*sp) {
 		tp = e.linep;
 		while (*sp && (*tp = *sp++) != ':')
 			tp++;
 		if (tp != e.linep)
 			*tp++ = '/';
-		for (i = 0; (*tp++ = cp[i++]) != '\0';)
-			;
+		for (i = 0; (*tp++ = cp[i++]) != '\0';);
 		if ((i = open(e.linep, 0)) >= 0) {
 			exstat = 0;
 			next(remap(i));
-			return(exstat);
+			return (exstat);
 		}
 	}
 	prs(cp);
 	err(": not found");
-	return(-1);
+	return (-1);
 }
 
-static int
-dowait(t)
+static int dowait(t)
 struct op *t;
 {
 	register int i;
@@ -3118,62 +3040,58 @@ struct op *t;
 	if ((cp = t->words[1]) != NULL) {
 		i = getn(cp);
 		if (i == 0)
-			return(0);
+			return (0);
 	} else
 		i = -1;
 	setstatus(waitfor(i, 1));
-	return(0);
+	return (0);
 }
 
-static int
-doread(t)
+static int doread(t)
 struct op *t;
 {
 	register char *cp, **wp;
 	register int nb = 0;
-	register int  nl = 0;
+	register int nl = 0;
 
 	if (t->words[1] == NULL) {
 		err("Usage: read name ...");
-		return(1);
+		return (1);
 	}
-	for (wp = t->words+1; *wp; wp++) {
-		for (cp = e.linep; !nl && cp < elinep-1; cp++)
+	for (wp = t->words + 1; *wp; wp++) {
+		for (cp = e.linep; !nl && cp < elinep - 1; cp++)
 			if ((nb = read(0, cp, sizeof(*cp))) != sizeof(*cp) ||
-			    (nl = (*cp == '\n')) ||
-			    (wp[1] && any(*cp, ifs->value)))
+				(nl = (*cp == '\n')) || (wp[1] && any(*cp, ifs->value)))
 				break;
 		*cp = 0;
 		if (nb <= 0)
 			break;
 		setval(lookup(*wp), e.linep);
 	}
-	return(nb <= 0);
+	return (nb <= 0);
 }
 
-static int
-doeval(t)
+static int doeval(t)
 register struct op *t;
 {
-	return(RUN(awordlist, t->words+1, wdchar));
+	return (RUN(awordlist, t->words + 1, wdchar));
 }
 
-static int
-dotrap(t)
+static int dotrap(t)
 register struct op *t;
 {
-	register int  n, i;
-	register int  resetsig;
+	register int n, i;
+	register int resetsig;
 
 	if (t->words[1] == NULL) {
-		for (i=0; i<=_NSIG; i++)
+		for (i = 0; i <= _NSIG; i++)
 			if (trap[i]) {
 				prn(i);
 				prs(": ");
 				prs(trap[i]);
 				prs("\n");
 			}
-		return(0);
+		return (0);
 	}
 	resetsig = isdigit(*t->words[1]);
 	for (i = resetsig ? 1 : 2; t->words[i] != NULL; ++i) {
@@ -3191,17 +3109,15 @@ register struct op *t;
 				if (n == SIGINT)
 					setsig(n, onintr);
 				else
-					setsig(n, n == SIGQUIT ? SIG_IGN
-							       : SIG_DFL);
+					setsig(n, n == SIGQUIT ? SIG_IGN : SIG_DFL);
 			else
 				setsig(n, SIG_DFL);
 		}
 	}
-	return(0);
+	return (0);
 }
 
-static int
-getsig(s)
+static int getsig(s)
 char *s;
 {
 	register int n;
@@ -3210,11 +3126,10 @@ char *s;
 		err("trap: bad signal number");
 		n = 0;
 	}
-	return(n);
+	return (n);
 }
 
-static void
-setsig( register int n, sighandler_t f)
+static void setsig(register int n, sighandler_t f)
 {
 	if (n == 0)
 		return;
@@ -3224,8 +3139,7 @@ setsig( register int n, sighandler_t f)
 	}
 }
 
-static int
-getn(as)
+static int getn(as)
 char *as;
 {
 	register char *s;
@@ -3238,37 +3152,34 @@ char *as;
 		s++;
 	}
 	for (n = 0; isdigit(*s); s++)
-		n = (n*10) + (*s-'0');
+		n = (n * 10) + (*s - '0');
 	if (*s) {
 		prs(as);
 		err(": bad number");
 	}
-	return(n*m);
+	return (n * m);
 }
 
-static int
-dobreak(t)
+static int dobreak(t)
 struct op *t;
 {
-	return(brkcontin(t->words[1], 1));
+	return (brkcontin(t->words[1], 1));
 }
 
-static int
-docontinue(t)
+static int docontinue(t)
 struct op *t;
 {
-	return(brkcontin(t->words[1], 0));
+	return (brkcontin(t->words[1], 0));
 }
 
-static int
-brkcontin(cp, val)
+static int brkcontin(cp, val)
 register char *cp;
 int val;
 {
 	register struct brkcon *bc;
 	register int nl;
 
-	nl = cp == NULL? 1: getn(cp);
+	nl = cp == NULL ? 1 : getn(cp);
 	if (nl <= 0)
 		nl = 999;
 	do {
@@ -3278,15 +3189,14 @@ int val;
 	} while (--nl);
 	if (nl) {
 		err("bad break/continue level");
-		return(1);
+		return (1);
 	}
 	isbreak = val;
 	longjmp(bc->brkpt, 1);
 	/* NOTREACHED */
 }
 
-static int
-doexit(t)
+static int doexit(t)
 struct op *t;
 {
 	register char *cp;
@@ -3296,38 +3206,36 @@ struct op *t;
 		setstatus(getn(cp));
 	leave();
 	/* NOTREACHED */
-	return(0);
+	return (0);
 }
 
-static int
-doexport(t)
+static int doexport(t)
 struct op *t;
 {
-	rdexp(t->words+1, export, EXPORT);
-	return(0);
+	rdexp(t->words + 1, export, EXPORT);
+	return (0);
 }
 
-static int
-doreadonly(t)
+static int doreadonly(t)
 struct op *t;
 {
-	rdexp(t->words+1, ronly, RONLY);
-	return(0);
+	rdexp(t->words + 1, ronly, RONLY);
+	return (0);
 }
 
-static void rdexp (char **wp, void (*f)(struct var *), int key)
+static void rdexp(char **wp, void (*f) (struct var *), int key)
 {
 	if (*wp != NULL) {
 		for (; *wp != NULL; wp++) {
 			if (isassign(*wp)) {
 				char *cp;
+
 				assign(*wp, COPYV);
-				for (cp = *wp; *cp != '='; cp++)
-					;
+				for (cp = *wp; *cp != '='; cp++);
 				*cp = '\0';
 			}
 			if (checkname(*wp))
-				(*f)(lookup(*wp));
+				(*f) (lookup(*wp));
 			else
 				badid(*wp);
 		}
@@ -3335,16 +3243,14 @@ static void rdexp (char **wp, void (*f)(struct var *), int key)
 		putvlist(key, 1);
 }
 
-static void
-badid(s)
+static void badid(s)
 register char *s;
 {
 	prs(s);
 	err(": bad identifier");
 }
 
-static int
-doset(t)
+static int doset(t)
 register struct op *t;
 {
 	register struct var *vp;
@@ -3354,12 +3260,11 @@ register struct op *t;
 	if ((cp = t->words[1]) == NULL) {
 		for (vp = vlist; vp; vp = vp->next)
 			varput(vp->name, 1);
-		return(0);
+		return (0);
 	}
 	if (*cp == '-') {
 		/* bad: t->words++; */
-		for(n = 0; (t->words[n]=t->words[n+1]) != NULL; n++)
-			;
+		for (n = 0; (t->words[n] = t->words[n + 1]) != NULL; n++);
 		if (*++cp == 0)
 			flag['x'] = flag['v'] = 0;
 		else
@@ -3371,26 +3276,25 @@ register struct op *t;
 					break;
 
 				default:
-					if (*cp>='a' && *cp<='z')
-						flag[(int)*cp]++;
+					if (*cp >= 'a' && *cp <= 'z')
+						flag[(int) *cp]++;
 					break;
 				}
 		setdash();
 	}
 	if (t->words[1]) {
 		t->words[0] = dolv[0];
-		for (n=1; t->words[n]; n++)
-			setarea((char *)t->words[n], 0);
-		dolc = n-1;
+		for (n = 1; t->words[n]; n++)
+			setarea((char *) t->words[n], 0);
+		dolc = n - 1;
 		dolv = t->words;
 		setval(lookup("#"), putn(dolc));
-		setarea((char *)(dolv-1), 0);
+		setarea((char *) (dolv - 1), 0);
 	}
-	return(0);
+	return (0);
 }
 
-static void
-varput(s, out)
+static void varput(s, out)
 register char *s;
 int out;
 {
@@ -3405,34 +3309,33 @@ int out;
  * Copyright (c) 1999 Herbert Xu <herbert@debian.org>
  * This file contains code for the times builtin.
  */
-static int dotimes(struct op *t )
+static int dotimes(struct op *t)
 {
 	struct tms buf;
 	long int clk_tck = sysconf(_SC_CLK_TCK);
 
 	times(&buf);
 	printf("%dm%fs %dm%fs\n%dm%fs %dm%fs\n",
-	       (int) (buf.tms_utime / clk_tck / 60),
-	       ((double) buf.tms_utime) / clk_tck,
-	       (int) (buf.tms_stime / clk_tck / 60),
-	       ((double) buf.tms_stime) / clk_tck,
-	       (int) (buf.tms_cutime / clk_tck / 60),
-	       ((double) buf.tms_cutime) / clk_tck,
-	       (int) (buf.tms_cstime / clk_tck / 60),
-	       ((double) buf.tms_cstime) / clk_tck);
+		   (int) (buf.tms_utime / clk_tck / 60),
+		   ((double) buf.tms_utime) / clk_tck,
+		   (int) (buf.tms_stime / clk_tck / 60),
+		   ((double) buf.tms_stime) / clk_tck,
+		   (int) (buf.tms_cutime / clk_tck / 60),
+		   ((double) buf.tms_cutime) / clk_tck,
+		   (int) (buf.tms_cstime / clk_tck / 60),
+		   ((double) buf.tms_cstime) / clk_tck);
 	return 0;
 }
 
 
-static int(*inbuilt(char *s))(struct op *)
-{
+static int (*inbuilt(char *s)) (struct op *) {
 	const struct builtincmd *bp;
 
 	for (bp = builtincmds; bp->name != NULL; bp++)
 		if (strcmp(bp->name, s) == 0)
-			return(bp->builtinfunc);
+			return (bp->builtinfunc);
 
-	return(NULL);
+	return (NULL);
 }
 
 /* -------- eval.c -------- */
@@ -3445,7 +3348,7 @@ static int(*inbuilt(char *s))(struct op *)
  * glob
  */
 
-static char ** eval( char **ap, int f)
+static char **eval(char **ap, int f)
 {
 	struct wdblock *wb;
 	char **wp;
@@ -3469,16 +3372,16 @@ static char ** eval( char **ap, int f)
 					expand(*wf, &wb, f & ~DOGLOB);
 			}
 		}
-		for (wb = addword((char *)0, wb); *ap; ap++) {
+		for (wb = addword((char *) 0, wb); *ap; ap++) {
 			if (!flag['k'] || !isassign(*ap))
 				expand(*ap, &wb, f & ~DOKEY);
 		}
-		wb = addword((char *)0, wb);
+		wb = addword((char *) 0, wb);
 		wp = getwords(wb);
 		quitenv();
 	} else
 		gflg = 1;
-	return(gflg? (char **)NULL: wp);
+	return (gflg ? (char **) NULL : wp);
 }
 
 /*
@@ -3486,9 +3389,7 @@ static char ** eval( char **ap, int f)
  * names in the dictionary. Keyword assignments
  * will already have been done.
  */
-static char **
-makenv()
-
+static char **makenv()
 {
 	register struct wdblock *wb;
 	register struct var *vp;
@@ -3497,12 +3398,11 @@ makenv()
 	for (vp = vlist; vp; vp = vp->next)
 		if (vp->status & EXPORT)
 			wb = addword(vp->name, wb);
-	wb = addword((char *)0, wb);
-	return(getwords(wb));
+	wb = addword((char *) 0, wb);
+	return (getwords(wb));
 }
 
-static char *
-evalstr(cp, f)
+static char *evalstr(cp, f)
 register char *cp;
 int f;
 {
@@ -3510,16 +3410,16 @@ int f;
 
 	wb = NULL;
 	if (expand(cp, &wb, f)) {
-		if (wb == NULL || wb->w_nword == 0 || (cp = wb->w_words[0]) == NULL)
+		if (wb == NULL || wb->w_nword == 0
+			|| (cp = wb->w_words[0]) == NULL)
 			cp = "";
 		DELETE(wb);
 	} else
 		cp = NULL;
-	return(cp);
+	return (cp);
 }
 
-static int
-expand( char *cp, register struct wdblock **wbp, int f)
+static int expand(char *cp, register struct wdblock **wbp, int f)
 {
 	jmp_buf ev;
 
@@ -3529,15 +3429,14 @@ expand( char *cp, register struct wdblock **wbp, int f)
 #endif
 	gflg = 0;
 	if (cp == NULL)
-		return(0);
+		return (0);
 	if (!anys("$`'\"", cp) &&
-	    !anys(ifs->value, cp) &&
-	    ((f&DOGLOB)==0 || !anys("[*?", cp))) {
+		!anys(ifs->value, cp) && ((f & DOGLOB) == 0 || !anys("[*?", cp))) {
 		cp = strsave(cp, areanum);
 		if (f & DOTRIM)
 			unquote(cp);
 		*wbp = addword(cp, *wbp);
-		return(1);
+		return (1);
 	}
 	if (newenv(setjmp(errpt = ev)) == 0) {
 		PUSHIO(aword, cp, strchar);
@@ -3545,7 +3444,7 @@ expand( char *cp, register struct wdblock **wbp, int f)
 		while ((cp = blank(f)) && gflg == 0) {
 			e.linep = cp;
 			cp = strsave(cp, areanum);
-			if ((f&DOGLOB) == 0) {
+			if ((f & DOGLOB) == 0) {
 				if (f & DOTRIM)
 					unquote(cp);
 				*wbp = addword(cp, *wbp);
@@ -3555,14 +3454,13 @@ expand( char *cp, register struct wdblock **wbp, int f)
 		quitenv();
 	} else
 		gflg = 1;
-	return(gflg == 0);
+	return (gflg == 0);
 }
 
 /*
  * Blank interpretation and quoting
  */
-static char *
-blank(f)
+static char *blank(f)
 int f;
 {
 	register int c, c1;
@@ -3573,13 +3471,13 @@ int f;
 	scanequals = f & DOKEY;
 	foundequals = 0;
 
-loop:
+  loop:
 	switch (c = subgetc('"', foundequals)) {
 	case 0:
 		if (sp == e.linep)
-			return(0);
+			return (0);
 		*e.linep++ = 0;
-		return(sp);
+		return (sp);
 
 	default:
 		if (f & DOBLANK && any(c, ifs->value))
@@ -3606,9 +3504,9 @@ loop:
 	for (;;) {
 		c = subgetc('"', foundequals);
 		if (c == 0 ||
-		    f & (DOBLANK && any(c, ifs->value)) ||
-		    (!INSUB() && any(c, "\"'"))) {
-		        scanequals = 0;
+			f & (DOBLANK && any(c, ifs->value)) ||
+			(!INSUB() && any(c, "\"'"))) {
+			scanequals = 0;
 			unget(c);
 			if (any(c, "\"'"))
 				goto loop;
@@ -3617,33 +3515,31 @@ loop:
 		if (scanequals) {
 			if (c == '=') {
 				foundequals = 1;
-				scanequals  = 0;
-			}
-			else if (!isalnum(c) && c != '_')
+				scanequals = 0;
+			} else if (!isalnum(c) && c != '_')
 				scanequals = 0;
 		}
 		*e.linep++ = c;
 	}
 	*e.linep++ = 0;
-	return(sp);
+	return (sp);
 }
 
 /*
  * Get characters, substituting for ` and $
  */
-static int
-subgetc(ec, quoted)
+static int subgetc(ec, quoted)
 register char ec;
 int quoted;
 {
 	register char c;
 
-again:
+  again:
 	c = my_getc(ec);
 	if (!INSUB() && ec != '\'') {
 		if (c == '`') {
 			if (grave(quoted) == 0)
-				return(0);
+				return (0);
 			e.iop->task = XGRAVE;
 			goto again;
 		}
@@ -3652,20 +3548,19 @@ again:
 			goto again;
 		}
 	}
-	return(c);
+	return (c);
 }
 
 /*
  * Prepare to generate the string returned by ${} substitution.
  */
-static int
-dollar(quoted)
+static int dollar(quoted)
 int quoted;
 {
 	int otask;
 	struct io *oiop;
 	char *dolp;
-	register char *s, c, *cp=NULL;
+	register char *s, c, *cp = NULL;
 	struct var *vp;
 
 	c = readc();
@@ -3673,7 +3568,7 @@ int quoted;
 	if (c != '{') {
 		*e.linep++ = c;
 		if (isalpha(c) || c == '_') {
-			while ((c = readc())!=0 && (isalnum(c) || c == '_'))
+			while ((c = readc()) != 0 && (isalnum(c) || c == '_'))
 				if (e.linep < elinep)
 					*e.linep++ = c;
 			unget(c);
@@ -3683,7 +3578,7 @@ int quoted;
 		oiop = e.iop;
 		otask = e.iop->task;
 		e.iop->task = XOTHER;
-		while ((c = subgetc('"', 0))!=0 && c!='}' && c!='\n')
+		while ((c = subgetc('"', 0)) != 0 && c != '}' && c != '\n')
 			if (e.linep < elinep)
 				*e.linep++ = c;
 		if (oiop == e.iop)
@@ -3691,7 +3586,7 @@ int quoted;
 		if (c != '}') {
 			err("unclosed ${");
 			gflg++;
-			return(c);
+			return (c);
 		}
 	}
 	if (e.linep >= elinep) {
@@ -3701,7 +3596,7 @@ int quoted;
 	}
 	*e.linep = 0;
 	if (*s)
-		for (cp = s+1; *cp; cp++)
+		for (cp = s + 1; *cp; cp++)
 			if (any(*cp, "=-+?")) {
 				c = *cp;
 				*cp++ = 0;
@@ -3712,9 +3607,9 @@ int quoted;
 			/* currently this does not distinguish $* and $@ */
 			/* should check dollar */
 			e.linep = s;
-			PUSHIO(awordlist, dolv+1, dolchar);
-			return(0);
-		} else {	/* trap the nasty ${=} */
+			PUSHIO(awordlist, dolv + 1, dolchar);
+			return (0);
+		} else {				/* trap the nasty ${=} */
 			s[0] = '1';
 			s[1] = 0;
 		}
@@ -3754,15 +3649,14 @@ int quoted;
 	}
 	e.linep = s;
 	PUSHIO(aword, dolp, quoted ? qstrchar : strchar);
-	return(0);
+	return (0);
 }
 
 /*
  * Run the command in `...` and read its output.
  */
 
-static int
-grave(quoted)
+static int grave(quoted)
 int quoted;
 {
 	char *cp;
@@ -3785,7 +3679,7 @@ int quoted;
 	for (cp = e.iop->argp->aword; *cp != '`'; cp++)
 		if (*cp == 0) {
 			err("no closing `");
-			return(0);
+			return (0);
 		}
 
 	/* string copy with dollar expansion */
@@ -3828,11 +3722,11 @@ int quoted;
 				case '=':
 				case '+':
 				case '?':
-					operator = *src;
+					operator = * src;
 					break;
 				default:
 					err("unclosed ${\n");
-					return(0);
+					return (0);
 				}
 				if (operator) {
 					src++;
@@ -3842,7 +3736,7 @@ int quoted;
 					alt_value[alt_index] = 0;
 					if (*src != '}') {
 						err("unclosed ${\n");
-						return(0);
+						return (0);
 					}
 				}
 				src++;
@@ -3850,10 +3744,10 @@ int quoted;
 
 			vp = lookup(var_name);
 			if (vp->value != null)
-				value = (operator == '+')? alt_value : vp->value;
+				value = (operator == '+') ? alt_value : vp->value;
 			else if (operator == '?') {
 				err(alt_value);
-				return(0);
+				return (0);
 			} else if (alt_index && (operator != '+')) {
 				value = alt_value;
 				if (operator == '=')
@@ -3874,31 +3768,32 @@ int quoted;
 	*dest = '\0';
 
 	if (openpipe(pf) < 0)
-		return(0);
-	while ((i = vfork()) == -1 && errno == EAGAIN)
-		;
+		return (0);
+	while ((i = vfork()) == -1 && errno == EAGAIN);
 	if (i < 0) {
 		closepipe(pf);
-		err((char*)bb_msg_memory_exhausted);
-		return(0);
+		err((char *) bb_msg_memory_exhausted);
+		return (0);
 	}
 	if (i != 0) {
 		waitpid(i, NULL, 0);
 		e.iop->argp->aword = ++cp;
 		close(pf[1]);
-		PUSHIO(afile, remap(pf[0]), (int(*)(struct ioarg *))((quoted)? qgravechar: gravechar));
-		return(1);
+		PUSHIO(afile, remap(pf[0]),
+			   (int (*)(struct ioarg *)) ((quoted) ? qgravechar :
+										  gravechar));
+		return (1);
 	}
 	/* allow trapped signals */
 	/* XXX - Maybe this signal stuff should go as well? */
-	for (j=0; j<=_NSIG; j++)
+	for (j = 0; j <= _NSIG; j++)
 		if (ourtrap[j] && signal(j, SIG_IGN) != SIG_IGN)
 			signal(j, SIG_DFL);
 
 	dup2(pf[1], 1);
 	closepipe(pf);
 
-	argument_list[0] = (char *)DEFAULT_SHELL;
+	argument_list[0] = (char *) DEFAULT_SHELL;
 	argument_list[1] = "-c";
 	argument_list[2] = child_cmd;
 	argument_list[3] = 0;
@@ -3908,8 +3803,7 @@ int quoted;
 }
 
 
-static char *
-unquote(as)
+static char *unquote(as)
 register char *as;
 {
 	register char *s;
@@ -3917,7 +3811,7 @@ register char *as;
 	if ((s = as) != NULL)
 		while (*s)
 			*s++ &= ~QUOTE;
-	return(as);
+	return (as);
 }
 
 /* -------- glob.c -------- */
@@ -3930,11 +3824,10 @@ register char *as;
 #define	BLKSIZ	512
 #define	NDENT	((BLKSIZ+sizeof(struct dirent)-1)/sizeof(struct dirent))
 
-static	struct wdblock	*cl, *nl;
-static	char	spcl[] = "[?*";
+static struct wdblock *cl, *nl;
+static char spcl[] = "[?*";
 
-static struct wdblock *
-glob(cp, wb)
+static struct wdblock *glob(cp, wb)
 char *cp;
 struct wdblock *wb;
 {
@@ -3942,7 +3835,7 @@ struct wdblock *wb;
 	register char *pp;
 
 	if (cp == 0)
-		return(wb);
+		return (wb);
 	i = 0;
 	for (pp = cp; *pp; pp++)
 		if (any(*pp, spcl))
@@ -3950,9 +3843,10 @@ struct wdblock *wb;
 		else if (!any(*pp & ~QUOTE, spcl))
 			*pp &= ~QUOTE;
 	if (i != 0) {
-		for (cl = addword(scopy(cp), (struct wdblock *)0); anyspcl(cl); cl = nl) {
-			nl = newword(cl->w_nword*2);
-			for(i=0; i<cl->w_nword; i++) { /* for each argument */
+		for (cl = addword(scopy(cp), (struct wdblock *) 0); anyspcl(cl);
+			 cl = nl) {
+			nl = newword(cl->w_nword * 2);
+			for (i = 0; i < cl->w_nword; i++) {	/* for each argument */
 				for (pp = cl->w_words[i]; *pp; pp++)
 					if (any(*pp, spcl)) {
 						globname(cl->w_words[i], pp);
@@ -3961,26 +3855,25 @@ struct wdblock *wb;
 				if (*pp == '\0')
 					nl = addword(scopy(cl->w_words[i]), nl);
 			}
-			for(i=0; i<cl->w_nword; i++)
+			for (i = 0; i < cl->w_nword; i++)
 				DELETE(cl->w_words[i]);
 			DELETE(cl);
 		}
-		for(i=0; i<cl->w_nword; i++)
+		for (i = 0; i < cl->w_nword; i++)
 			unquote(cl->w_words[i]);
-		glob0((char *)cl->w_words, cl->w_nword, sizeof(char *), xstrcmp);
+		glob0((char *) cl->w_words, cl->w_nword, sizeof(char *), xstrcmp);
 		if (cl->w_nword) {
-			for (i=0; i<cl->w_nword; i++)
+			for (i = 0; i < cl->w_nword; i++)
 				wb = addword(cl->w_words[i], wb);
 			DELETE(cl);
-			return(wb);
+			return (wb);
 		}
 	}
 	wb = addword(unquote(cp), wb);
-	return(wb);
+	return (wb);
 }
 
-static void
-globname(we, pp)
+static void globname(we, pp)
 char *we;
 register char *pp;
 {
@@ -3989,17 +3882,17 @@ register char *pp;
 	int k;
 	DIR *dirp;
 	struct dirent *de;
-	char dname[NAME_MAX+1];
+	char dname[NAME_MAX + 1];
 	struct stat dbuf;
 
 	for (np = we; np != pp; pp--)
 		if (pp[-1] == '/')
 			break;
-	for (dp = cp = space((int)(pp-np)+3); np < pp;)
+	for (dp = cp = space((int) (pp - np) + 3); np < pp;)
 		*cp++ = *np++;
 	*cp++ = '.';
 	*cp = '\0';
-	for (gp = cp = space(strlen(pp)+1); *np && *np != '/';)
+	for (gp = cp = space(strlen(pp) + 1); *np && *np != '/';)
 		*cp++ = *np++;
 	*cp = '\0';
 	dirp = opendir(dp);
@@ -4009,29 +3902,29 @@ register char *pp;
 		return;
 	}
 	dname[NAME_MAX] = '\0';
-	while ((de=readdir(dirp))!=NULL) {
+	while ((de = readdir(dirp)) != NULL) {
 		/* XXX Hmmm... What this could be? (abial) */
 		/*
-		if (ent[j].d_ino == 0)
-			continue;
-		*/
+		   if (ent[j].d_ino == 0)
+		   continue;
+		 */
 		strncpy(dname, de->d_name, NAME_MAX);
-			if (dname[0] == '.')
-				if (*gp != '.')
+		if (dname[0] == '.')
+			if (*gp != '.')
+				continue;
+		for (k = 0; k < NAME_MAX; k++)
+			if (any(dname[k], spcl))
+				dname[k] |= QUOTE;
+		if (gmatch(dname, gp)) {
+			name = generate(we, pp, dname, np);
+			if (*np && !anys(np, spcl)) {
+				if (stat(name, &dbuf)) {
+					DELETE(name);
 					continue;
-			for(k=0; k<NAME_MAX; k++)
-				if (any(dname[k], spcl))
-					dname[k] |= QUOTE;
-			if (gmatch(dname, gp)) {
-				name = generate(we, pp, dname, np);
-				if (*np && !anys(np, spcl)) {
-					if (stat(name,&dbuf)) {
-						DELETE(name);
-						continue;
-					}
 				}
-				nl = addword(name, nl);
 			}
+			nl = addword(name, nl);
+		}
 	}
 	closedir(dirp);
 	DELETE(dp);
@@ -4043,8 +3936,7 @@ register char *pp;
  * start..end1 / middle end
  * the slashes come for free
  */
-static char *
-generate(start1, end1, middle, end)
+static char *generate(start1, end1, middle, end)
 char *start1;
 register char *end1;
 char *middle, *end;
@@ -4052,54 +3944,49 @@ char *middle, *end;
 	char *p;
 	register char *op, *xp;
 
-	p = op = space((int)(end1-start1)+strlen(middle)+strlen(end)+2);
+	p = op =
+		space((int) (end1 - start1) + strlen(middle) + strlen(end) + 2);
 	for (xp = start1; xp != end1;)
 		*op++ = *xp++;
-	for (xp = middle; (*op++ = *xp++) != '\0';)
-		;
+	for (xp = middle; (*op++ = *xp++) != '\0';);
 	op--;
-	for (xp = end; (*op++ = *xp++) != '\0';)
-		;
-	return(p);
+	for (xp = end; (*op++ = *xp++) != '\0';);
+	return (p);
 }
 
-static int
-anyspcl(wb)
+static int anyspcl(wb)
 register struct wdblock *wb;
 {
 	register int i;
 	register char **wd;
 
 	wd = wb->w_words;
-	for (i=0; i<wb->w_nword; i++)
+	for (i = 0; i < wb->w_nword; i++)
 		if (anys(spcl, *wd++))
-			return(1);
-	return(0);
+			return (1);
+	return (0);
 }
 
-static int
-xstrcmp(p1, p2)
+static int xstrcmp(p1, p2)
 char *p1, *p2;
 {
-	return(strcmp(*(char **)p1, *(char **)p2));
+	return (strcmp(*(char **) p1, *(char **) p2));
 }
 
 /* -------- word.c -------- */
 
-static struct wdblock *
-newword(nw)
+static struct wdblock *newword(nw)
 register int nw;
 {
 	register struct wdblock *wb;
 
-	wb = (struct wdblock *) space(sizeof(*wb) + nw*sizeof(char *));
+	wb = (struct wdblock *) space(sizeof(*wb) + nw * sizeof(char *));
 	wb->w_bsize = nw;
 	wb->w_nword = 0;
-	return(wb);
+	return (wb);
 }
 
-static struct wdblock *
-addword(wd, wb)
+static struct wdblock *addword(wd, wb)
 char *wd;
 register struct wdblock *wb;
 {
@@ -4110,39 +3997,39 @@ register struct wdblock *wb;
 		wb = newword(NSTART);
 	if ((nw = wb->w_nword) >= wb->w_bsize) {
 		wb2 = newword(nw * 2);
-		memcpy((char *)wb2->w_words, (char *)wb->w_words, nw*sizeof(char *));
+		memcpy((char *) wb2->w_words, (char *) wb->w_words,
+			   nw * sizeof(char *));
 		wb2->w_nword = nw;
 		DELETE(wb);
 		wb = wb2;
 	}
 	wb->w_words[wb->w_nword++] = wd;
-	return(wb);
+	return (wb);
 }
+
 static
-char **
-getwords(wb)
+char **getwords(wb)
 register struct wdblock *wb;
 {
 	register char **wd;
 	register int nb;
 
 	if (wb == NULL)
-		return((char **)NULL);
+		return ((char **) NULL);
 	if (wb->w_nword == 0) {
 		DELETE(wb);
-		return((char **)NULL);
+		return ((char **) NULL);
 	}
 	wd = (char **) space(nb = sizeof(*wd) * wb->w_nword);
-	memcpy((char *)wd, (char *)wb->w_words, nb);
-	DELETE(wb);	/* perhaps should done by caller */
-	return(wd);
+	memcpy((char *) wd, (char *) wb->w_words, nb);
+	DELETE(wb);					/* perhaps should done by caller */
+	return (wd);
 }
 
-int (*func)(char *, char *);
-int	globv;
+int (*func) (char *, char *);
+int globv;
 
-static void
-glob0(a0, a1, a2, a3)
+static void glob0(a0, a1, a2, a3)
 char *a0;
 unsigned a1;
 int a2;
@@ -4153,8 +4040,7 @@ int (*a3) (char *, char *);
 	glob1(a0, a0 + a1 * a2);
 }
 
-static void
-glob1(base, lim)
+static void glob1(base, lim)
 char *base, *lim;
 {
 	register char *i, *j;
@@ -4166,16 +4052,16 @@ char *base, *lim;
 
 	v2 = globv;
 
-top:
-	if ((n=(int)(lim-base)) <= v2)
+  top:
+	if ((n = (int) (lim - base)) <= v2)
 		return;
-	n = v2 * (n / (2*v2));
-	hptr = lptr = base+n;
+	n = v2 * (n / (2 * v2));
+	hptr = lptr = base + n;
 	i = base;
-	j = lim-v2;
-	for(;;) {
+	j = lim - v2;
+	for (;;) {
 		if (i < lptr) {
-			if ((c = (*func)(i, lptr)) == 0) {
+			if ((c = (*func) (i, lptr)) == 0) {
 				glob2(i, lptr -= v2);
 				continue;
 			}
@@ -4185,9 +4071,9 @@ top:
 			}
 		}
 
-begin:
+	  begin:
 		if (j > hptr) {
-			if ((c = (*func)(hptr, j)) == 0) {
+			if ((c = (*func) (hptr, j)) == 0) {
 				glob2(hptr += v2, j);
 				goto begin;
 			}
@@ -4208,12 +4094,12 @@ begin:
 
 
 		if (i == lptr) {
-			if (lptr-base >= lim-hptr) {
-				glob1(hptr+v2, lim);
+			if (lptr - base >= lim - hptr) {
+				glob1(hptr + v2, lim);
 				lim = lptr;
 			} else {
 				glob1(base, lptr);
-				base = hptr+v2;
+				base = hptr + v2;
 			}
 			goto top;
 		}
@@ -4224,8 +4110,7 @@ begin:
 	}
 }
 
-static void
-glob2(i, j)
+static void glob2(i, j)
 char *i, *j;
 {
 	register char *index1, *index2, c;
@@ -4238,11 +4123,10 @@ char *i, *j;
 		c = *index1;
 		*index1++ = *index2;
 		*index2++ = c;
-	} while(--m);
+	} while (--m);
 }
 
-static void
-glob3(i, j, k)
+static void glob3(i, j, k)
 char *i, *j, *k;
 {
 	register char *index1, *index2, *index3;
@@ -4258,7 +4142,7 @@ char *i, *j, *k;
 		*index1++ = *index3;
 		*index3++ = *index2;
 		*index2++ = c;
-	} while(--m);
+	} while (--m);
 }
 
 /* -------- io.c -------- */
@@ -4267,101 +4151,92 @@ char *i, *j, *k;
  * shell IO
  */
 
-static int my_getc( int ec)
+static int my_getc(int ec)
 {
 	register int c;
 
-	if(e.linep > elinep) {
-		while((c=readc()) != '\n' && c)
-			;
+	if (e.linep > elinep) {
+		while ((c = readc()) != '\n' && c);
 		err("input line too long");
 		gflg++;
-		return(c);
+		return (c);
 	}
 	c = readc();
 	if ((ec != '\'') && (ec != '`') && (e.iop->task != XGRAVE)) {
-		if(c == '\\') {
+		if (c == '\\') {
 			c = readc();
 			if (c == '\n' && ec != '\"')
-				return(my_getc(ec));
+				return (my_getc(ec));
 			c |= QUOTE;
 		}
 	}
-	return(c);
+	return (c);
 }
 
-static void
-unget(c)
+static void unget(c)
 int c;
 {
 	if (e.iop >= e.iobase)
 		e.iop->peekc = c;
 }
 
-static int
-eofc()
-
+static int eofc()
 {
-  return e.iop < e.iobase || (e.iop->peekc == 0 && e.iop->prev == 0);
+	return e.iop < e.iobase || (e.iop->peekc == 0 && e.iop->prev == 0);
 }
 
-static int
-readc()
+static int readc()
 {
 	register int c;
 
 	for (; e.iop >= e.iobase; e.iop--)
 		if ((c = e.iop->peekc) != '\0') {
 			e.iop->peekc = 0;
-			return(c);
-		}
-		else {
-		    if (e.iop->prev != 0) {
-		        if ((c = (*e.iop->iofn)(e.iop->argp, e.iop)) != '\0') {
-			        if (c == -1) {
-				        e.iop++;
-				        continue;
-			        }
-			        if (e.iop == iostack)
-				        ioecho(c);
-			        return(e.iop->prev = c);
-		        }
-		        else if (e.iop->task == XIO && e.iop->prev != '\n') {
-			        e.iop->prev = 0;
-				if (e.iop == iostack)
-					ioecho('\n');
-			        return '\n';
-		        }
-		    }
-		    if (e.iop->task == XIO) {
-			if (multiline)
-			    return e.iop->prev = 0;
-			if (interactive && e.iop == iostack+1) {
+			return (c);
+		} else {
+			if (e.iop->prev != 0) {
+				if ((c = (*e.iop->iofn) (e.iop->argp, e.iop)) != '\0') {
+					if (c == -1) {
+						e.iop++;
+						continue;
+					}
+					if (e.iop == iostack)
+						ioecho(c);
+					return (e.iop->prev = c);
+				} else if (e.iop->task == XIO && e.iop->prev != '\n') {
+					e.iop->prev = 0;
+					if (e.iop == iostack)
+						ioecho('\n');
+					return '\n';
+				}
+			}
+			if (e.iop->task == XIO) {
+				if (multiline)
+					return e.iop->prev = 0;
+				if (interactive && e.iop == iostack + 1) {
 #ifdef CONFIG_FEATURE_COMMAND_EDITING
-			    current_prompt=prompt->value;
+					current_prompt = prompt->value;
 #else
-			    prs(prompt->value);
+					prs(prompt->value);
 #endif
+				}
 			}
-		    }
 		}
 	if (e.iop >= iostack)
-		return(0);
+		return (0);
 	leave();
 	/* NOTREACHED */
-	return(0);
+	return (0);
 }
 
-static void
-ioecho(c)
+static void ioecho(c)
 char c;
 {
 	if (flag['v'])
 		write(2, &c, sizeof c);
 }
 
-static void
-pushio(struct ioarg *argp, int (*fn)(struct ioarg *))
+static void pushio(struct ioarg *argp, int (*fn) (struct ioarg *))
 {
 	if (++e.iop >= &iostack[NPUSH]) {
 		e.iop--;
@@ -4369,44 +4244,44 @@ pushio(struct ioarg *argp, int (*fn)(struct ioarg *))
 		gflg++;
 		return;
 	}
-	e.iop->iofn = (int (*)(struct  ioarg *, struct io *))fn;
+	e.iop->iofn = (int (*)(struct ioarg *, struct io *)) fn;
 
 	if (argp->afid != AFID_NOBUF)
-	  e.iop->argp = argp;
+		e.iop->argp = argp;
 	else {
-	  e.iop->argp  = ioargstack + (e.iop - iostack);
-	  *e.iop->argp = *argp;
-	  e.iop->argp->afbuf = e.iop == &iostack[0] ? &mainbuf : &sharedbuf;
-	  if (isatty(e.iop->argp->afile) == 0 &&
-	      (e.iop == &iostack[0] ||
-	       lseek(e.iop->argp->afile, 0L, 1) != -1)) {
-	    if (++bufid == AFID_NOBUF)
-	      bufid = AFID_ID;
-	    e.iop->argp->afid  = bufid;
-	  }
+		e.iop->argp = ioargstack + (e.iop - iostack);
+		*e.iop->argp = *argp;
+		e.iop->argp->afbuf = e.iop == &iostack[0] ? &mainbuf : &sharedbuf;
+		if (isatty(e.iop->argp->afile) == 0 &&
+			(e.iop == &iostack[0] ||
+			 lseek(e.iop->argp->afile, 0L, 1) != -1)) {
+			if (++bufid == AFID_NOBUF)
+				bufid = AFID_ID;
+			e.iop->argp->afid = bufid;
+		}
 	}
 
-	e.iop->prev  = ~'\n';
+	e.iop->prev = ~'\n';
 	e.iop->peekc = 0;
 	e.iop->xchar = 0;
 	e.iop->nlcount = 0;
 	if (fn == filechar || fn == linechar)
 		e.iop->task = XIO;
-	else if (fn == (int(*)(struct ioarg *))gravechar || fn == (int(*)(struct ioarg *))qgravechar)
+	else if (fn == (int (*)(struct ioarg *)) gravechar
+			 || fn == (int (*)(struct ioarg *)) qgravechar)
 		e.iop->task = XGRAVE;
 	else
 		e.iop->task = XOTHER;
 }
 
-static struct io *
-setbase(ip)
+static struct io *setbase(ip)
 struct io *ip;
 {
 	register struct io *xp;
 
 	xp = e.iobase;
 	e.iobase = ip;
-	return(xp);
+	return (xp);
 }
 
 /*
@@ -4416,109 +4291,102 @@ struct io *ip;
 /*
  * Produce the characters of a string, then a newline, then EOF.
  */
-static int
-nlchar(ap)
+static int nlchar(ap)
 register struct ioarg *ap;
 {
 	register int c;
 
 	if (ap->aword == NULL)
-		return(0);
+		return (0);
 	if ((c = *ap->aword++) == 0) {
 		ap->aword = NULL;
-		return('\n');
+		return ('\n');
 	}
-	return(c);
+	return (c);
 }
 
 /*
  * Given a list of words, produce the characters
  * in them, with a space after each word.
  */
-static int
-wdchar(ap)
+static int wdchar(ap)
 register struct ioarg *ap;
 {
 	register char c;
 	register char **wl;
 
 	if ((wl = ap->awordlist) == NULL)
-		return(0);
+		return (0);
 	if (*wl != NULL) {
 		if ((c = *(*wl)++) != 0)
-			return(c & 0177);
+			return (c & 0177);
 		ap->awordlist++;
-		return(' ');
+		return (' ');
 	}
 	ap->awordlist = NULL;
-	return('\n');
+	return ('\n');
 }
 
 /*
  * Return the characters of a list of words,
  * producing a space between them.
  */
-static int
-dolchar(ap)
+static int dolchar(ap)
 register struct ioarg *ap;
 {
 	register char *wp;
 
 	if ((wp = *ap->awordlist++) != NULL) {
-		PUSHIO(aword, wp, *ap->awordlist == NULL? strchar: xxchar);
-		return(-1);
+		PUSHIO(aword, wp, *ap->awordlist == NULL ? strchar : xxchar);
+		return (-1);
 	}
-	return(0);
+	return (0);
 }
 
-static int
-xxchar(ap)
+static int xxchar(ap)
 register struct ioarg *ap;
 {
 	register int c;
 
 	if (ap->aword == NULL)
-		return(0);
+		return (0);
 	if ((c = *ap->aword++) == '\0') {
 		ap->aword = NULL;
-		return(' ');
+		return (' ');
 	}
-	return(c);
+	return (c);
 }
 
 /*
  * Produce the characters from a single word (string).
  */
-static int
-strchar(ap)
+static int strchar(ap)
 register struct ioarg *ap;
 {
 	register int c;
 
 	if (ap->aword == NULL || (c = *ap->aword++) == 0)
-		return(0);
-	return(c);
+		return (0);
+	return (c);
 }
 
 /*
  * Produce quoted characters from a single word (string).
  */
-static int
-qstrchar(ap)
+static int qstrchar(ap)
 register struct ioarg *ap;
 {
 	register int c;
 
 	if (ap->aword == NULL || (c = *ap->aword++) == 0)
-		return(0);
-	return(c|QUOTE);
+		return (0);
+	return (c | QUOTE);
 }
 
 /*
  * Return the characters from a file.
  */
-static int
-filechar(ap)
+static int filechar(ap)
 register struct ioarg *ap;
 {
 	register int i;
@@ -4526,47 +4394,45 @@ register struct ioarg *ap;
 	struct iobuf *bp = ap->afbuf;
 
 	if (ap->afid != AFID_NOBUF) {
-	  if ((i = ap->afid != bp->id) || bp->bufp == bp->ebufp) {
-	    if (i)
-	      lseek(ap->afile, ap->afpos, 0);
-	    i = safe_read(ap->afile, bp->buf, sizeof(bp->buf));
-	    if (i <= 0) {
-	      closef(ap->afile);
-	      return 0;
-	    }
-	    bp->id = ap->afid;
-	    bp->ebufp = (bp->bufp  = bp->buf) + i;
-	  }
-	  ap->afpos++;
-	  return *bp->bufp++ & 0177;
+		if ((i = ap->afid != bp->id) || bp->bufp == bp->ebufp) {
+			if (i)
+				lseek(ap->afile, ap->afpos, 0);
+			i = safe_read(ap->afile, bp->buf, sizeof(bp->buf));
+			if (i <= 0) {
+				closef(ap->afile);
+				return 0;
+			}
+			bp->id = ap->afid;
+			bp->ebufp = (bp->bufp = bp->buf) + i;
+		}
+		ap->afpos++;
+		return *bp->bufp++ & 0177;
 	}
-
 #ifdef CONFIG_FEATURE_COMMAND_EDITING
 	if (interactive && isatty(ap->afile)) {
-	    static char mycommand[BUFSIZ];
-	    static int position = 0, size = 0;
-
-	    while (size == 0 || position >= size) {
-		cmdedit_read_input(current_prompt, mycommand);
-		size = strlen(mycommand);
-		position = 0;
-	    }
-	    c = mycommand[position];
-	    position++;
-	    return(c);
+		static char mycommand[BUFSIZ];
+		static int position = 0, size = 0;
+
+		while (size == 0 || position >= size) {
+			cmdedit_read_input(current_prompt, mycommand);
+			size = strlen(mycommand);
+			position = 0;
+		}
+		c = mycommand[position];
+		position++;
+		return (c);
 	} else
 #endif
 	{
 		i = safe_read(ap->afile, &c, sizeof(c));
-		return(i == sizeof(c)? c&0177: (closef(ap->afile), 0));
+		return (i == sizeof(c) ? c & 0177 : (closef(ap->afile), 0));
 	}
 }
 
 /*
  * Return the characters from a here temp file.
  */
-static int
-herechar(ap)
+static int herechar(ap)
 register struct ioarg *ap;
 {
 	char c;
@@ -4584,20 +4450,18 @@ register struct ioarg *ap;
  * Return the characters produced by a process (`...`).
  * Quote them if required, and remove any trailing newline characters.
  */
-static int
-gravechar(ap, iop)
+static int gravechar(ap, iop)
 struct ioarg *ap;
 struct io *iop;
 {
 	register int c;
 
-	if ((c = qgravechar(ap, iop)&~QUOTE) == '\n')
+	if ((c = qgravechar(ap, iop) & ~QUOTE) == '\n')
 		c = ' ';
-	return(c);
+	return (c);
 }
 
-static int
-qgravechar(ap, iop)
+static int qgravechar(ap, iop)
 register struct ioarg *ap;
 struct io *iop;
 {
@@ -4606,7 +4470,7 @@ struct io *iop;
 	if (iop->xchar) {
 		if (iop->nlcount) {
 			iop->nlcount--;
-			return('\n'|QUOTE);
+			return ('\n' | QUOTE);
 		}
 		c = iop->xchar;
 		iop->xchar = 0;
@@ -4616,18 +4480,17 @@ struct io *iop;
 			iop->nlcount++;
 		iop->xchar = c;
 		if (c == 0)
-			return(c);
+			return (c);
 		iop->nlcount--;
 		c = '\n';
 	}
-	return(c!=0? c|QUOTE: 0);
+	return (c != 0 ? c | QUOTE : 0);
 }
 
 /*
  * Return a single command (usually the first line) from a file.
  */
-static int
-linechar(ap)
+static int linechar(ap)
 register struct ioarg *ap;
 {
 	register int c;
@@ -4635,83 +4498,76 @@ register struct ioarg *ap;
 	if ((c = filechar(ap)) == '\n') {
 		if (!multiline) {
 			closef(ap->afile);
-			ap->afile = -1;	/* illegal value */
+			ap->afile = -1;		/* illegal value */
 		}
 	}
-	return(c);
+	return (c);
 }
 
-static void
-prs(s)
+static void prs(s)
 register char *s;
 {
 	if (*s)
 		write(2, s, strlen(s));
 }
 
-static void
-prn(u)
+static void prn(u)
 unsigned u;
 {
 	prs(itoa(u));
 }
 
-static void
-closef(i)
+static void closef(i)
 register int i;
 {
 	if (i > 2)
 		close(i);
 }
 
-static void
-closeall()
+static void closeall()
 {
 	register int u;
 
-	for (u=NUFILE; u<NOFILE;)
+	for (u = NUFILE; u < NOFILE;)
 		close(u++);
 }
 
 /*
  * remap fd into Shell's fd space
  */
-static int
-remap(fd)
+static int remap(fd)
 register int fd;
 {
 	register int i;
 	int map[NOFILE];
 
 	if (fd < e.iofd) {
-		for (i=0; i<NOFILE; i++)
+		for (i = 0; i < NOFILE; i++)
 			map[i] = 0;
 		do {
 			map[fd] = 1;
 			fd = dup(fd);
 		} while (fd >= 0 && fd < e.iofd);
-		for (i=0; i<NOFILE; i++)
+		for (i = 0; i < NOFILE; i++)
 			if (map[i])
 				close(i);
 		if (fd < 0)
 			err("too many files open in shell");
 	}
-	return(fd);
+	return (fd);
 }
 
-static int
-openpipe(pv)
+static int openpipe(pv)
 register int *pv;
 {
 	register int i;
 
 	if ((i = pipe(pv)) < 0)
 		err("can't create pipe - try again");
-	return(i);
+	return (i);
 }
 
-static void
-closepipe(pv)
+static void closepipe(pv)
 register int *pv;
 {
 	if (pv != NULL) {
@@ -4726,8 +4582,7 @@ register int *pv;
  * here documents
  */
 
-static void
-markhere(s, iop)
+static void markhere(s, iop)
 register char *s;
 struct ioword *iop;
 {
@@ -4745,39 +4600,37 @@ struct ioword *iop;
 	if (inhere == 0)
 		inhere = h;
 	else
-		for (lh = inhere; lh!=NULL; lh = lh->h_next)
+		for (lh = inhere; lh != NULL; lh = lh->h_next)
 			if (lh->h_next == 0) {
 				lh->h_next = h;
 				break;
 			}
-	iop->io_flag |= IOHERE|IOXHERE;
+	iop->io_flag |= IOHERE | IOXHERE;
 	for (s = h->h_tag; *s; s++)
 		if (*s & QUOTE) {
-			iop->io_flag &= ~ IOXHERE;
-			*s &= ~ QUOTE;
+			iop->io_flag &= ~IOXHERE;
+			*s &= ~QUOTE;
 		}
 	h->h_dosub = iop->io_flag & IOXHERE;
 }
 
-static void
-gethere()
+static void gethere()
 {
 	register struct here *h, *hp;
 
 	/* Scan here files first leaving inhere list in place */
 	for (hp = h = inhere; h != NULL; hp = h, h = h->h_next)
-	  readhere(&h->h_iop->io_name, h->h_tag, h->h_dosub? 0: '\'');
+		readhere(&h->h_iop->io_name, h->h_tag, h->h_dosub ? 0 : '\'');
 
 	/* Make inhere list active - keep list intact for scraphere */
 	if (hp != NULL) {
-	  hp->h_next = acthere;
-	  acthere    = inhere;
-	  inhere     = NULL;
+		hp->h_next = acthere;
+		acthere = inhere;
+		inhere = NULL;
 	}
 }
 
-static void
-readhere(name, s, ec)
+static void readhere(name, s, ec)
 char **name;
 register char *s;
 int ec;
@@ -4786,7 +4639,7 @@ int ec;
 	char tname[30] = ".msh_XXXXXX";
 	register int c;
 	jmp_buf ev;
-	char myline [LINELIM+1];
+	char myline[LINELIM + 1];
 	char *thenext;
 
 	tf = mkstemp(tname);
@@ -4796,20 +4649,20 @@ int ec;
 	if (newenv(setjmp(errpt = ev)) != 0)
 		unlink(tname);
 	else {
-		pushio(e.iop->argp, (int(*)(struct ioarg *))e.iop->iofn);
+		pushio(e.iop->argp, (int (*)(struct ioarg *)) e.iop->iofn);
 		e.iobase = e.iop;
 		for (;;) {
-		    if (interactive && e.iop <= iostack) {
+			if (interactive && e.iop <= iostack) {
 #ifdef CONFIG_FEATURE_COMMAND_EDITING
-			    current_prompt=cprompt->value;
+				current_prompt = cprompt->value;
 #else
-			    prs(cprompt->value);
+				prs(cprompt->value);
 #endif
 			}
 			thenext = myline;
 			while ((c = my_getc(ec)) != '\n' && c) {
 				if (ec == '\'')
-					c &= ~ QUOTE;
+					c &= ~QUOTE;
 				if (thenext >= &myline[LINELIM]) {
 					c = 0;
 					break;
@@ -4820,10 +4673,12 @@ int ec;
 			if (strcmp(s, myline) == 0 || c == 0)
 				break;
 			*thenext++ = '\n';
-			write (tf, myline, (int)(thenext-myline));
+			write(tf, myline, (int) (thenext - myline));
 		}
 		if (c == 0) {
-			prs("here document `"); prs(s); err("' unclosed");
+			prs("here document `");
+			prs(s);
+			err("' unclosed");
 		}
 		quitenv();
 	}
@@ -4834,8 +4689,7 @@ int ec;
  * open here temp file.
  * if unquoted here, expand here temp file into second temp file.
  */
-static int
-herein(hname, xdoll)
+static int herein(hname, xdoll)
 char *hname;
 int xdoll;
 {
@@ -4847,7 +4701,7 @@ int xdoll;
 	(void) &tf;
 #endif
 	if (hname == 0)
-		return(-1);
+		return (-1);
 	hf = open(hname, 0);
 	if (hf < 0)
 		return (-1);
@@ -4863,7 +4717,7 @@ int xdoll;
 			PUSHIO(afile, hf, herechar);
 			setbase(e.iop);
 			while ((c = subgetc(0, 0)) != 0) {
-				c &= ~ QUOTE;
+				c &= ~QUOTE;
 				write(tf, &c, sizeof c);
 			}
 			quitenv();
@@ -4877,21 +4731,19 @@ int xdoll;
 		return (hf);
 }
 
-static void
-scraphere()
+static void scraphere()
 {
 	register struct here *h;
 
 	for (h = inhere; h != NULL; h = h->h_next) {
 		if (h->h_iop && h->h_iop->io_name)
-		  unlink(h->h_iop->io_name);
+			unlink(h->h_iop->io_name);
 	}
 	inhere = NULL;
 }
 
 /* unlink here temp files before a freearea(area) */
-static void
-freehere(area)
+static void freehere(area)
 int area;
 {
 	register struct here *h, *hl;
@@ -4946,4 +4798,3 @@ int area;
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
-