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-rw-r--r--coreutils/tty.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/coreutils/tty.c b/coreutils/tty.c
index 6eebed9..46201d3 100644
--- a/coreutils/tty.c
+++ b/coreutils/tty.c
@@ -38,5 +38,5 @@ extern int tty_main(int argc, char **argv)
else
puts("not a tty");
}
- return(isatty(0) ? TRUE : FALSE);
+ return(isatty(0) ? EXIT_SUCCESS : EXIT_FAILURE);
}