Change `exit (0)' to `exit (EXIT_SUCCESS)',

`exit (1)' to `exit (EXIT_FAILURE)', and
`usage (1)' to `usage (EXIT_FAILURE)'.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/unlink.c b/src/unlink.c
index bec995bdd..7c8384951 100644
--- a/src/unlink.c
+++ b/src/unlink.c
@@ -1,5 +1,5 @@
 /* unlink utility for GNU.
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001-2002 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -86,17 +86,17 @@ main (int argc, char **argv)
   if (argc < 2)
     {
       error (0, 0, _("too few arguments"));
-      usage (1);
+      usage (EXIT_FAILURE);
     }
 
   if (2 < argc)
     {
       error (0, 0, _("too many arguments"));
-      usage (1);
+      usage (EXIT_FAILURE);
     }
 
   if (unlink (argv[1]) != 0)
     error (EXIT_FAILURE, errno, _("cannot unlink %s"), quote (argv[1]));
 
-  exit (0);
+  exit (EXIT_SUCCESS);
 }