rem: exit (status == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
add: exit (status);
context: usage (int status){  if (status != 0)    fprintf (stderr, _("Try `%s --help' for more information.\n"),	     program_name);  else    {      printf (_("\Usage: %s [OPTION] [FILE]\n\Write totally ordered list consistent with the partial ordering in FILE.\n\With no FILE, or when FILE is -, read standard input.\n\\n\"), program_name);      fputs (HELP_OPTION_DESCRIPTION, stdout);      fputs (VERSION_OPTION_DESCRIPTION, stdout);      printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);    }  exit (status == 0 ? EXIT_SUCCESS : EXIT_FAILURE);}