rem: AUTHORS, usage);
add: usage, AUTHORS, (char const *) NULL); if (getopt_long (argc, argv, "", NULL, NULL) != -1) usage (EXIT_FAILURE);
context: main (int argc, char **argv){  char *wd;  program_name = argv[0];  setlocale (LC_ALL, "");  bindtextdomain (PACKAGE, LOCALEDIR);  textdomain (PACKAGE);  atexit (close_stdout);  parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,		      AUTHORS, usage);  if (argc != 1)    error (0, 0, _("ignoring non-option arguments"));  wd = xgetcwd ();  if (wd == NULL)    error (EXIT_FAILURE, errno, _("cannot get current directory"));  printf ("%s\n", wd);  exit (EXIT_SUCCESS);}