printf ("%s\n", catgets(catalog, 1, 6, "sample 6")); printf ("%s\n", catgets(catalog, 1, 7, "sample 7"));
main (void){  nl_catd catalog;  setlocale (LC_ALL, "");  printf ("LC_MESSAGES = %s\n", setlocale (LC_MESSAGES, NULL));  catalog = catopen ("sample", NL_CAT_LOCALE);  if (catalog == (nl_catd) -1)    {      printf ("no catalog: %m\n");      exit (1);    }  printf ("%s\n", catgets(catalog, 1, 1, "sample 1"));  printf ("%s\n", catgets(catalog, 1, 2, "sample 2"));  printf ("%s\n", catgets(catalog, 1, 3, "sample 3"));  printf ("%s\n", catgets(catalog, 1, 4, "sample 4"));  printf ("%s\n", catgets(catalog, 1, 5, "sample 5"));  catclose (catalog);  return 0;}