291 _getopt_initialize (optstring)  in _getopt_initialize()  argument
292      const char *optstring;  in _getopt_initialize()
304   if (optstring[0] == '-')
307       ++optstring;
309   else if (optstring[0] == '+')
312       ++optstring;
319   return optstring;
379 _getopt_internal (argc, argv, optstring, longopts, longind, long_only)  in _getopt_internal()  argument
382      const char *optstring;
390     optstring = _getopt_initialize (optstring);
483 	  || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
569 		  return optstring[0] == ':' ? ':' : '?';
588 	  || my_index (optstring, *nextchar) == NULL)
611     char *temp = my_index (optstring, c);
660 		if (optstring[0] == ':')
677 getopt (argc, argv, optstring)  in getopt()  argument
680      const char *optstring;
682   return _getopt_internal (argc, argv, optstring,