rem: if (check_inverse(optarg, &invert)) optind++;
add: check_inverse(optarg, &invert, &optind, 0);
context: parse(int c, char **argv, int invert, unsigned int *flags,      const struct ipt_entry *entry,      unsigned int *nfcache,      struct ipt_entry_match **match){	struct ipt_iplimit_info *info = (struct ipt_iplimit_info*)(*match)->data;	if (0 == (*flags & 2)) {		/* set default mask unless we've already seen a mask option */		info->mask = htonl(0xFFFFFFFF);	}	switch (c) {	case '1':		if (check_inverse(optarg, &invert))			optind++;		info->limit = atoi(argv[optind-1]);		info->inverse = invert;		*flags |= 1;		break;	case '2':		info->mask = htonl(0xFFFFFFFF << (32 - atoi(argv[optind-1])));		*flags |= 2;		break;	default:		return 0;	}	return 1;}