rem: *flags = 1;
add: *flags |= 1;
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_connbytes_info *sinfo = (struct ipt_connbytes_info *)(*match)->data;	unsigned long i;	switch (c) {	case '1':		if (check_inverse(optarg, &invert, optind, 0))			optind++;		parse_range(argv[optind-1], sinfo);		if (invert) {			i = sinfo->from;			sinfo->from = sinfo->to;			sinfo->to = i;		}		*flags = 1;		break;	default:		return 0;	}	return 1;}