add: static struct iptables_match string = { .name          = "string", .version       = IPTABLES_VERSION, .size          = IPT_ALIGN(sizeof(struct ipt_string_info)), .userspacesize = IPT_ALIGN(sizeof(struct ipt_string_info)), .help          = &help, .init          = &init, .parse         = &parse, .final_check   = &final_check, .print         = &print, .save          = &save, .extra_opts    = opts };
context: save(const struct ipt_ip *ip, const struct ipt_entry_match *match){	printf("--string ");	print_string(((struct ipt_string_info *)match->data)->string,		  ((struct ipt_string_info *)match->data)->invert, 0);}