ipfw_insn_limit
ipfw_insn_limit *c = (ipfw_insn_limit *)cmd;
ipfw_insn_limit *c = (ipfw_insn_limit *)cmd;
cmd->len = F_INSN_SIZE(ipfw_insn_limit);
ipfw_insn_limit *cmd, struct ip_fw_args *args, const struct tcphdr *tcp)
(ipfw_insn_limit *)cmd, args, lc.tcp);
if (cmdlen != F_INSN_SIZE(ipfw_insn_limit))