IPV6_FW_TCPF_URG
if (chain->fw_tcpf & IPV6_FW_TCPF_URG) PRINTFLG("urg");
if (chain->fw_tcpnf & IPV6_FW_TCPF_URG) PRINTFLG("!urg");
{ "urg", IPV6_FW_TCPF_URG }