IPV6_FW_IP6OPT_HOPOPT
if (chain->fw_ip6opt & IPV6_FW_IP6OPT_HOPOPT) PRINTOPT("hopopt");
if (chain->fw_ip6nopt & IPV6_FW_IP6OPT_HOPOPT) PRINTOPT("!hopopt");
if (!strncmp(p,"hopopt",strlen(p))) *d |= IPV6_FW_IP6OPT_HOPOPT;
opts &= ~IPV6_FW_IP6OPT_HOPOPT;
nopts &= ~IPV6_FW_IP6OPT_HOPOPT;