IPV6_FW_MAX_PORTS
if (off + *cnt >= IPV6_FW_MAX_PORTS)
errx(1, "too many ports (max is %d)", IPV6_FW_MAX_PORTS);
if (IPV6_FW_GETNSRCP(frwl) + IPV6_FW_GETNDSTP(frwl) > IPV6_FW_MAX_PORTS) {
u_short fw_pts[IPV6_FW_MAX_PORTS]; /* Array of port numbers to match */