IPV6_PKTINFO
messageHeader->cmsg_type = IPV6_PKTINFO;
SOCKET_OPTION_INFO_ENTRY(IPPROTO_IPV6, IPV6_PKTINFO),
setsockopt(dummy, IPPROTO_IPV6, IPV6_PKTINFO,
if (setsockopt(srecv, IPPROTO_IPV6, IPV6_PKTINFO, &optval,
cm->cmsg_type == IPV6_PKTINFO &&
scmsgp->cmsg_type = IPV6_PKTINFO;
cm->cmsg_type == IPV6_PKTINFO &&