IP_HDRINCL
if (option == IP_HDRINCL) {
if (option == IP_HDRINCL) {
SOCKET_OPTION_INFO_ENTRY_TYPE(IPPROTO_IP, IP_HDRINCL, int),
setsockopt(ssend, IPPROTO_IP, IP_HDRINCL, &hold, sizeof(hold));
#if !defined(IP_HDRINCL) && defined(IP_TTL)
#ifdef IP_HDRINCL
if (setsockopt(sndsock, IPPROTO_IP, IP_HDRINCL, (char *)&on,
if (setsockopt(sockfd, IPPROTO_IP, IP_HDRINCL, val, sizeof(int)) != 0) {