524     struct cmsghdr  *cmptr;  in recvfrom_flags()  local
575     for (cmptr = CMSG_FIRSTHDR(&msg); cmptr != NULL;  in recvfrom_flags()
576          cmptr = CMSG_NXTHDR(&msg, cmptr)) {  in recvfrom_flags()
587         if (cmptr->cmsg_level == IPPROTO_IP &&   in recvfrom_flags()
588             cmptr->cmsg_type == IP_PKTINFO) {  in recvfrom_flags()
592             tmp = (struct in_pktinfo *) CMSG_DATA(cmptr);  in recvfrom_flags()
602         if (cmptr->cmsg_level == IPPROTO_IP &&  in recvfrom_flags()
603             cmptr->cmsg_type == IP_RECVDSTADDR) {  in recvfrom_flags()
607             sin->sin_addr = *(struct in_addr*)CMSG_DATA(cmptr);  in recvfrom_flags()
614         if (cmptr->cmsg_level == IPPROTO_IP &&  in recvfrom_flags()
615             cmptr->cmsg_type == IP_RECVIF) {  in recvfrom_flags()
616             struct sockaddr_dl  *sdl = (struct sockaddr_dl *) CMSG_DATA(cmptr);  in recvfrom_flags()
634         if (cmptr->cmsg_level == IPPROTO_IP &&  in recvfrom_flags()
635             cmptr->cmsg_type == IP_RECVTTL) {  in recvfrom_flags()
636 			*ttl = *(u_char*)CMSG_DATA(cmptr);  in recvfrom_flags()
639         else if (cmptr->cmsg_level == IPPROTO_IP &&  in recvfrom_flags()
640 …   cmptr->cmsg_type == IP_TTL) {		// some implementations seem to send IP_TTL instead of IP_RECVTTL  in recvfrom_flags()
641 			*ttl = *(int*)CMSG_DATA(cmptr);  in recvfrom_flags()
647 		if (cmptr->cmsg_level == IPPROTO_IPV6 &&   in recvfrom_flags()
648             cmptr->cmsg_type  == IPV6_2292_PKTINFO) {  in recvfrom_flags()
650 			struct in6_pktinfo *ip6_info = (struct in6_pktinfo*)CMSG_DATA(cmptr);  in recvfrom_flags()
666         if (cmptr->cmsg_level == IPPROTO_IPV6 &&   in recvfrom_flags()
667             cmptr->cmsg_type == IPV6_2292_HOPLIMIT) {  in recvfrom_flags()
668 			*ttl = *(int*)CMSG_DATA(cmptr);  in recvfrom_flags()