250   struct msghdr mhdr;  in coap_network_send()  local
258   memset(&mhdr, 0, sizeof(struct msghdr));  in coap_network_send()
259   mhdr.msg_name = (void *)&dst->addr;  in coap_network_send()
260   mhdr.msg_namelen = dst->size;  in coap_network_send()
262   mhdr.msg_iov = iov;  in coap_network_send()
263   mhdr.msg_iovlen = 1;  in coap_network_send()
270     mhdr.msg_control = buf;  in coap_network_send()
271     mhdr.msg_controllen = CMSG_SPACE(sizeof(struct in6_pktinfo));  in coap_network_send()
273     cmsg = CMSG_FIRSTHDR(&mhdr);  in coap_network_send()
299     mhdr.msg_control = buf;  in coap_network_send()
300     mhdr.msg_controllen = CMSG_SPACE(sizeof(struct in_pktinfo));  in coap_network_send()
302     cmsg = CMSG_FIRSTHDR(&mhdr);  in coap_network_send()
329   return sendmsg(ep->handle.fd, &mhdr, 0);  in coap_network_send()
417   struct msghdr mhdr;  in coap_network_read()  local
438   memset(&mhdr, 0, sizeof(struct msghdr));  in coap_network_read()
440   mhdr.msg_name = &(*packet)->src.addr.st;  in coap_network_read()
441   mhdr.msg_namelen = sizeof((*packet)->src.addr.st);  in coap_network_read()
443   mhdr.msg_iov = iov;  in coap_network_read()
444   mhdr.msg_iovlen = 1;  in coap_network_read()
446   mhdr.msg_control = msg_control;  in coap_network_read()
447   mhdr.msg_controllen = sizeof(msg_control);  in coap_network_read()
450   len = recvmsg(ep->handle.fd, &mhdr, 0);  in coap_network_read()
471     for (cmsg = CMSG_FIRSTHDR(&mhdr); cmsg; cmsg = CMSG_NXTHDR(&mhdr, cmsg)) {  in coap_network_read()
485 	(*packet)->src.size = mhdr.msg_namelen;  in coap_network_read()
488 	(*packet)->src.addr.sin6.sin6_family = SIN6(mhdr.msg_name)->sin6_family;  in coap_network_read()
489 	(*packet)->src.addr.sin6.sin6_addr = SIN6(mhdr.msg_name)->sin6_addr;  in coap_network_read()
490 	(*packet)->src.addr.sin6.sin6_port = SIN6(mhdr.msg_name)->sin6_port;  in coap_network_read()
508 	(*packet)->src.size = mhdr.msg_namelen;  in coap_network_read()
509 	memcpy(&(*packet)->src.addr.st, mhdr.msg_name, (*packet)->src.size);  in coap_network_read()