134 static void printpacket(struct msghdr *msg, int res,  in printpacket()  argument
139 	struct sockaddr_in *from_addr = (struct sockaddr_in *)msg->msg_name;  in printpacket()
152 	       msg->msg_controllen);  in printpacket()
153 	for (cmsg = CMSG_FIRSTHDR(msg);  in printpacket()
155 	     cmsg = CMSG_NXTHDR(msg, cmsg)) {  in printpacket()
263 	struct msghdr msg;  in recvpacket()  local
272 	memset(&msg, 0, sizeof(msg));  in recvpacket()
273 	msg.msg_iov = &entry;  in recvpacket()
274 	msg.msg_iovlen = 1;  in recvpacket()
277 	msg.msg_name = (caddr_t)&from_addr;  in recvpacket()
278 	msg.msg_namelen = sizeof(from_addr);  in recvpacket()
279 	msg.msg_control = &control;  in recvpacket()
280 	msg.msg_controllen = sizeof(control);  in recvpacket()
282 	res = recvmsg(sock, &msg, recvmsg_flags|MSG_DONTWAIT);  in recvpacket()
289 		printpacket(&msg, res, data,  in recvpacket()