42 	struct msghdr msg;  in send_to_from()
67 	memset(&msg, 0, sizeof(msg));  in send_to_from()
68 	msg.msg_name = (void *)(struct sockaddr *)to; /* or compiler will annoy us */  in send_to_from()
69 	msg.msg_namelen = tolen;  in send_to_from()
70 	msg.msg_iov = iov;  in send_to_from()
71 	msg.msg_iovlen = 1;  in send_to_from()
72 	msg.msg_control = &u;  in send_to_from()
73 	msg.msg_controllen = sizeof(u);  in send_to_from()
74 	msg.msg_flags = flags;  in send_to_from()
76 	cmsgptr = CMSG_FIRSTHDR(&msg);  in send_to_from()
109 	msg.msg_controllen = cmsgptr->cmsg_len;  in send_to_from()
111 	return sendmsg(fd, &msg, flags);  in send_to_from()
137 	struct msghdr msg;  in recv_from_to()
143 	memset(&msg, 0, sizeof(msg));  in recv_from_to()
144 	msg.msg_name = (struct sockaddr *)from;  in recv_from_to()
145 	msg.msg_namelen = sa_size;  in recv_from_to()
146 	msg.msg_iov = iov;  in recv_from_to()
147 	msg.msg_iovlen = 1;  in recv_from_to()
148 	msg.msg_control = &u;  in recv_from_to()
149 	msg.msg_controllen = sizeof(u);  in recv_from_to()
151 	recv_length = recvmsg(fd, &msg, flags);  in recv_from_to()
158 	for (cmsgptr = CMSG_FIRSTHDR(&msg);  in recv_from_to()
160 			cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)  in recv_from_to()