133 	struct msghdr msg;  in send_fd()  local
145 	memset(&msg, 0, sizeof(msg));  in send_fd()
151 		msg.msg_accrights = (caddr_t)&fd;  in send_fd()
152 		msg.msg_accrightslen = sizeof(fd);  in send_fd()
154 		msg.msg_control = (caddr_t)cmsgbuf.buf;  in send_fd()
155 		msg.msg_controllen = sizeof(cmsgbuf.buf);  in send_fd()
156 		cmsg = CMSG_FIRSTHDR(&msg);  in send_fd()
166 	msg.msg_iov = &vec;  in send_fd()
167 	msg.msg_iovlen = 1;  in send_fd()
169 	if ((n = sendmsg(sock, &msg, 0)) == -1) {  in send_fd()
186 	struct msghdr msg;  in receive_fd()  local
199 	memset(&msg, 0, sizeof(msg));  in receive_fd()
202 	msg.msg_iov = &vec;  in receive_fd()
203 	msg.msg_iovlen = 1;  in receive_fd()
206 	msg.msg_accrights = (caddr_t)&fd;  in receive_fd()
207 	msg.msg_accrightslen = sizeof(fd);  in receive_fd()
209 	msg.msg_control = &cmsgbuf.buf;  in receive_fd()
210 	msg.msg_controllen = sizeof(cmsgbuf.buf);  in receive_fd()
213 	if ((n = recvmsg(sock, &msg, 0)) == -1)  in receive_fd()
220 		cmsg = CMSG_FIRSTHDR(&msg);  in receive_fd()
250 	struct msghdr msg;  in send_msg_with_cred()  local
264 	memset(&msg, 0, sizeof(struct msghdr));  in send_msg_with_cred()
265 	msg.msg_iov = &vec;  in send_msg_with_cred()
266 	msg.msg_iovlen = 1;  in send_msg_with_cred()
267 	msg.msg_control = (caddr_t)&cmsg;  in send_msg_with_cred()
268 	msg.msg_controllen = CMSG_SPACE(sizeof(struct cmsgcred));  in send_msg_with_cred()
273 	if ((n = sendmsg(sock, &msg, 0)) == -1) {  in send_msg_with_cred()
286 	struct msghdr msg = { .msg_name = NULL };  in receive_msg_with_cred()  local
296 	memset(&msg, 0, sizeof(msg));  in receive_msg_with_cred()
299 	msg.msg_iov = &vec;  in receive_msg_with_cred()
300 	msg.msg_iovlen = 1;  in receive_msg_with_cred()
302 	msg.msg_control = &cmsg;  in receive_msg_with_cred()
303 	msg.msg_controllen = sizeof(cmsg);  in receive_msg_with_cred()
306 		n = recvmsg(sock, &msg, 0);  in receive_msg_with_cred()
319 	cmp = CMSG_FIRSTHDR(&msg);  in receive_msg_with_cred()
333 		cmp = CMSG_NXTHDR(&msg, cmp);  in receive_msg_with_cred()