ObjFW  Diff

	ssize_t ret;
	uint8_t protocolType;
	struct iovec iov[2] = {
		{ &protocolType, 1 },
		{ buffer, length }
	};
	struct msghdr msg = {
		.msg_name = (sender != NULL
		.msg_name = (struct sockaddr *)&sender->sockaddr,
		.msg_namelen = (socklen_t)sizeof(sender->sockaddr),
		    ? (struct sockaddr *)&sender->sockaddr : NULL),
		.msg_namelen = (sender != NULL
		    ? (socklen_t)sizeof(sender->sockaddr) : 0),
		.msg_iov = iov,
		.msg_iovlen = 2
	};

	if (_socket == OFInvalidSocketHandle)
		@throw [OFNotOpenException exceptionWithObject: self];

	if ((ret = recvmsg(_socket, &msg, 0)) < 0)
		@throw [OFReadFailedException
		    exceptionWithObject: self
			requestedLength: length
				  errNo: OFSocketErrNo()];

	if (ret < 1 || protocolType != _protocolType)
		@throw [OFReadFailedException exceptionWithObject: self
						  requestedLength: length
							    errNo: ENOMSG];

	if (sender != NULL) {
	sender->length = msg.msg_namelen;
	sender->family = OFSocketAddressFamilyAppleTalk;
		sender->length = msg.msg_namelen;
		sender->family = OFSocketAddressFamilyAppleTalk;
	}

	return ret - 1;
}

- (void)sendBuffer: (const void *)buffer
	    length: (size_t)length
	  receiver: (const OFSocketAddress *)receiver