79 int	peer;  variable
189 	peer = socket(from.sa.sa_family, SOCK_DGRAM, 0);  in main()
190 	if (peer < 0) {  in main()
194 	if (connect(peer, (struct sockaddr *)&from, sizeof(from)) < 0) {  in main()
372 		if (send(peer, dp, size + 4, confirmed) != size + 4) {  in sendfile()
380 			n = recv(peer, ackbuf, sizeof (ackbuf), 0);  in sendfile()
398 				synchnet(peer);  in sendfile()
437 		if (send(peer, ackbuf, 4, confirmed) != 4) {  in recvfile()
445 			n = recv(peer, dp, PKTSIZE, 0);  in recvfile()
461 				(void) synchnet(peer);  in recvfile()
479 	(void) send(peer, ackbuf, 4, confirmed);  in recvfile()
483 	n = recv(peer, buf, sizeof (buf), 0); /* normally times out and quits */  in recvfile()
488 		(void) send(peer, ackbuf, 4, 0);     /* resend final ack */  in recvfile()
535 	if (send(peer, buf, length, 0) != length)  in nak()