342 	int c, ret, fd, i = 0, timeout = -1, port = SERVER_PORT;  in main()  local
432 	fd = socket(family, SOCK_DGRAM, IPPROTO_UDP);  in main()
433 	if (fd < 0) {  in main()
445 		if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,  in main()
476 	ret = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT,  in main()
482 	ret = bind(fd, addr_recv, addr_len);  in main()
513 			ret = sendto(fd, data[i].buf, len, 0,  in main()
529 			FD_SET(fd, &rfds);  in main()
538 			ret = select(fd + 1, &rfds, NULL, NULL, &tv);  in main()
552 			} else if (!FD_ISSET(fd, &rfds)) {  in main()
558 			ret = recv(fd, buf, sizeof(buf), 0);  in main()
592 	close(fd);  in main()