81 	int fd;  in get_socket()  local
83 	fd = socket(family, proto == IPPROTO_TCP ? SOCK_STREAM : SOCK_DGRAM,  in get_socket()
85 	if (fd < 0) {  in get_socket()
89 	return fd;  in get_socket()
92 static int bind_device(int fd, const char *interface, void *addr, int len,  in bind_device()  argument
101 	if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,  in bind_device()
107 	setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));  in bind_device()
116 		printf("Socket %d binding to %s\n", fd,  in bind_device()
122 		printf("Socket %d binding to %s\n", fd,  in bind_device()
128 	ret = bind(fd, (struct sockaddr *)addr, len);  in bind_device()
134 static int receive(int fd, unsigned char *buf, int buflen,  in receive()  argument
140 		ret = recvfrom(fd, buf, buflen, 0, addr, addrlen);  in receive()
146 		ret = read(fd, buf, buflen);  in receive()
159 static int reply(int fd, unsigned char *buf, int buflen,  in reply()  argument
165 		ret = sendto(fd, buf, buflen, 0, addr, addrlen);  in reply()
173 			ret = write(fd, buf + sent, buflen - sent);  in reply()
514 		int fd;  in main()  local
528 		fd = MAX(tcp4, tcp6);  in main()
533 			fd = MAX(fd, accepted4);  in main()
538 			fd = MAX(fd, accepted6);  in main()
541 		ret = select(fd + 1, &rfds, NULL,  in main()