189 	struct sockaddr_in sin;  in tcp_setup()  local
195 	bzero(&sin, sizeof(sin));  in tcp_setup()
196 	sin.sin_len = sizeof(sin);  in tcp_setup()
197 	sin.sin_family = AF_INET;  in tcp_setup()
198 	sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);  in tcp_setup()
199 	sin.sin_port = htons(port);  in tcp_setup()
201 	if (bind(listen_sock, (struct sockaddr *)&sin, sizeof(sin)) < 0)  in tcp_setup()
219 	struct sockaddr_in sin;  in tcp_pair()  local
226 	bzero(&sin, sizeof(sin));  in tcp_pair()
227 	sin.sin_len = sizeof(sin);  in tcp_pair()
228 	sin.sin_family = AF_INET;  in tcp_pair()
229 	sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);  in tcp_pair()
230 	sin.sin_port = htons(port);  in tcp_pair()
232 	if (connect(connect_sock, (struct sockaddr *)&sin, sizeof(sin)) < 0)  in tcp_pair()
237 	len = sizeof(sin);  in tcp_pair()
238 	accept_sock = accept(listen_sock, (struct sockaddr *)&sin, &len);  in tcp_pair()