PORT1
inet_ntoa(sin.sin_addr), PORT1);
PORT1);
inet_ntoa(sin.sin_addr), PORT1);
setup_udp("udp_0send", fd, PORT1, PORT2);
setup_udp("udp_0write", fd, PORT1 + 10, PORT2 + 10);
setup_tcp("tcp_0send", fd, PORT1);
setup_tcp("tcp_0write", fd, PORT1 + 10);
inet_ntoa(sin.sin_addr), PORT1);