private CopyThread fromThread;
public TcpInoutCommand() {
super(help_super);
argHost = new HostNameArgument("host", Argument.OPTIONAL, help_host);
argPort = new PortNumberArgument("port", Argument.OPTIONAL, help_port);
argLocalPort = new PortNumberArgument("localPort", Argument.OPTIONAL, help_lport);
registerArguments(argHost, argLocalPort, argPort);
}