#include <QtGui>#include <iostream>#include "tripserver.h"using namespace std;int main(int argc, char *argv[]){    QApplication app(argc, argv);    TripServer server;    if (!server.listen(QHostAddress::Any, 6178)) {        cerr << "Failed to bind to port" << endl;        return 1;    }    QPushButton quitButton(QObject::tr("&Quit"));    quitButton.setWindowTitle(QObject::tr("Trip Server"));    QObject::connect(&quitButton, SIGNAL(clicked()),                     &app, SLOT(quit()));    quitButton.show();    return app.exec();}