#include <QtNetwork/qudpsocket.h>
#ifndef QUDPSOCKET_H
#ifndef QT_NO_UDPSOCKET
class QUdpSocket: public QAbstractSocket{
   /* Some contents are skipped to improve readability */
   private: class QUdpSocket& operator =(class QUdpSocket const &);
   /* ... */
};
#endif // QT_NO_UDPSOCKET
#endif // QUDPSOCKET_H