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