#include <QtCore/qiodevice.h>
#ifndef QIODEVICE_H
class QIODevice: public QObject{
   /* Some contents are skipped to improve readability */
#ifdef QT_NO_QOBJECT
#else
   protected: QIODevice(struct QIODevicePrivate& dd, class QObject* parent = 0);
#endif
   /* ... */
};
#endif // QIODEVICE_H