#include <QtGui/qpixmap.h>
#ifndef QPIXMAP_H
class QPixmap: public QPaintDevice{
   /* Some contents are skipped to improve readability */
   public: bool loadFromData(uchar const * buf, uint len, char const * format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
   /* ... */
};
#endif // QPIXMAP_H