#include <QtNetwork/qftp.h>
#ifndef QFTP_H
#ifndef QT_NO_FTP
class QFtp: public QObject{
   /* Some contents are skipped to improve readability */
   public: qint64 read(char* data, qint64 maxlen);
   /* ... */
};
#endif // QT_NO_FTP
#endif // QFTP_H