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****************************************************************************/

//! [0]
QFile file;
QDir::setCurrent("/tmp");
file.setFileName("readme.txt");
QDir::setCurrent("/home");
file.open(QIODevice::ReadOnly);      // opens "/home/readme.txt" under Unix
//! [0]


//! [1]
QByteArray myEncoderFunc(const QString &fileName);
//! [1]


//! [2]
QString myDecoderFunc(const QByteArray &localFileName);
//! [2]


//! [3]
#include <stdio.h>

void printError(const char* msg)
{
    QFile file;
    file.open(stderr, QIODevice::WriteOnly);
    file.write(msg, qstrlen(msg));        // write to stderr
    file.close();
}
//! [3]


//! [4]
CONFIG += console
//! [4]