#include <QtCore/qglobal.h>
#include <QtCore/qbytearray.h>

int test()
{

    qEnvironmentVariableIsEmpty("Foo");
    bool b = qEnvironmentVariableIsSet("Foo");
    QByteArray ba = qgetenv("Foo");
    int a = qEnvironmentVariableIntValue("Foo");
    return 0;
}