void CMSEXPORT cmsSetDeviceClass(cmsHPROFILE hProfile, cmsProfileClassSignature sig)
{
    _cmsICCPROFILE*  Icc = (_cmsICCPROFILE*) hProfile;
    Icc -> DeviceClass = sig;
}
void CMSEXPORT cmsSetDeviceClass(cmsHPROFILE hProfile, cmsProfileClassSignature sig)
{
    _cmsICCPROFILE*  Icc = (_cmsICCPROFILE*) hProfile;
    Icc -> DeviceClass = sig;
}