iokit/Kernel/IONVRAM.cpp

147     _ofImage    = _nvramImage + _ofPartitionOffset;
641   if (_ofImage == 0) return kIOReturnNotReady;
650       if (_ofImage[cnt] == '\0') break;
653       propName = _ofImage + cnt;
656 	if (_ofImage[cnt + propNameLength] == '=') break;
663       propData = _ofImage + cnt;
666 	if (_ofImage[cnt + propDataLength] == '\0') break;
705     owHeader = (OWVariablesHeader *)_ofImage;
706     if (!validateOWChecksum(_ofImage)) {
727 	propData = _ofImage + owHeader->owStrings[propOffset].offset -
776   if ((_ofImage == 0) || (_ofDict == 0)) return kIOReturnNotReady;
810       bcopy(buffer, _ofImage, _ofPartitionSize);
822     owHeaderOld = (OWVariablesHeader *)_ofImage;
876       bcopy(buffer, _ofImage, _ofPartitionSize);