IopIsDescendantNode

UINT8 __stdcall IopIsDescendantNode(_RELATION_LIST *List, _DEVICE_OBJECT *DeviceObject){
  UINT8 result; 

  PipIsDeviceInDeviceObjectList();
  return result;
}

Referenced by:

PnpQueuePendingSurpriseRemoval
PnpUnlinkDeviceRemovalRelations