OBJECT_HEADER_TO_PROCESS_INFO

_OBJECT_HEADER_PROCESS_INFO *__stdcall OBJECT_HEADER_TO_PROCESS_INFO(_OBJECT_HEADER *ObjectHeader){
  if( (ObjectHeader->InfoMask & 0x10) != 0 )
    return(_OBJECT_HEADER_PROCESS_INFO *)((char *)ObjectHeader
                                         - *((unsigned __int8 *)&dword_140C25D60 + (ObjectHeader->InfoMask & 0x1F)));
  else
    return 0i64;
}

Referenced by:

ObGetObjectInformation
ObpIncrementHandleCountEx