AlpcpQueryHeadLargeQueue

_QWORD *__fastcall AlpcpQueryHeadLargeQueue(INT64 a1){
  _QWORD **v1; 
  _QWORD *result; 
  v1 = (_QWORD **)(a1 + 160);
  result = *v1;
  if( *v1 == v1 || !result )
    return 0i64;
  return result;
}

Referenced by:

AlpcpReceiveMessagePort