# // PerformAction < PCHAR 'Out, INT Len, PCHAR In, ULONG Rq_flags > -> 1 | 0      
+
  ULONG Result = SysPerformAction (Out, Len, In, Rq_flags)

  if (Result == NO_ERROR)
  +
    PrintString ("All done." "\n")
  ;
  else 
  +
    HandleError (Result)
  ;

  return Result
;