code: func GetHandPid(pid int32, args ...int32) C.MData {
  	var isHwnd int32
  	if len(args) > 0 {
  		isHwnd = args[0]
  	}
  
  	return C.set_handle_pid(C.uintptr(pid), C.uintptr(isHwnd))
  }
docs: // GetHandPid get handle mdata by pid