code: func SetConsoleCursorPosition(handle uintptr, coord COORD) error {
  	r1, r2, err := setConsoleCursorPositionProc.Call(handle, coordToPointer(coord))
  	use(coord)
  	return checkError(r1, r2, err)
  }
docs: // SetConsoleCursorPosition location of the console cursor.
  // See https://msdn.microsoft.com/en-us/library/windows/desktop/ms686025(v=vs.85).aspx.