c语言编写，适合初学者的趣味小程序。用j、l、i、k四键控制老鼠在任意方向偷菜，老鼠沿任意复杂路线走到出口，老鼠遇见猫后可逃到出口而不迷路。-c language, suitable for beginners interesting small programs. With j, l, i, k four-button control mice stealing food in any direction, the mice went