GIF动画解码算法，用VC做的外壳，内部是纯C语言实现的算法，很有参考价值，尤其是可以参考做为嵌入式系统实现GIF动画。-An decode arithmetic for GIF animated cartoon. Its shell is made with VC, and internal arithmetic is implemented with pure C language. It has value to refer,especially we can refer to