21点牌

使用C语言中顺序，选择，循环（三大结构）和随机函数，实现对一副牌（52张，除大小王）的初始化，洗牌，发牌，是否要牌，计算一次胜负并亮牌，计算总胜负等功能。

-21:00 licensing the use of C language in the order of selection, cycle (three structures) and the random function, implementation of a pair of license (52, with the exception of the size of Wang) initialization, cards, licensing, whether or not to license, computing a victory and bright card, which is total victory or defeat functions.