一个自己编写的21点小程序，点击选项可以发牌，电脑明牌一张，电脑自动选择不超过21点的最大的牌。基于SDL库。-21:00 I have written a small program, click the option to licensing, winning numbers a computer, the computer automatically selects the maximum of not more than 21-point card. Based on the SDL l