采用纯C语言图形编程实现一个俄罗斯方块的游戏，界面精美，功能完善，可以自由选择游戏的难度和等级。很好的利用了Graphics这个库提供的各种图形函数进行界面编程-Pure C graphical programming language to implement a Tetris game, interface, beautiful, functional, are free to choose the game difficulty and level. Good use of the Graphics of this library provides a variety of graphical programming interface function