贪食蛇程序，用c语言编程，只能用c编译软件运行，（如turboC等）需先设置BGi所在的文件夹，如程序中的D:\\TCPP\\BGI-Snake program, with c language programming c compiler software can only run, (such as turboC, etc.) should first set the folder where BGi, such as the procedures in the D: \ \ TCPP \ \ BGI