Introduction - If you have any usage issues, please Google them yourself
Use Visual C++ 6.0 to debug, opened first CD of snake_main. DSW files, and then use Build order an debugging.
void main()
{
//welcome to play the game
graph_welcome()
//delay
Sleep(1000)
//the game page layout view
graph_game()
//initialize the snake and food
initial()
//begin the game
begin_game()
}//end main