1-2.c

本书是单片机系列教材

/*1-2.c*/
     #include "graphics.h"
     main()
     {
           int gdriver=DETECT, gmode;
           initgraph(&gdriver, &gmode, "");
           circle(320,240,50);
           circle(320,240,80);
           circle(320,240,110);
           getch(); 
           closegraph(); 
        }