例4-2.c

王为青 刘变红 编著《C语言高级编程及实例剖析》源代码

/* Note:Your choice is C IDE */
#include <graphics.h>
#include <stdio.h>
main()
{
	int graphdriver=VGA;
	int graphmode=VGAHI;
	initgraph(&graphdriver,&graphmode,"");
	cleardevice();
	moveto(100,20);
	lineto(100,80);
	moveto(200,20);
	lineto(100,80);
	line(100,90,200,90);
	linerel(0,20);   
	moverel(-100,0);    
	linerel(30,20);
	getch();
	closegraph();
}