#include <stdio.h>
#include <graphics.h>
#include <conio.h>
#include <process.h>
main()
{
int tar, modo;
detectgraph(&tar,&modo);
	if (tar == -2)
	{
	printf("NO HAY TARJETA GRAFICA");
	exit(0);
	}
initgraph(&tar,&modo,"c:\\aplics\\bc\\bgi");
if (graphresult())
	printf("%s",grapherrormsg(graphresult()));
line(0,0,getmaxx(),getmaxy());
setcolor(10);
line(10,10,250,250);
line(250,250,510,10);
line(510,10,10,10);
getch();
closegraph();
restorecrtmode();
return;
}