Program to draw a a line.

using turboc++
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//drawing triangle
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
void main()
{
clrscr();
int gdriver, gmode;    //variables declaration
gdriver=DETECT;        // detection of graphics driver

initgraph(&gdriver, &gmode, "c:\\tc\\BGI");
line(500,100,300,200);//draws line of two co-ordinates .

getch();          //gets one character from user and closes the graphics.
closegraph();     //closes graphics.h
}