linerel

#include<graphics.h>
#include<conio.h>
 
main()
{
   int gd = DETECT, gm;
 
   initgraph(&gd, &gm, "C:\\TC\\BIN");
 
   moveto(250, 250);
   linerel(100, -100);
 
   getch();
   closegraph();
   return 0;
}