C Graphics code for Imagesize

#include <stdio.h>
#include <graphics.h>
#include <conio.h>

main()
{
   int gd = DETECT, gm, bytes;
   char array[100];

   initgraph(&gd, &gm, "C:\\TC\\BGI");

   circle(200, 200, 50);
   line(150, 200, 250, 200);
   line(200, 150, 200, 250);

   bytes = imagesize(150, 150, 250, 250);
   sprintf(array, "Number of bytes required to store required area = %d", bytes);
   outtextxy(10, 280, array);

   getch();
   closegraph();
   return 0;
}