#include "SDL_prims.h"

int main(int argc, char *argv[])
{
  int r;
  SDL_Surface *screen;
  SDL_Init(SDL_INIT_VIDEO);
  screen= SDL_SetVideoMode(640, 480, 32, SDL_HWSURFACE | SDL_DOUBLEBUF);

  for (r = 0; r < 50; r++)
    SDL_DrawCircle(screen, r * 10 + 10, 300, r, 0xffffffff);
  
  SDL_Flip(screen);
  
  while (1)
    {
      SDL_Event event;
      SDL_WaitEvent(&event);
      if (event.type == SDL_QUIT) break;
    }
  
  SDL_Quit();
  return 0;
}