Example fuzz handler: fuzz_gif() from fuzz.c

static int fuzz_gif(struct client_state *csp, char *fuzz_input_file)
{
   char *deanimated_gif;

   if (6 < csp->iob->size)
   {
      /* Why yes of course, officer, this is a gif. */
      memcpy(csp->iob->cur, "GIF87a", 6);
   }

   /* Using the last image requires parsing of all images */
   csp->action->string[ACTION_STRING_DEANIMATE] = "last";
   deanimated_gif = gif_deanimate_response(csp);
   if (NULL != deanimated_gif)
   {
      free(deanimated_gif);
      return 0;
   }

   return 1;

}