screen_height 140 ext/gd/libgd/gd_gif_in.c int imw, imh, screen_width, screen_height; screen_height 177 ext/gd/libgd/gd_gif_in.c screen_height = imh = LM_to_uint(buf[2],buf[3]); screen_height 223 ext/gd/libgd/gd_gif_in.c if (left + width > screen_width || top + height > screen_height) {