screen_width      140 ext/gd/libgd/gd_gif_in.c 	int             imw, imh, screen_width, screen_height;
screen_width      176 ext/gd/libgd/gd_gif_in.c 	screen_width = imw = LM_to_uint(buf[0],buf[1]);
screen_width      223 ext/gd/libgd/gd_gif_in.c 		if (left + width > screen_width || top + height > screen_height) {