jp2c_box_id       685 ext/standard/image.c 	char jp2c_box_id[] = {(char)0x6a, (char)0x70, (char)0x32, (char)0x63};
jp2c_box_id       710 ext/standard/image.c 		if (!memcmp(&box_type, jp2c_box_id, 4))