extern int font_unparse_fcname (Lisp_Object font, int pixel_size,
char *name, int bytes);
extern void register_font_driver (struct font_driver *driver, FRAME_PTR f);
extern void free_font_driver_list (FRAME_PTR f);
extern Lisp_Object font_update_drivers (FRAME_PTR f, Lisp_Object list);
extern int font_unparse_fcname (Lisp_Object font, int pixel_size,
char *name, int bytes);
extern void register_font_driver (struct font_driver *driver, FRAME_PTR f);
extern void free_font_driver_list (FRAME_PTR f);
extern Lisp_Object font_update_drivers (FRAME_PTR f, Lisp_Object list);