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