extern Lisp_Object access_keymap (Lisp_Object, Lisp_Object, int, int, int);
extern Lisp_Object get_keymap (Lisp_Object, int, int);
EXFUN (Fset_keymap_parent, 2);
-extern void describe_map_tree (Lisp_Object, int, Lisp_Object, Lisp_Object,
- const char *, int, int, int, int);
-extern int current_minor_maps (Lisp_Object **, Lisp_Object **);
+extern int describe_map_tree (Lisp_Object, int, Lisp_Object, Lisp_Object,
+ const char *, int, int, int, int);
+extern ptrdiff_t current_minor_maps (Lisp_Object **, Lisp_Object **);
extern void initial_define_key (Lisp_Object, int, const char *);
extern void initial_define_lispy_key (Lisp_Object, const char *, const char *);
extern void syms_of_keymap (void);