extern bool uses_parameter_packs (tree);
extern bool template_parameter_pack_p (const_tree);
extern tree make_pack_expansion (tree);
-extern bool check_for_bare_parameter_packs (tree*);
+extern bool check_for_bare_parameter_packs (tree);
extern tree get_template_info (tree);
extern int template_class_depth (tree);
extern int is_specialization_of (tree, tree);