extern tree hook_tree_tree_tree_null (tree, tree);
extern tree hook_tree_tree_tree_tree_null (tree, tree, tree);
extern tree hook_tree_tree_tree_tree_3rd_identity (tree, tree, tree);
-extern tree hook_tree_tree_tree_bool_null (tree, tree, bool);
+extern tree hook_tree_tree_int_treep_bool_null (tree, int, tree *, bool);
extern unsigned hook_uint_uint_constcharptrptr_0 (unsigned, const char **);