-/* FIXME: not implemented yet */
-void gtk_tree_model_sort_convert_iter (GtkTreeModelSort *tree_model_sort,
- GtkTreeIter *sort_iter,
- GtkTreeIter *child_iter);
+GtkTreeModel *gtk_tree_model_sort_get_model (GtkTreeModelSort *tree_model);
+GtkTreePath *gtk_tree_model_sort_convert_child_path_to_path (GtkTreeModelSort *tree_model_sort,
+ GtkTreePath *child_path);
+gboolean gtk_tree_model_sort_convert_child_iter_to_iter (GtkTreeModelSort *tree_model_sort,
+ GtkTreeIter *sort_iter,
+ GtkTreeIter *child_iter);
+GtkTreePath *gtk_tree_model_sort_convert_path_to_child_path (GtkTreeModelSort *tree_model_sort,
+ GtkTreePath *sorted_path);
+void gtk_tree_model_sort_convert_iter_to_child_iter (GtkTreeModelSort *tree_model_sort,
+ GtkTreeIter *child_iter,
+ GtkTreeIter *sorted_iter);
+void gtk_tree_model_sort_reset_default_sort_func (GtkTreeModelSort *tree_model_sort);
+void gtk_tree_model_sort_clear_cache (GtkTreeModelSort *tree_model_sort);
+gboolean gtk_tree_model_sort_iter_is_valid (GtkTreeModelSort *tree_model_sort,
+ GtkTreeIter *iter);