pub unsafe extern "C" fn gtk_tree_model_sort_convert_child_iter_to_iter(
tree_model_sort: *mut GtkTreeModelSort,
sort_iter: *mut GtkTreeIter,
child_iter: *mut GtkTreeIter
) -> gboolean
pub unsafe extern "C" fn gtk_tree_model_sort_convert_child_iter_to_iter(
tree_model_sort: *mut GtkTreeModelSort,
sort_iter: *mut GtkTreeIter,
child_iter: *mut GtkTreeIter
) -> gboolean