pub unsafe extern "C" fn gtk_tree_model_filter_convert_child_iter_to_iter(
filter: *mut GtkTreeModelFilter,
filter_iter: *mut GtkTreeIter,
child_iter: *mut GtkTreeIter
) -> gboolean
pub unsafe extern "C" fn gtk_tree_model_filter_convert_child_iter_to_iter(
filter: *mut GtkTreeModelFilter,
filter_iter: *mut GtkTreeIter,
child_iter: *mut GtkTreeIter
) -> gboolean