pub unsafe extern "C" fn clutter_rect_intersection(
a: *mut ClutterRect,
b: *mut ClutterRect,
res: *mut ClutterRect,
) -> gbooleanpub unsafe extern "C" fn clutter_rect_intersection(
a: *mut ClutterRect,
b: *mut ClutterRect,
res: *mut ClutterRect,
) -> gboolean