pub unsafe extern "C" fn graphene_rect_inset(
r: *mut graphene_rect_t,
d_x: c_float,
d_y: c_float,
) -> *mut graphene_rect_t
pub unsafe extern "C" fn graphene_rect_inset(
r: *mut graphene_rect_t,
d_x: c_float,
d_y: c_float,
) -> *mut graphene_rect_t