Function graphene_sys::graphene_quad_init

pub unsafe extern "C" fn graphene_quad_init(
    q: *mut graphene_quad_t,
    p1: *const graphene_point_t,
    p2: *const graphene_point_t,
    p3: *const graphene_point_t,
    p4: *const graphene_point_t
) -> *mut graphene_quad_t