pub unsafe extern "C" fn graphene_euler_init_from_quaternion(
e: *mut graphene_euler_t,
q: *const graphene_quaternion_t,
order: graphene_euler_order_t
) -> *mut graphene_euler_t
pub unsafe extern "C" fn graphene_euler_init_from_quaternion(
e: *mut graphene_euler_t,
q: *const graphene_quaternion_t,
order: graphene_euler_order_t
) -> *mut graphene_euler_t