pub unsafe extern "C" fn graphene_euler_init_from_matrix(
e: *mut graphene_euler_t,
m: *const graphene_matrix_t,
order: graphene_euler_order_t,
) -> *mut graphene_euler_t
pub unsafe extern "C" fn graphene_euler_init_from_matrix(
e: *mut graphene_euler_t,
m: *const graphene_matrix_t,
order: graphene_euler_order_t,
) -> *mut graphene_euler_t