pub unsafe extern "C" fn graphene_quaternion_init(
q: *mut graphene_quaternion_t,
x: c_float,
y: c_float,
z: c_float,
w: c_float,
) -> *mut graphene_quaternion_t
pub unsafe extern "C" fn graphene_quaternion_init(
q: *mut graphene_quaternion_t,
x: c_float,
y: c_float,
z: c_float,
w: c_float,
) -> *mut graphene_quaternion_t