Function newton_sys::NewtonConstraintCreateUserJoint

pub unsafe extern "C" fn NewtonConstraintCreateUserJoint(
    newtonWorld: *const NewtonWorld, 
    maxDOF: c_int, 
    callback: NewtonUserBilateralCallback, 
    childBody: *const NewtonBody, 
    parentBody: *const NewtonBody
) -> *mut NewtonJoint