Function b2CollideChainSegmentAndCircle 

pub unsafe extern "C" fn b2CollideChainSegmentAndCircle(
    segmentA: *const b2ChainSegment,
    xfA: b2Transform,
    circleB: *const b2Circle,
    xfB: b2Transform,
) -> b2Manifold

Compute the contact manifold between a chain segment and a circle