B

B: b2AABB; b2BlockAllocator; b2Body; b2BodyDef; b2BodyUserData; b2BroadPhase; b2ChainShape; b2CircleShape; b2ClipVertex; b2Color; b2Contact; b2ContactEdge; b2ContactFeature; b2ContactFilter; b2ContactID; b2ContactImpulse; b2ContactListener; b2ContactManager; b2ContactRegister; b2DestructionListener; b2DistanceInput; b2DistanceJoint; b2DistanceJointDef; b2DistanceOutput; b2DistanceProxy; b2Draw; b2DynamicTree; b2EdgeShape; b2Filter; b2Fixture; b2FixtureDef; b2FixtureProxy; b2FixtureUserData; b2FrictionJoint; b2FrictionJointDef; b2GearJoint; b2GearJointDef; b2GrowableStack; b2Hull; b2Jacobian; b2Joint; b2JointDef; b2JointEdge; b2JointUserData; b2Manifold; b2ManifoldPoint; b2MassData; b2Mat22; b2Mat33; b2MotorJoint; b2MotorJointDef; b2MouseJoint; b2MouseJointDef; b2Pair; b2PolygonShape; b2Position; b2PrismaticJoint; b2PrismaticJointDef; b2Profile; b2PulleyJoint; b2PulleyJointDef; b2QueryCallback; b2RayCastCallback; b2RayCastInput; b2RayCastOutput; b2RevoluteJoint; b2RevoluteJointDef; b2Rope; b2RopeDef; b2RopeTuning; b2Rot; b2Shape; b2ShapeCastInput; b2ShapeCastOutput; b2SimplexCache; b2SolverData; b2StackAllocator; b2StackEntry; b2Sweep; b2Timer; b2TimeStep; b2TOIInput; b2TOIOutput; b2Transform; b2TreeNode; b2Vec2; b2Vec3; b2Velocity; b2Version; b2WeldJoint; b2WeldJointDef; b2WheelJoint; b2WheelJointDef; b2World; b2WorldManifold