c2_sys
pub unsafe extern "C" fn c2TOI( A: *const c_void, typeA: C2_TYPE, ax_ptr: *const c2x, vA: c2v, B: *const c_void, typeB: C2_TYPE, bx_ptr: *const c2x, vB: c2v, use_radius: c_int, iterations: *mut c_int) -> f32