Function tinyspline_sys::ts_bspline_insert_knot

pub unsafe extern "C" fn ts_bspline_insert_knot(
    spline: *const tsBSpline, 
    u: tsReal, 
    num: usize, 
    result: *mut tsBSpline, 
    k: *mut usize, 
    status: *mut tsStatus
) -> tsError