Function cusparseXcscsort_bufferSizeExt 

pub unsafe extern "C" fn cusparseXcscsort_bufferSizeExt(
    handle: cusparseHandle_t,
    m: c_int,
    n: c_int,
    nnz: c_int,
    cscColPtrA: *const c_int,
    cscRowIndA: *const c_int,
    pBufferSizeInBytes: *mut size_t,
) -> cusparseStatus_t