Function cusparseDcsr2gebsr_bufferSizeExt 

pub unsafe extern "C" fn cusparseDcsr2gebsr_bufferSizeExt(
    handle: cusparseHandle_t,
    dirA: cusparseDirection_t,
    m: c_int,
    n: c_int,
    descrA: cusparseMatDescr_t,
    csrSortedValA: *const f64,
    csrSortedRowPtrA: *const c_int,
    csrSortedColIndA: *const c_int,
    rowBlockDim: c_int,
    colBlockDim: c_int,
    pBufferSize: *mut size_t,
) -> cusparseStatus_t