Function cusparseScsr2gebsr_bufferSize 

pub unsafe fn cusparseScsr2gebsr_bufferSize(
    handle: cusparseHandle_t,
    dirA: cusparseDirection_t,
    m: c_int,
    n: c_int,
    descrA: cusparseMatDescr_t,
    csrSortedValA: *const f32,
    csrSortedRowPtrA: *const c_int,
    csrSortedColIndA: *const c_int,
    rowBlockDim: c_int,
    colBlockDim: c_int,
    pBufferSizeInBytes: *mut c_int,
) -> cusparseStatus_t