Function cusparseZgebsr2gebsc_bufferSizeExt 

pub unsafe extern "C" fn cusparseZgebsr2gebsc_bufferSizeExt(
    handle: cusparseHandle_t,
    mb: c_int,
    nb: c_int,
    nnzb: c_int,
    bsrSortedVal: *const cuDoubleComplex,
    bsrSortedRowPtr: *const c_int,
    bsrSortedColInd: *const c_int,
    rowBlockDim: c_int,
    colBlockDim: c_int,
    pBufferSize: *mut size_t,
) -> cusparseStatus_t