Function cusparseCsr2cscEx2_bufferSize 

pub unsafe fn cusparseCsr2cscEx2_bufferSize(
    handle: cusparseHandle_t,
    m: c_int,
    n: c_int,
    nnz: c_int,
    csrVal: *const c_void,
    csrRowPtr: *const c_int,
    csrColInd: *const c_int,
    cscVal: *mut c_void,
    cscColPtr: *mut c_int,
    cscRowInd: *mut c_int,
    valType: cudaDataType,
    copyValues: cusparseAction_t,
    idxBase: cusparseIndexBase_t,
    alg: cusparseCsr2CscAlg_t,
    bufferSize: *mut usize,
) -> cusparseStatus_t