Function cusparseSpruneCsr2csr 

pub unsafe extern "C" fn cusparseSpruneCsr2csr(
    handle: cusparseHandle_t,
    m: c_int,
    n: c_int,
    nnzA: c_int,
    descrA: cusparseMatDescr_t,
    csrSortedValA: *const f32,
    csrSortedRowPtrA: *const c_int,
    csrSortedColIndA: *const c_int,
    threshold: *const f32,
    descrC: cusparseMatDescr_t,
    csrSortedValC: *mut f32,
    csrSortedRowPtrC: *const c_int,
    csrSortedColIndC: *mut c_int,
    pBuffer: *mut c_void,
) -> cusparseStatus_t