Function cusparseSnnz_compress 

pub unsafe fn cusparseSnnz_compress(
    handle: cusparseHandle_t,
    m: c_int,
    descr: cusparseMatDescr_t,
    csrSortedValA: *const f32,
    csrSortedRowPtrA: *const c_int,
    nnzPerRow: *mut c_int,
    nnzC: *mut c_int,
    tol: f32,
) -> cusparseStatus_t