Function cuvsIvfFlatSearch 

pub unsafe extern "C" fn cuvsIvfFlatSearch(
    res: cuvsResources_t,
    search_params: cuvsIvfFlatSearchParams_t,
    index: cuvsIvfFlatIndex_t,
    queries: *mut DLManagedTensor,
    neighbors: *mut DLManagedTensor,
    distances: *mut DLManagedTensor,
    filter: cuvsFilter,
) -> cuvsError_t