Function cuvsTieredIndexMerge 

pub unsafe extern "C" fn cuvsTieredIndexMerge(
    res: cuvsResources_t,
    index_params: cuvsTieredIndexParams_t,
    indices: *mut cuvsTieredIndex_t,
    num_indices: usize,
    output_index: cuvsTieredIndex_t,
) -> cuvsError_t

@defgroup tiered_c_index_merge Tiered index merge @{ / /** @brief Merge multiple indices together into a single index

@param[in] res cuvsResources_t opaque C handle @param[in] index_params Index parameters to use when merging @param[in] indices pointers to indices to merge together @param[in] num_indices the number of indices to merge @param[out] output_index the merged index @return cuvsError_t