Function zvec_index_params_get_ivf_params 

pub unsafe extern "C" fn zvec_index_params_get_ivf_params(
    params: *const zvec_index_params_t,
    out_n_list: *mut c_int,
    out_n_iters: *mut c_int,
    out_use_soar: *mut bool,
) -> zvec_error_code_t