typedef void (*SilcGetClientCallback)(SilcClient client,
                                          SilcClientConnection conn,
                                          SilcClientEntry *clients,
                                          SilcUInt32 clients_count,
                                          void *context);

    Callback function given to the silc_client_get_client function. The
    found entries are allocated into the `clients' array. The array must
    not be freed by the receiver, the library will free it later. If the
    `clients' is NULL, no such clients exist in the SILC Network.