GLIBC_2.0 {
  global:
    _gethtbyaddr; _gethtbyname; _gethtbyname2; _gethtent; _getlong;
    _getshort; _res_opcodes; _res_resultcodes; _sethtent; dn_expand;
    inet_net_ntop; inet_net_pton; inet_neta; res_gethostbyaddr;
    res_gethostbyname; res_gethostbyname2; res_mkquery; res_query;
    res_querydomain; res_search; res_send_setqhook; res_send_setrhook;
    __res_dnok; __res_hnok; __p_class; __hostalias; __dn_skipname;
    __p_type;

  local:
    *;
};