libc {

  GLIBC_2.0 {

    # functions with required interface outside normal name space

    __ivaliduser; __check_rhosts_file; __rcmd_errstr;

    # variables in normal name space

    rexecoptions;

    # e*

    endaliasent; endhostent; endnetent; endnetgrent; endprotoent; endservent;

    # e*

    ether_aton; ether_aton_r; ether_hostton; ether_line; ether_ntoa;

    ether_ntoa_r; ether_ntohost;

    # g*

    getaliasbyname; getaliasbyname_r; getaliasent; getaliasent_r;

    getdomainname; gethostbyaddr; gethostbyaddr_r; gethostbyname;

    gethostbyname2; gethostbyname2_r; gethostbyname_r; gethostent;

    gethostent_r; getnetbyaddr; getnetbyaddr_r; getnetbyname;

    getnetbyname_r; getnetent; getnetent_r; getnetgrent; getnetgrent_r;

    getprotobyname; getprotobyname_r; getprotobynumber;

    getprotobynumber_r; getprotoent; getprotoent_r;

    getservbyname; getservbyname_r; getservbyport;

    getservbyport_r; getservent; getservent_r;

    # h*

    htonl; htons;

    # i*

    inet_addr; inet_aton; inet_lnaof; inet_makeaddr; inet_netof; inet_network;

    inet_nsap_addr; inet_nsap_ntoa; inet_ntoa; inet_ntop; inet_pton; innetgr;

    iruserok;

    # n*

    ntohl; ntohs;

    # r*

    rcmd; rexec; rresvport; ruserok; ruserpass;

    # s*

    setaliasent; setnetent; setnetgrent; setprotoent; setservent;

  }

  GLIBC_2.1 {

    # variables in normal name space

    in6addr_any; in6addr_loopback;

    # i*

    if_freenameindex; if_indextoname; if_nameindex; if_nametoindex;

  }

  GLIBC_2.1.2 {

    # g*

    getaliasbyname_r; getaliasent_r; gethostbyaddr_r; gethostbyname2_r;

    gethostbyname_r; gethostent_r; getnetbyaddr_r; getnetbyname_r;

    getnetent_r; getnetgrent_r; getprotobyname_r; getprotobynumber_r;

    getprotoent_r; getservbyname_r;

  }

  GLIBC_2.2 {

    # i*

    iruserok_af;

    # r*

    rcmd_af; rexec_af; rresvport_af; ruserok_af;

  }

  GLIBC_2.3 {

    # f*

    freeifaddrs;

    # g*

    getifaddrs;

  }

  GLIBC_2.3.3 {

    inet6_option_space; inet6_option_init; inet6_option_append;

    inet6_option_alloc; inet6_option_next; inet6_option_find;

  }

  GLIBC_2.3.4 {

    getipv4sourcefilter; setipv4sourcefilter;

    getsourcefilter; setsourcefilter;

  }

  GLIBC_2.5 {

    inet6_opt_init; inet6_opt_append; inet6_opt_finish; inet6_opt_set_val;

    inet6_opt_next; inet6_opt_find; inet6_opt_get_val;

    inet6_rth_space; inet6_rth_init; inet6_rth_add; inet6_rth_reverse;

    inet6_rth_segments; inet6_rth_getaddr;

  }

  GLIBC_PRIVATE {

    # functions used in other libraries

    __internal_endnetgrent; __internal_getnetgrent_r;

    __internal_setnetgrent;

    # Used from nscd.

    __inet6_scopeid_pton;

    __idna_to_dns_encoding;

    __idna_from_dns_encoding;

  }

}