libc {

  GLIBC_2.0 {

    # e*

    endutent;

    # g*

    getlogin; getlogin_r; getutent; getutent_r; getutid; getutid_r; getutline;

    getutline_r;

    # p*

    pututline;

    # s*

    setlogin;

    setutent;

    # u*

    updwtmp; utmpname;

  }

  GLIBC_2.1 {

    # e*

    endutxent;

    # g*

    getpt; getutxent; getutxid; getutxline; grantpt;

    # p*

    ptsname; ptsname_r; pututxline;

    # s*

    setutxent;

    # u*

    unlockpt; updwtmpx; utmpxname;

  }

  GLIBC_2.1.1 {

    # g*

    getutmpx; getutmp;

  }

  GLIBC_2.2.1 {

    # p*

    posix_openpt;

  }

  GLIBC_2.4 {

    __getlogin_r_chk;

    __ptsname_r_chk;

  }

}

libutil {

  GLIBC_2.0 {

    forkpty; login; login_tty; logout; logwtmp; openpty;

  }

}