libc {
  GLIBC_2.0 {
    # e*
    endspent;

    # f*
    fgetspent; fgetspent_r;

    # g*
    getspent; getspent_r; getspnam; getspnam_r;

    # l*
    lckpwdf;

    # p*
    putspent;

    # s*
    setspent;

    # s*
    sgetspent; sgetspent_r;

    # u*
    ulckpwdf;
  }
  GLIBC_2.1.2 {
    # g*
    getspent_r; getspnam_r;
  }
}