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      libc {
  GLIBC_2.0 {
    # global variables
    _sys_errlist; _sys_nerr; _sys_siglist;
    # functions used in other libraries
    __printf_fp; __vfscanf;
    # variables in normal name space
    sys_errlist; sys_nerr; sys_sigabbrev; sys_siglist;
    # a*
    asprintf;
    # c*
    ctermid; cuserid;
    # d*
    dprintf;
    # f*
    flockfile; fprintf; fscanf; ftrylockfile; funlockfile;
    # g*
    getline; getw;
    # p*
    parse_printf_format; perror; printf; putw;
    # r*
    register_printf_function; remove; rename;
    # s*
    scanf; snprintf; sprintf; sscanf;
    # t*
    tempnam; tmpfile; tmpnam; tmpnam_r;
    # v*
    vfprintf; vfscanf; vprintf;
  }
  GLIBC_2.1 {
    # p*
    printf_size; printf_size_info;
    # t*
    tmpfile; tmpfile64;
  }
  GLIBC_2.4 {
    renameat;
  }
  GLIBC_2.7 {
    __isoc99_scanf; __isoc99_vscanf; __isoc99_fscanf; __isoc99_vfscanf;
    __isoc99_sscanf; __isoc99_vsscanf;
  }
  GLIBC_2.10 {
    psiginfo;
    register_printf_modifier; register_printf_type; register_printf_specifier;
  }
  GLIBC_PRIVATE {
    # global variables
    _itoa_lower_digits;
}
 
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