glibc/locale/Versions

libBrokenLocale {
  GLIBC_2.0 {
    __ctype_get_mb_cur_max;
  }
}

libc {
  GLIBC_2.0 {
    # global variables
    __collate_element_hash; __collate_element_strings;
    __collate_symbol_classes; __collate_symbol_hash; __collate_symbol_strings;
    _libc_intl_domainname; _nl_current_LC_COLLATE; _nl_current_LC_CTYPE;

    # functions used in inline functions or macros
    __ctype_get_mb_cur_max;

    # l*
    localeconv;

    # n*
    nl_langinfo;

    # s*
    setlocale;
  }
  GLIBC_2.1 {
    # functions from the experimental locale implementation
    __*_l; __newlocale; __duplocale; __freelocale;
  }
  GLIBC_2.2 {
    # The data structure changed.
    localeconv;
  }
}