22 Localization library [localization]

22.4 Standard locale categories [locale.categories]

22.4.1 The ctype category [category.ctype]

22.4.1.2 Class template ctype_byname [locale.ctype.byname]

namespace std {
  template <class charT>
  class ctype_byname : public ctype<charT> {
  public:
    typedef typename ctype<charT>::mask mask;
    explicit ctype_byname(const char*, size_t refs = 0);
    explicit ctype_byname(const string&, size_t refs = 0);
  protected:
   ~ctype_byname();
  };
}