22 Localization library [localization]

22.3 Locales [locales]

22.3.3 Convenience interfaces [locale.convenience]

22.3.3.2 Conversions [conversions]

22.3.3.2.1 Character conversions [conversions.character]

template <class charT> charT toupper(charT c, const locale& loc);

Returns: use_facet<ctype<charT> >(loc).toupper(c).

template <class charT> charT tolower(charT c, const locale& loc);

Returns: use_facet<ctype<charT> >(loc).tolower(c).