template ostream& operator<<(ostream&, _Setprecision);
template ostream& operator<<(ostream&, _Setw);
-#ifdef _GLIBCPP_USE_WCHAR_T
+#ifdef _GLIBCXX_USE_WCHAR_T
template class basic_ostream<wchar_t>;
template wostream& endl(wostream&);
template wostream& ends(wostream&);