// -*- C++ -*- compatibility header.
-// Copyright (C) 2002, 2003, 2007, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2002-2023 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
using std::wmemset;
using std::wcsftime;
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
using std::wcstold;
using std::wcstoll;
using std::wcstoull;