// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
-#ifndef _CPP_WCHAR_H_
-#define _CPP_WCHAR_H_ 1
+#ifndef _GLIBCXX_WCHAR_H
+#define _GLIBCXX_WCHAR_H 1
#include <cwchar>
using std::mbstate_t;
-#if _GLIBCPP_USE_WCHAR_T
+#if _GLIBCXX_USE_WCHAR_T
using std::wint_t;
using std::btowc;
using std::wmemset;
using std::wcsftime;
-#if _GLIBCPP_USE_C99
+#if _GLIBCXX_USE_C99
using std::wcstold;
using std::wcstoll;
using std::wcstoull;
#endif
-#endif //_GLIBCPP_USE_WCHAR_T
+#endif //_GLIBCXX_USE_WCHAR_T
#endif