#if _GLIBCXX_USE_WCHAR_T
-_GLIBCXX_BEGIN_NAMESPACE(std)
-
+namespace std
+{
using ::wctrans_t;
using ::wctype_t;
using ::wint_t;
using ::towupper;
using ::wctrans;
using ::wctype;
-
-_GLIBCXX_END_NAMESPACE
+} // namespace
#endif //_GLIBCXX_USE_WCHAR_T
#ifdef _GLIBCXX_USE_WCHAR_T
-_GLIBCXX_BEGIN_NAMESPACE(std)
-
+namespace std
+{
#if _GLIBCXX_HAVE_ISWBLANK
using std::iswblank;
#endif
-
-_GLIBCXX_END_NAMESPACE
+} // namespace
#endif // _GLIBCXX_USE_WCHAR_T