--- /dev/null
+# include <using/ostream>
+
+using _STLP_NEW_IO_NAMESPACE::basic_istream;
+using _STLP_NEW_IO_NAMESPACE::basic_iostream;
+
+using _STLP_NEW_IO_NAMESPACE::istream;
+using _STLP_NEW_IO_NAMESPACE::iostream;
+
+# if !defined (_STLP_NO_NATIVE_WIDE_STREAMS)
+using _STLP_NEW_IO_NAMESPACE::wistream;
+using _STLP_NEW_IO_NAMESPACE::wiostream;
+# endif
+
+#if !(defined (_STLP_MSVC) && (_STLP_MSVC < 1200))
+using _STLP_NEW_IO_NAMESPACE::ws;
+#endif