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diff --git a/include/c++/stl/stl/_ostreambuf_iterator.h b/include/c++/stl/stl/_ostreambuf_iterator.h
new file mode 100644
index 0000000..d886549
--- /dev/null
+++ b/include/c++/stl/stl/_ostreambuf_iterator.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+// WARNING: This is an internal header file, included by other C++
+// standard library headers.  You should not attempt to use this header
+// file directly.
+
+
+#ifndef _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H
+#define _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H
+
+#ifndef _STLP_INTERNAL_STREAMBUF
+# include <stl/_streambuf.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template<class _CharT, class _Traits>
+extern basic_streambuf<_CharT, _Traits>* _STLP_CALL __get_ostreambuf(basic_ostream<_CharT, _Traits>&);
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+// The default template argument is declared in iosfwd
+template <class _CharT, class _Traits>
+class ostreambuf_iterator :
+  public iterator<output_iterator_tag, void, void, void, void> {
+public:
+  typedef _CharT                           char_type;
+  typedef _Traits                          traits_type;
+  typedef typename _Traits::int_type       int_type;
+  typedef basic_streambuf<_CharT, _Traits> streambuf_type;
+  typedef basic_ostream<_CharT, _Traits>   ostream_type;
+
+  typedef output_iterator_tag              iterator_category;
+  typedef void                             value_type;
+  typedef void                             difference_type;
+  typedef void                             pointer;
+  typedef void                             reference;
+
+public:
+  ostreambuf_iterator(streambuf_type* __buf) _STLP_NOTHROW : _M_buf(__buf), _M_ok(__buf!=0) {}
+  //  ostreambuf_iterator(ostream_type& __o) _STLP_NOTHROW : _M_buf(__get_ostreambuf(__o)), _M_ok(_M_buf != 0) {}
+  inline ostreambuf_iterator(ostream_type& __o) _STLP_NOTHROW;
+
+  ostreambuf_iterator<_CharT, _Traits>& operator=(char_type __c) {
+    _M_ok = _M_ok && !traits_type::eq_int_type(_M_buf->sputc(__c),
+                                               traits_type::eof());
+    return *this;
+  }
+
+  ostreambuf_iterator<_CharT, _Traits>& operator*()     { return *this; }
+  ostreambuf_iterator<_CharT, _Traits>& operator++()    { return *this; }
+  ostreambuf_iterator<_CharT, _Traits>& operator++(int) { return *this; }
+
+  bool failed() const { return !_M_ok; }
+
+private:
+  streambuf_type* _M_buf;
+  bool _M_ok;
+};
+
+template <class _CharT, class _Traits>
+inline ostreambuf_iterator<_CharT, _Traits>::ostreambuf_iterator(basic_ostream<_CharT, _Traits>& __o) _STLP_NOTHROW
+  : _M_buf(_STLP_PRIV __get_ostreambuf(__o)), _M_ok(_M_buf != 0) {}
+
+#if defined (_STLP_USE_TEMPLATE_EXPORT)
+_STLP_EXPORT_TEMPLATE_CLASS ostreambuf_iterator<char, char_traits<char> >;
+#  if defined (INSTANTIATE_WIDE_STREAMS)
+_STLP_EXPORT_TEMPLATE_CLASS ostreambuf_iterator<wchar_t, char_traits<wchar_t> >;
+#  endif
+#endif /* _STLP_USE_TEMPLATE_EXPORT */
+
+#if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
+template <class _CharT, class _Traits>
+inline output_iterator_tag _STLP_CALL
+iterator_category(const ostreambuf_iterator<_CharT, _Traits>&) { return output_iterator_tag(); }
+#endif
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H */
+
+// Local Variables:
+// mode:C++
+// End:
+