Index: uspace/lib/cpp/include/impl/istream.hpp
===================================================================
--- uspace/lib/cpp/include/impl/istream.hpp	(revision f7aaffe06c246594d2ac20b0ce6bce6cfd84dadb)
+++ uspace/lib/cpp/include/impl/istream.hpp	(revision f7aaffe06c246594d2ac20b0ce6bce6cfd84dadb)
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017 Jaroslav Jindrak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBCPP_ISTREAM
+#define LIBCPP_ISTREAM
+
+#include <iosfwd>
+
+namespace std
+{
+    template<class Char, class Traits = char_traits<Char>>
+    class basic_istream;
+
+    using istream  = basic_istream<char>;
+    using wistream = basic_istream<wchar_t>;
+
+    template<class Char, class Traits = char_traits<Char>>
+    class basic_iostream;
+
+    using iostream  = basic_iostream<char>;
+    using wiostream = basic_iostream<wchar_t>;
+
+    template<class Char, class Traits = char_traits<Char>>
+    basic_istream<Char, Traits>& ws(basic_istream<Char, Traits>& is);
+
+    template<class Char, class Tratis = char_traits<Char>>
+    basic_istream<Char, Traits>& operator>>(basic_istream<Char, Traits>& is, T& x);
+}
+
+#endif
Index: uspace/lib/cpp/include/impl/ostream.hpp
===================================================================
--- uspace/lib/cpp/include/impl/ostream.hpp	(revision f7aaffe06c246594d2ac20b0ce6bce6cfd84dadb)
+++ uspace/lib/cpp/include/impl/ostream.hpp	(revision f7aaffe06c246594d2ac20b0ce6bce6cfd84dadb)
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017 Jaroslav Jindrak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBCPP_OSTREAM
+#define LIBCPP_OSTREAM
+
+#include <iosfwd>
+
+namespace std
+{
+    template<class Char, class Traits = char_traits<Char>>
+    class basic_ostream;
+
+    using ostream  = basic_ostream<char>;
+    using wostream = basic_ostream<wchar_t>;
+
+    template<class Char, class Traits = char_traits<Char>>
+    basic_ostream<Char, Traits>& endl(basic_ostream<Char, Traits>& os);
+
+    template<class Char, class Traits = char_traits<Char>>
+    basic_ostream<Char, Traits>& ends(basic_ostream<Char, Traits>& os);
+
+    template<class Char, class Traits = char_traits<Char>>
+    basic_ostream<Char, Traits>& flush(basic_ostream<Char, Traits>& os);
+
+    template<class Char, class Tratis = char_traits<Char>>
+    basic_ostream<Char, Traits>& operator<<(basic_ostream<Char, Traits>& os, const T& x);
+}
+
+#endif
+