128 struct stream : detail::stream_base<Device, Tr, Alloc> {  struct
130     typedef typename char_type_of<Device>::type  char_type;
131     struct category 
141             >::stream_type                       stream_type;
143     stream() { }  in stream()  argument
144     BOOST_IOSTREAMS_FORWARD( stream, open_impl, Device,  in BOOST_IOSTREAMS_FORWARD()
148     void close() { this->member.close(); }  in close()
149     bool auto_close() const { return this->member.auto_close(); }  in auto_close()
150     void set_auto_close(bool close) { this->member.set_auto_close(close); }  in set_auto_close()
151     bool strict_sync() { return this->member.strict_sync(); }  in strict_sync()
152     Device& operator*() { return *this->member; }  in operator *()
153     Device* operator->() { return &*this->member; }  in operator ->()
154     Device* component() { return this->member.component(); }  in component()
156     void open_impl(const Device& dev BOOST_IOSTREAMS_PUSH_PARAMS()) // For forwarding.  in open_impl()