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<A NAME="device_overview"></A>
<H2 CLEAR='right'>2.1.1. Overview: Devices, <CODE>stream_buffer</CODE> and <CODE>stream</CODE></H2>

<P>Writing a new stream or stream buffer class using the Boost Iostreams library is easy: you simply write a class modeling the <A HREF="../concepts/device.html">Device</A> conc