r and Device types, the Iostreams library provides a number of <A HREF="#convenience">convenience templates and <CODE>typedef</CODE>s</A>.
</P>

<A NAME="device_concepts"></A>
<H2>Device Concepts</H2>

<P>The most important Device concepts are these:</P>

<UL>
    <LI><A STYLE="font-weight:normal" HREF="../concepts/device.html">Device:</A> Base for all Device concepts, provides associated character type and category.
    <LI><A STYLE="font-weight:normal" HREF="../concepts/source.html">Source:</A> Provides r