n></tt>
are models of Boost.Serialization <em>Archive</em> with the extra
requirement that they can be constructed from a <tt class="docutils literal"><span class="pre">std::ostream</span></tt>
and <tt class="docutils literal"><span class="pre">std::istream</span></tt>.
<tt class="docutils literal"><span class="pre">filename</span></tt> names a directory that will hold files for
the different processes.</p>
</div>
<div class="section" id="non-member-functions">
<h2><a class="toc-backref" href="#id11">Non-Me