tting the
environmental variable <code style="white-space: normal">BOOST_ARCHIVE_TEST</code>
to the name of the header.  Here is the header file 
<code style="white-space: normal">test_archive.hpp</code> . Test header files for
other archives are similar.
<pre><code>
// text_archive test header
// include output archive header
#include &lt;boost/archive/text_oarchive.hpp&gt;
// set name of test output archive
typedef boost::archive::text_oarchive test_oarchive;
// set name of test output stream
typedef std: