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<!--$Id: db_set_errpfx.so,v 10.6 1999/12/20 08:52:28 bostic Exp $-->
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<h1>Db::set_errpfx</h1>
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<h3><pre>
#include <db_cxx.h>
<p>
void Db::set_errpfx(const char *errpfx);
</pre></h3>
<h1>Description</h1>
<p>Set the prefix string that appears before error messages issued by Berkeley DB.
<p>The Db::set_errpfx method does not copy the memory referenced by the
<b>errpfx</b> argument, rather, it maintains a reference to it. This
allows applications to modify the error message prefix at any time,
without repeatedly calling Db::set_errpfx, but means that the
memory must be maintained until the handle is closed.
<p>For <a href="../api_cxx/db_class.html">Db</a> handles opened inside of Berkeley DB environments, calling the
Db::set_errpfx method affects the entire environment and is equivalent to calling
the <a href="../api_cxx/env_set_errpfx.html">DbEnv::set_errpfx</a> method.
<p>The Db::set_errpfx interface may be used to configure Berkeley DB at any time
during the life of the application.
<h3>Class</h3>
<a href="../api_cxx/dbenv_class.html">DbEnv</a>
<h1>See Also</h1>
<a href="../api_cxx/env_close.html">DbEnv::close</a>,
<a href="../api_cxx/env_open.html">DbEnv::open</a>,
<a href="../api_cxx/env_remove.html">DbEnv::remove</a>,
<a href="../api_cxx/db_err.html">DbEnv::err</a>,
<a href="../api_cxx/env_strerror.html">DbEnv::strerror</a>,
<a href="../api_cxx/env_version.html">DbEnv::version</a>,
<a href="../api_cxx/env_set_cachesize.html">DbEnv::set_cachesize</a>,
<a href="../api_cxx/env_set_errcall.html">DbEnv::set_errcall</a>,
<a href="../api_cxx/env_set_errfile.html">DbEnv::set_errfile</a>,
<a href="../api_cxx/env_set_error_stream.html">DbEnv::set_error_stream</a>,
<a href="../api_cxx/env_set_errpfx.html">DbEnv::set_errpfx</a>,
<a href="../api_cxx/env_set_flags.html">DbEnv::set_flags</a>,
<a href="../api_cxx/env_set_mutexlocks.html">DbEnv::set_mutexlocks</a>,
<a href="../api_cxx/env_set_paniccall.html">DbEnv::set_paniccall</a>,
and
<a href="../api_cxx/env_set_verbose.html">DbEnv::set_verbose</a>.
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