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<th colspan="3" align="center">DbEnv::log_compare()</th>
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<td width="20%" align="left"><a accesskey="p" href="logcget.html">Prev</a> </td>
<th width="60%" align="center">Chapter 8. 
The DbLsn Handle
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<h2 class="title" style="clear: both"><a id="logcompare"></a>DbEnv::log_compare()</h2>
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<pre class="programlisting">#include &lt;db_cxx.h&gt;
static int
DbEnv::log_compare(const DbLsn *lsn0, const DbLsn *lsn1); </pre>
<p>
The
<code class="methodname">DbEnv::log_compare()</code>
method allows the caller to compare two <code class="classname">DbLsn</code>
structures, returning 0 if they are equal, 1 if <span class="bold"><strong>lsn0</strong></span> is greater than <span class="bold"><strong>lsn1</strong></span>, and -1 if <span class="bold"><strong>lsn0</strong></span> is less than <span class="bold"><strong>lsn1</strong></span>.
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<h3 class="title"><a id="id3642616"></a>Parameters</h3>
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<h4 class="title"><a id="id3642346"></a>lsn0</h4>
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<p>
The <span class="bold"><strong>lsn0</strong></span> parameter is one of the
<code class="classname">DbLsn</code> structures to be compared.
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<h4 class="title"><a id="id3642584"></a>lsn1</h4>
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<p>
The <span class="bold"><strong>lsn1</strong></span> parameter is one of the
<code class="classname">DbLsn</code> structures to be compared.
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<a class="link" href="env.html" title="Chapter 5.  The DbEnv Handle">DbEnv</a>,
<a class="link" href="logc.html" title="The DbLogc Handle">DbLogc</a>,
<a class="link" href="lsn.html" title="Chapter 8.  The DbLsn Handle">DbLsn</a>
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<a class="xref" href="lsn.html#loglist" title="Logging Subsystem and Related Methods">Logging Subsystem and Related Methods</a>
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