lass="identifier">log_entry_start</span><span class="special">(</span><span class="identifier">output_format</span> log_format<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idp59960416-bb"></a><span class="identifier">log_entry_context</span><span class="special">(</span><span class="identifier">log_level</span> l<span class="special">)</span><span class="special">;</span></pre></li>
<li class