keyword">char</span> <span class="special">&gt;</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">base_type</span><span class="special">::</span><span class="identifier">char_type</span>   <a name="boost.log.sinks.syslog_backend.char_type"></a><span class="identifier">char_type</span><span class="special">;</span>             <span class="comment">// C