class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm9863-bb"></a><span class="identifier">increment</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm9865-bb"></a><span class="identifier">decrement</span><span class="special">(</span><span class="special">)</span><span class="speci