eyword">volatile</span><span class="special">;</span>
    <span class="keyword">void</span> <span class="identifier">f</span><span class="special">(</span><span class="keyword">int</span><span class="special">)</span> <span class="keyword">volatile</span><span class="special">;</span>
    <span class="keyword">void</span> <span class="identifier">f</span><span class="special">(</span><span class="keyword">double</span><span class="special">);</span> <span class="keyword">const</span> <span class="keyword">v