<map id="csignal.h" name="csignal.h">
<area shape="rect" id="node1" title="ISO C 标准信号扩展操作。" alt="" coords="12,5,84,32"/>
<area shape="rect" id="node2" href="$d7/d03/a00254.xhtml" title="ISO C 标准信号扩展操作。" alt="" coords="5,80,91,107"/>
</map>
