mestamp.tv_nsec;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    pcpp::IPv4Layer* ipv4layer = packet-&gt;getLayerOfType&lt;pcpp::IPv4Layer&gt;();</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    <span class="comment">// 获取包的�