_t ack_num</div><div class="ttdoc">确认号（UDP无此字段）</div><div class="ttdef"><b>Definition</b> unifiedPacketAttr.h:70</div></div>
<div class="ttc" id="aclassunified_packet_attr_html_a2ff58b3c4d751aa05e6b322dcaf04d83"><div class="ttname"><a href="classunified_packet_attr.html#a2ff58b3c4d751aa05e6b322dcaf04d83">unifiedPacketAttr::ip_version</a></div><div class="ttdeci">bool ip_version</div><div class="ttdoc">IP版本号，0:IPv4, 1:IPv6.</div><div class="ttdef"><b>Definition</b> unifiedPacketAttr