>ip_proto_t</h2>

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<p>Sub-protocols, TCP and UDP. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a23a343a8c6f8daa0adbcf7d7bac9a478a92d2ba8746d548d7f29fdcdb4572ec37"></a>PROTOCOL_ICMP&#160;<