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<title>fDPIparse()--Free Storage from DPI Packet Parse</title>
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<h2>fDPIparse()--Free Storage from DPI Packet Parse</h2>

<div class="box" style="width: 60%;">
<br>
&nbsp;&nbsp;Syntax<br>
<pre>
 #include &lt;qtossapi.h&gt;

 void   fDPIparse( snmp_dpi_hdr <em>*hdr_p</em> );   

</pre>

<br>
&nbsp;&nbsp;Service Program Name: QTOSSAPI<br>
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<br>
&nbsp;&nbsp;Default Public Authority: *USE<br>
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&nbsp;&nbsp;Threadsafe: No<br>
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</div>

<p>The <strong>fDPIparse()</strong> function frees storage that was previously
allocated by a call to <strong>pDPIpacket()</strong> to store the DPI
packet.</p>

<br>
<!-- Please NOTE:  DO NOT DELETE THIS SECTION if this API has no authorities and locks.  -->
<!-- Instead, use the commented out coding below to indicate NONE.                       -->
<h3>Authorities and Locks</h3>

<!-- Use this if there are no authorities and locks.                                     -->
<p>None.</p>

<br>
<h3>Parameters</h3>

<dl>
<dt><strong>hdr_p</strong></dt>

<dd>(Input) A pointer to an snmp_dpi_hdr structure.</dd>
</dl>

<br>
<h3>Usage Notes</h3>

<p>The <strong>fDPIparse()</strong> function frees dynamic storage that was
previously created by a call to <strong>pDPIpacket()</strong>. After calling
<strong>fDPIparse()</strong>, no further references should be made to hdr_p,
which pointed to the snmp_dpi_hdr structure.</p>

<p>A complete or partial DPI snmp_dpi_hdr structure is also implicitly freed by
a call to a DPI function that serializes an snmp_dpi_hdr structure into a DPI
packet. The section that describes each function tells you if this is the case.
An example of such a function is <strong>mkDPIresponse()</strong>.</p>

<br>
<h3>Related Information</h3>

<ul>
<li>The &lt;<strong>qtossapi.h</strong>&gt; file (see <a href="unix13.htm">Header
Files for UNIX-Type Functions</a>)<br>
<br>
</li>

<li><a href="respsnmp.htm">mkDPIresponse()</a>--Make a DPI Response Packet<br>
<br>
</li>

<li><a href="ppacsnmp.htm">pDPIpacket()</a>--Parse a DPI Packet</li>
</ul>

<br>
<h3>Example</h3>
<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a> 
for information pertaining to code examples.</p>
<pre>
  #include &lt;qtossapi.h&gt;
  snmp_dpi_hdr  *hdr_p;
  unsigned char *pack_p;     /* Assume pack_p points to  */
                             /* incoming DPI packet.     */
  hdr_p = pDPIpacket(pack_p);

  /* Handle the packet, and when done, do the following. */
  if (hdr_p) fDPIparse(hdr_p);
</pre>

<br>
<hr>
API introduced: V3R6

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