ibm-information-center/dist/eclipse/plugins/i5OS.ic.apis_5.4.0.1/eprotnt.htm

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<title>endprotoent()--Close Protocol Database</title>
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<h2>endprotoent()--Close Protocol Database</h2>
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<br>
&nbsp;&nbsp;Syntax<br>
<pre>
#include &lt;netdb.h&gt;
void endprotoent()
</pre>
<br>
&nbsp;&nbsp;Service Program Name: QSOSRV2<br>
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&nbsp;&nbsp;Default Public Authority: *USE<br>
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&nbsp;&nbsp;Threadsafe: No; see <a href="#USAGE_NOTES">Usage Notes</a>.<br>
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<p>The <em>endprotoent()</em> function is used to close the protocols database
file. The file is opened by those functions that retrieve information about a
protocol (for example, <em>getprotoent()</em>).</p>
<br>
<h3>Authorities</h3>
<p>No authorization is required.</p>
<br>
<h3><a name="USAGE_NOTES">Usage Notes</a></h3>
<ol>
<li> When the _XOPEN_SOURCE
macro defined to the value 520 or greater, the protocols file is always closed.
When the _XOPEN_SOURCE macro is not so defined, the protocols file is not closed if a <em>setprotoent()</em>
with a nonzero parameter value was previously completed.<br>
<br>
</li>
<li>The iSeries Navigator or the
following CL commands can be
used to access the protocol database file:
<ul>
<li>WRKPCLTBLE (Work with Protocol Table Entries)<br>
<br>
</li>
<li>ADDPCLTBLE (Add Protocol Table Entry)<br>
<br>
</li>
<li>RMVPCLTBLE (Remove Protocol Table Entry)</li>
</ul>
<br>
<br>
</li>
<li>Do not use the <em>endprotoent()</em> function in a multithreaded
environment. See the multithread alternative <em>endprotoent_r()</em>
function.<br>
<br>
</li>
<li>When you develop in C-based
languages and an application is compiled with the _XOPEN_SOURCE macro defined
to the value 520 or greater, the <em>endprotoent()</em> API is mapped to
<em>qso_endprotoent98()</em>.</li>
</ol>
<br>
<h3>Related Information</h3>
<ul>
<li><a href=
"_xopen_source.htm">_XOPEN_SOURCE</a>--Using _XOPEN_SOURCE for the UNIX 98
compatible interface<br>
<br>
</li>
<li><a href="gprotnt.htm">getprotoent()</a>--Get Next Entry from Protocol
Database<br>
<br>
</li>
<li><a href="sprotnt.htm">setprotoent()</a>--Open Protocol Database<br>
<br>
</li>
<li><a href="gprotnm.htm">getprotobyname()</a>--Get Protocol Information for
Protocol Name<br>
<br>
</li>
<li><a href="gprotnu.htm">getprotobynumber()</a>--Get Protocol Information for
Protocol Number</li>
</ul>
<br>
<hr>
API introduced: V3R1
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