204 lines
4.7 KiB
HTML
204 lines
4.7 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>clnt_freeres()--Free Data Allocated by the RPC or XDR System</title>
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<!-- Begin Header Records ========================================== -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- RPCMST SCRIPT A converted by B2H R4.1 (346) (CMS) by PMHALL at -->
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<!-- RCHVMW2 on 7 Oct 1998 at 23:43:14 -->
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<!-- Edited by Kersten Feb 02 -->
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<!-- End Header Records -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<!--Java sync-link-->
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<h2>clnt_freeres()--Free Data Allocated by the RPC or XDR System</h2>
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<div class="box" style="width: 60%;">
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<br>
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Syntax<br>
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<br>
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<pre>
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#include <rpc/rpc.h>
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bool_t clnt_freeres(CLIENT *<em>clnt</em>,
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const xdrproc_t <em>inproc</em>,
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caddr_t <em>in</em>);
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</pre>
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<br>
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Service Program Name: QZNFTRPC<br>
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<!-- iddvc RMBR -->
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: No<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The <strong>clnt_freeres()</strong> function frees any data allocated by the
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RPC or XDR system when it decoded the results of an RPC call.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>clnt</strong> (Input) </dt>
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<dd>A pointer to the client handle.<br>
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<br>
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</dd>
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<dt><strong>inproc</strong> (Input) </dt>
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<dd>XDR routine describing the results.<br>
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<br>
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</dd>
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<dt><strong>in</strong> (Input) </dt>
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<dd>(Input) The address of the results.</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p>No authorization is required.</p>
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<br>
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<h3>Return Value</h3>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<td align="left" valign="top"><em>TRUE (1)</em></td>
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<td align="left" valign="top">Successful</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>FALSE (0)</em></td>
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<td align="left" valign="top">Unsuccessful</td>
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</tr>
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</table>
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<br>
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<br>
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<h3>Error Conditions</h3>
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<p>This function returns FALSE when the <em>in</em> parameter is NULL or an
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exception has occurred. In case of an exception,
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<strong>clnt_freeres()</strong> tries to set RPC_INTR in the client handle.
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This status can be retrieved by a call to <strong>clnt_geterr()</strong>.</p>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td width="15%" valign="top">CPF9872 E</td>
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<td width="85%" valign="top">Program or service program &1 in library
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&2 ended. Reason code &3.</td>
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</tr>
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</table>
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<br>
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<br>
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<h3>Example</h3>
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<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
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for information pertaining to code examples.</p>
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<p>The following example shows how <strong>clnt_freeres()</strong> is used:</p>
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<pre>
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#include <stdio.h>
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#include <rpc/rpc.h>
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...
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u_long procnum;
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CLIENT *clnt;
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enum clnt_stat stat;
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struct rpc_err client_error;
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struct timeval timeout;
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struct array_args{
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unsigned int size;
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char *data;
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};
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struct array_args args; /* Arg with buffer to send */
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struct array_args result; /* Arg with buffer to receive */
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...
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/* Call the remote procedure that is associated with client */
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...
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stat = <strong>clnt_call</strong>(clnt, procnum, (xdrproc_t)xdr_array,
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(char *)&args, (xdrproc_t)xdr_array,
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(char *)&result, timeout);
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if (stat != RPC_SUCCESS){
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/* Failure on call */
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if (result.data != (char *) NULL){
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if(!<strong>clnt_freeres</strong>(clnt, (xdrproc_t)xdr_array,
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(char *)&result))
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/* <strong>clnt_freeres()</strong> failed */
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...
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}
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...
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}
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</pre>
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<br>
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<hr>
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API introduced: V4R2
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<hr>
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<table cellpadding="2" cellspacing="2" align="center">
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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"rpc1.htm">Remote Procedure Call (RPC) APIs</a> | <a href="aplist.htm">APIs by
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category</a></td>
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</tr>
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</table>
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</body>
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</html>
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