183 lines
4.3 KiB
HTML
183 lines
4.3 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>xdr_u_char()--Translate between Unsigned Characters and Their
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XDR</title>
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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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<!-- Begin Header Records ========================================== -->
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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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<a name="Top_of_Page"></a>
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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>xdr_u_char()--Translate between Unsigned Characters and Their XDR</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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<pre>
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#include <rpc/xdr.h>
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bool_t xdr_u_char(XDR *<em>xdrs</em>,
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char *<em>ucp</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>xdr_u_char()</strong> function is a filter primitive that
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translates between unsigned C-language characters and their external
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representations.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>xdrs</strong> (Input) </dt>
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<dd>A pointer to the eXternal Data Representation (XDR) stream handle.<br>
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<br>
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</dd>
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<dt><strong>ucp</strong> (I/O) </dt>
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<dd>A pointer to an unsigned character.</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>None.</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">CPE3418 E</td>
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<td width="85%" valign="top">Possible APAR condition or hardware failure.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3CF2 E</td>
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<td align="left" valign="top">Error(s) occurred during running of &1 API.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9872 E</td>
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<td align="left" valign="top">Program or service program &1 in library &2 ended.
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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>xdr_u_char()</strong> is used:</p>
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<pre>
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#include <stdio.h>
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#include <xdr.h>
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typedef struct grades
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{
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u_char math; /* Each grade is 'A'..'D' */
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u_char literature;
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u_char geography;
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u_char computers;
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} grades ;
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bool_t xdr_grades(XDR *xdrs, grades *p_grades)
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{
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if(!<strong>xdr_u_char</strong>(xdrs,&(p_grades->math)))
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return FALSE;
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if(!<strong>xdr_u_char</strong>(xdrs,&(p_grades->literature)))
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return FALSE;
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if(!<strong>xdr_u_char</strong>(xdrs,&(p_grades->geography)))
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return FALSE;
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return <strong>xdr_u_char</strong>(xdrs,&(p_grades->computers));
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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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