347 lines
8.9 KiB
HTML
347 lines
8.9 KiB
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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>getnetconfigent()--Return a Pointer to a Netconfig Structure</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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<!-- 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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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<!--End Header Records -->
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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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<a name="Top_Of_Page"></a>
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<h2>getnetconfigent()--Return a Pointer to a Netconfig Structure</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 <netconfig.h>
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struct netconfig *getnetconfigent(char *);
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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>getnetconfigent()</strong> function returns the pointer to the
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netconfig structure that corresponds to the input netid.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>netid</strong> (Input) </dt>
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<dd>A character pointer to a netid such as "tcp" or "udp".</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p>The caller of <strong>getnetconfigent()</strong> function must have execute
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(*X) authority to the <strong>/etc</strong> directory and must have read (*R)
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authority to the <strong>netconfig</strong> file.</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>netconfig</em></td>
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<td align="left" valign="top"><strong>getnetconfigent()</strong> was
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successful. A pointer to a netconfig structure is returned.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>NULL</em></td>
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<td align="left" valign="top"><strong>getnetconfigent()</strong> was not
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successful. The <em>errno</em> global variable is set to indicate the
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error.</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>If <strong>getnetconfigent()</strong> is not successful, <em>errno</em>
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usually indicates one of the following errors. Under some conditions,
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<em>errno</em> could indicate an error other than those listed here.</p>
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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>[EACCES]</em></td>
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<td align="left" valign="top">Permission denied.
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<ul>
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<li>An attempt was made to access an object in a way forbidden by its object
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access permissions.</li>
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<li>The job does not have access to the specified file, directory, component,
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or path.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EAGAIN]</em></td>
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<td align="left" valign="top">Operation would have caused the process to be
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suspended.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EBADNAME]</em></td>
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<td align="left" valign="top">The object name specified is not correct.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EBUSY]</em></td>
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<td align="left" valign="top">Resource busy.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[ECONVERT]</em></td>
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<td align="left" valign="top">Conversion error.
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<ul>
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<li>One or more characters could not be converted from the source CCSID to the
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target CCSID.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EDAMAGE]</em></td>
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<td align="left" valign="top">A damaged object was encountered.
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<ul>
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<li>A referenced object is damaged. The object cannot be used.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EIO]</em></td>
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<td align="left" valign="top">Input/output error.
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<ul>
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<li>A physical I/O error occurred. A reference object may be damaged.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EMFILE]</em></td>
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<td align="left" valign="top">Too many open files for this process.
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<ul>
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<li>An attempt was made to open more files than allowed by the value OPEN_MAX.
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The value of OPEN_MAX can be retrieved using the <strong>sysconf()</strong>
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function.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[ENFILE]</em></td>
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<td align="left" valign="top">Too many open files in the system.
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<ul>
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<li>A system limit has been reached for the number of files that are allowed to
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be concurrently open in the system.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[ENOENT]</em></td>
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<td align="left" valign="top">No such path or directory.
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<ul>
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<li>The directory or a component of the path name specified does not
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exist.</li>
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<li>A named file or directory does not exist or is an empty string.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[ENOMEM]</em></td>
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<td align="left" valign="top">Storage allocation request failed.
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<ul>
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<li>The function needed to allocate storage, but no storage is available.</li>
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<li>There is not enough memory to perform the requested function.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[ENOSPC]</em></td>
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<td align="left" valign="top">No space available.
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<ul>
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<li>The requested operations required additional space on the device and there
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is no space left. This could also be caused by exceeding the user profile
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storage limit when creating or transferring ownership of an object.
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<ul>
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<li>Insufficient space remains to hold the intended file.</li>
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</ul>
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</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[ENOSYSRSC]</em></td>
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<td align="left" valign="top">System resources not available to complete the
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request.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EPERM]</em></td>
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<td align="left" valign="top">Operation not permitted.
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<ul>
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<li>You must have appropriate privileges or other resources to do the requested
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operation.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EUNKNOWN]</em></td>
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<td align="left" valign="top">Unknown system state.
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<ul>
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<li>The operation failed because of an unknown system state. See any messages
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in the job log and correct any errors that are indicated. Then retry the
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operation.</li>
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</ul>
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</td>
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</tr>
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</table>
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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">CPFA0D4 E</td>
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<td align="left" valign="top">File system error occurred.</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
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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
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&2 ended. Reason code &3.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPIA1C0 I</td>
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<td align="left" valign="top">The file /etc/netconfig cannot be opened by
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readers because another job has it open with write authority.</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>Usage Notes</h3>
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<p><strong>getnetconfigent()</strong> returns a pointer to a netconfig
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structure in the netconfig file for the corresponding netid. The netid is
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expected in the job CCSID. It returns NULL if it is unsuccessful.</p>
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<p>The callers of the <strong>getnetconfigent()</strong> function do not need
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to call the <strong>setnetconfig()</strong> function prior to calling the
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<strong>getnetconfigent()</strong> function but must call the
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<strong>freenetconfigent()</strong> function to free the storage allocated by
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the <strong>getnetconfigent()</strong> function.</p>
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<p>The <strong>getnetconfigent()</strong> function will return [ENOENT] if the
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/etc/netconfig file does not exist. The <strong>getnetconfigent()</strong>
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function will fail with [ECONVERT] if the data conversion required to convert
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the data stored in the /etc/netconfig file cannot be converted to the job
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CCSID.</p>
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<br>
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<h3>Example</h3>
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<p>For more information, see the example for <a href=
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"freenet_configent.htm">freenetconfigent()--Free the Netconfig
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||
|
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Structure</a>.</p>
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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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|
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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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