382 lines
11 KiB
HTML
382 lines
11 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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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>QsyFindFirstValidationLstEntry()--Find First Validation List Entry
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API</title>
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<!-- Begin Header Records ========================================== -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- at RCHVMW2 on 17 Feb 1999 at 11:05:09 -->
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<!-- Edited by Kersten Jan 02 -->
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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 type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<h2>QsyFindFirstValidationLstEntry()--Find First
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Validation List Entry API</h2>
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<div class="box" style="width: 70%;">
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<br>
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Syntax<br>
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<pre>
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#include <qsyvldl.h>
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int QsyFindFirstValidationLstEntry
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(Qsy_Qual_Name_T *<em>Validation_Lst</em>,
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Qsy_Rtn_Vld_Lst_Ent_T *<em>First_Entry</em>);
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</pre>
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<br>
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Service Program Name: QSYVLDL<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: Yes<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The <strong>QsyFindFirstValidationLstEntry()</strong> function finds the
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first entry in a validation list object. The function then returns the
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information for the first entry in the buffer that is pointed to by the
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<em>First_Entry</em> parameter. The entries are stored in hexadecimal sort
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sequence, so the first entry will be the one where the entry ID has the
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smallest hexadecimal value.<br>
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</p>
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<h3>Authorities</h3>
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<dl>
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<dt><em>Validation List Object</em></dt>
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<dd>*USE<br>
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</dd>
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<dt><em>Validation List Object Library</em></dt>
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<dd>*EXECUTE<br>
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</dd>
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</dl>
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<p><strong>Note:</strong> If the QsyEncryptData attribute is set to
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QSY_VFY_FIND_E (1), then the user must have *USE, *ADD, and *UPD authority to
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the validation list to get the data to be encrypted returned in the
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<em>First_Entry</em> parameter.<br>
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</p>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>Validation_Lst</strong></dt>
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<dd>(Input)
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<p>A pointer to the qualified object name of the validation list to find the
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first entry in. The first 10 characters specify the validation list name, and
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the second 10 characters specify the library. You can use these special values
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for the library name:</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>*CURLIB</em></td>
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<td align="left" valign="top">The current library is used to locate the
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validation list. If there is no current library, QGPL (general purpose library)
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is used.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>*LIBL</em></td>
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<td align="left" valign="top">The library list is used to locate the validation
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list.</td>
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</tr>
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</table>
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<br>
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</dd>
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<dt><strong>First_Entry</strong></dt>
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<dd>(Output)
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<p>A pointer to the buffer where the first entry information is placed. The
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buffer must be allocated to the size of the <em>Qsy_Rtn_Vld_Lst_Ent_T</em>
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structure or the results will be unpredictable.</p>
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<p>The format of the <em>Qsy_Rtn_Vld_Lst_Ent_T</em> structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="30 20 50" -->
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<tr>
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<th align="left" valign="top">Qsy_Entry_ID_Info_T</th>
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<th align="left" valign="top">Entry_ID_Info</th>
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<th align="left" valign="top">The entry ID information
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structure.</th>
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</tr>
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<tr>
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<td align="left" valign="top">Qsy_Entry_Encr_Data_Info_T</td>
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<td align="left" valign="top">Encr_Data_Info</td>
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<td align="left" valign="top">The data to be encrypted information
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structure.</td>
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</tr>
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<tr>
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<td align="left" valign="top">Qsy_Entry_Data_Info_T</td>
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<td align="left" valign="top">Entry_Data_Info</td>
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<td align="left" valign="top">The entry data information
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structure.</td>
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</tr>
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<tr>
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<td align="left" valign="top">char</td>
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<td align="left" valign="top">Reserved[4]</td>
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<td align="left" valign="top">This is an ignored field.</td>
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</tr>
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<tr>
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<td align="left" valign="top">void *</td>
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<td align="left" valign="top">Entry_More_Info</td>
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<td align="left" valign="top">A pointer to additional information.
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This pointer is currently set to NULL.</td>
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</tr>
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</table>
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<p>The format of the Qsy_Entry_ID_Info_T structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="15 20 65" -->
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<tr>
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<td align="left" valign="top">int</td>
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<td align="left" valign="top">Entry_ID_Len</td>
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<td align="left" valign="top">The length of the entry ID.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned int</td>
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<td align="left" valign="top">Entry_ID_CCSID</td>
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<td align="left" valign="top">The CCSID associated with the entry
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ID.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned char</td>
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<td align="left" valign="top">Entry_ID[100]</td>
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<td align="left" valign="top">The entry ID.</td>
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</tr>
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</table>
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<p>The format of the Qsy_Entry_Encr_Data_Info_T structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="15 20 65" -->
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<tr>
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<td align="left" valign="top">int</td>
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<td align="left" valign="top">Encr_Data_Len</td>
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<td align="left" valign="top">The number of bytes of encrypted data
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that is stored in this validation list entry. If the QsyEncryptData attribute
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is 0 or the QRETSVRSEC system value
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is '0', the length will always be
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0.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned int</td>
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<td align="left" valign="top">Encr_Data_CCSID</td>
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<td align="left" valign="top">The CCSID associated with the
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encrypted data.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned char</td>
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<td align="left" valign="top">Encr_Data[600]</td>
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<td align="left" valign="top">If the QsyEncryptData attribute is 1
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and the QRETSVRSEC system value is
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'1', then the encrypted data that
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is stored in the entry will be decrypted and returned in this field. If the
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QsyEncryptData attribute is 0 or
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the QRETSVRSEC system value is '0', then the encrypted data cannot be returned, and the contents
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of this field are unpredictable.</td>
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</tr>
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</table>
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<p>The format of the Qsy_Entry_Data_Info_T structure is as follows:</p>
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<table border cellpadding="5">
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<!-- cols="15 20 65" -->
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<tr>
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<td align="left" valign="top">int</td>
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<td align="left" valign="top">Entry_Data_Len</td>
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<td align="left" valign="top">The length of the entry data.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned int</td>
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<td align="left" valign="top">Entry_Data_CCSID</td>
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<td align="left" valign="top">The CCSID associated with the entry
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data.</td>
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</tr>
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<tr>
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<td align="left" valign="top">unsigned char</td>
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<td align="left" valign="top">Entry_Data[1000]</td>
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<td align="left" valign="top">The entry data.</td>
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</tr>
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</table>
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</dd>
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</dl>
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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="5 95" -->
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<tr>
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<td align="left" valign="top"><em>0</em></td>
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<td align="left" valign="top">QsyFindFirstValidationLstEntry() was successful. The
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return value points to the entry.</td>
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</tr>
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<tr>
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<td align="left" valign="top" nowrap><em>-1</em></td>
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<td align="left" valign="top">QsyFindFirstValidationLstEntry() was not successful. The
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<em>errno</em> global variable is set to indicate the error.</td>
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</tr>
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</table>
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<br>
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<h3>Error Conditions</h3>
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<p>If <strong>QsyFindFirstValidationLstEntry()</strong> is not successful,
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<em>errno</em> indicates one of the following errors:</p>
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<table cellpadding="5">
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<!-- cols="10 90" -->
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<tr>
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<td align="left" valign="top"><em>3401</em></td>
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<td align="left" valign="top">[EACCES]
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<p>The current user does not have *USE authority to the validation list object,
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or does not have *EXECUTE authority to the validation list object library.</p></td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3406</em></td>
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<td align="left" valign="top">[EAGAIN]
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<p>The validation list object is currently locked by another process.</p></td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3484</em></td>
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<td align="left" valign="top">[EDAMAGE]
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<p>The validation list object is damaged.</p></td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3021</em></td>
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<td align="left" valign="top">[EINVAL]
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<p>Parameter value is not valid.</p></td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3025</em></td>
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<td align="left" valign="top">[ENOENT]
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<p>The validation list object was not found.</p></td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3026</em></td>
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<td align="left" valign="top">[ENOREC]
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<p>There are no entries in the validation list object.</p></td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>3474</em></td>
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<td align="left" valign="top">[EUNKNOWN]
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<p>Unknown system state. Check the job log for a CPF9872 message.</p></td>
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</tr>
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</table>
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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 finds all the entries in the validation list object
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WEBUSRS.</p>
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<pre>
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#include <qsyvldl.h>
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#include <errno.h>
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main()
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{
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#define VLD_LST "WEBUSRS WEBLIB "
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Qsy_Rtn_Vld_Lst_Ent_T entry_1;
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Qsy_Rtn_Vld_Lst_Ent_T entry_2;
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Qsy_Rtn_Vld_Lst_Ent_T *input_info,
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*output_info,
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*temp;
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Qsy_Entry_ID_Info_T *input_entry;
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short int i;
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int rtn_errno;
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/* Initialize pointers to input and output buffers. */
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output_info = addr(entry_1);
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input_info = addr(entry_2);
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/* Get the first entry in the validation list. */
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rtn_errno = QsyFindFirstValidationLstEntry(
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(Qsy_Qual_Name_T *)&VLD_LST,
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output_info))
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while (0 == rtn_errno)
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{ /* Process all the entries in the validation list. */
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.
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.
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.
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(process the entry)
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.
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.
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.
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/* Switch the pointers to the buffers so that the output from */
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/* the last find operation is used as input to the 'find-next'
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/* operation. */
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temp = output_info;
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output_info = input_info;
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input_info = temp;
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/* Find the next entry. */
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rtn_errno = QsyFindNextValidationLstEntry(
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(Qsy_Qual_Name_T *)&VLD_LST,
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&input_info->Entry_ID_Info,
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output_info))
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}
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/* Check if an error occurred. */
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if (0 != rtn_errno && ENOREC != errno)
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perror("Find of validation list entry");
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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: V4R1
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<hr>
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<center>
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<table cellpadding="2" cellspacing="2">
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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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"sec.htm">Security APIs</a> | <a href="aplist.htm">APIs by category</a></td>
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</tr>
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