134 lines
3.5 KiB
HTML
134 lines
3.5 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>_STRLEN_SPP()--Determine Character String Length for i5/OS PASE</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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<!-- Created by V2DCIJB on 23 Nov 1999 -->
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<!-- Edited by Kersten Jan 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 type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<a name="Top_Of_Page"></a>
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<h2>_STRLEN_SPP()--Determine Character String Length for i5/OS PASE</h2>
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<div class="box" style="width: 70%;">
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<br>
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Syntax
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<pre>
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#include <as400_protos.h>
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size_t _STRLEN_SPP(const ILEpointer *<em>string</em>);
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</pre>
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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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Library: Standard C Library (libc.a)<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><strong>Note:</strong> This function can only be used in an i5/OS PASE
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program. See <a href="../rzalf/rzalfintro.htm">i5/OS PASE</a> for more
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information about creating i5/OS PASE programs.</p>
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<p>The <strong>_STRLEN_SPP()</strong> determines the length of a
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null-terminated character string. It performs the same operation as the
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<strong>strlen</strong> function, but uses a 16-byte tagged space pointer to
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locate the string.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>string</strong></dt>
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<dd>(Input) Pointer to character string. string is the 16-byte aligned address
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of a tagged space pointer to the character string.</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p><strong>_STRLEN_SPP</strong> requires no authority.</p>
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<br>
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<h3>Return Value</h3>
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<p><strong>_STRLEN_SPP</strong> returns length of the character string.</p>
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<br>
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<h3>Error Conditions</h3>
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<p>Any error is reported with an i5/OS exception message that the system
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converts to an i5/OS PASE signal. See <a href="pase_signals.htm">i5/OS PASE
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Signal Handling</a> for information about handling i5/OS exceptions.</p>
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<br>
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<h3>Usage Notes</h3>
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<ol>
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<li>_STRLEN_SPP can reference any memory addressable through a tagged space
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pointer, which need not be in the i5/OS PASE address space.<br>
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<br>
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</li>
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<li>_STRLEN_SPP is implemented with a kernel system call, so it generally runs
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slower than strlen.</li>
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</ol>
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<br>
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<h3>Related Information</h3>
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<ul>
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<li><a href="pase__cvtspp.htm">_CVTSPP()--Convert Space Pointer for i5/OS
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PASE</a></li>
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<li><a href="pase__setspp.htm">_SETSPP()--Set Space Pointer for i5/OS
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PASE</a></li>
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<li><a href="pase__setsppm.htm">_SETSPPM()--Set Multiple Space Pointers for i5/OS
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PASE</a></li>
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</ul>
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<br>
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<hr>
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API introduced: V4R5
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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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"pase1.htm">i5/OS PASE APIs</a> | <a href="aplist.htm">APIs by category</a>
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</td>
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</tr>
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</table>
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</center>
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</body>
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</html>
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