142 lines
3.4 KiB
HTML
142 lines
3.4 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>Qp0zIsATerminal()--Determine Whether Descriptor Is Connected to a
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Generic Terminal</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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<!-- file cleaned -->
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<!-- UNIX11 SCRIPT A converted by B2H R4.1 (346) (CMS) by V2DCIJB at -->
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<!-- RCHVMW2 on 1 Jun 1999 at 16:14:12 -->
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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 --><!-- 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>Qp0zIsATerminal()--Determine Whether Descriptor Is Connected to a Generic
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Terminal</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 <qp0ztrml.h>
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int Qp0zIsATerminal( int <em>descriptor</em> );
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</pre>
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Service Program Name: QP0ZTRMLC<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>Qp0zIsATerminal()</strong> function determines if the specified
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<em>descriptor</em> is connected to a terminal. See <a href="gentrml.htm">
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Generic Terminal Concepts</a> for details about using a terminal.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong><em>descriptor</em></strong></dt>
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<dd>(Input) The descriptor to check.</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p>None.</p>
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<h3>Return Value</h3>
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<dl compact>
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<dt><em>0</em></dt>
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<dd>The <em>descriptor</em> is <strong>not</strong> connected to a
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terminal.</dd>
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<dt><em>1</em></dt>
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<dd>The <em>descriptor</em> is connected to a terminal.</dd>
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</dl>
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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>Related Information</h3>
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<ul>
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<li>The <<strong>qp0ztrml.h</strong>> file (see <a href="unix13.htm">
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Header Files for UNIX-Type Functions</a>)<br>
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<br>
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</li>
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<li><a href="cntltrml.htm">Qp0zControlTerminal()</a>--Control a Generic
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Terminal<br>
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<br>
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</li>
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<li><a href="endtrml.htm">Qp0zEndTerminal()</a>--End a Generic Terminal<br>
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<br>
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</li>
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<li><a href="gettrmlp.htm">Qp0zGetTerminalPid()</a>--Get Process ID for a
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Generic Terminal<br>
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<br>
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</li>
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<li><a href="runtrml.htm">Qp0zRunTerminal()</a>--Run a Generic Terminal<br>
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<br>
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</li>
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<li><a href="settrmlm.htm">Qp0zSetTerminalMode()</a>--Set Modes for a Generic
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Terminal<br>
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<br>
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</li>
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<li><a href="startrml.htm">Qp0zStartTerminal()</a>--Start a Generic
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Terminal<br>
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<br>
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</li>
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</ul>
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<br>
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<hr>
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API introduced: V4R3
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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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"gentrml.htm">Generic Terminal 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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</center>
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</body>
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</html>
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