<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation"> <title>setservent()--Open Service Database</title> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <!-- Begin Header Records ========================================== --> <!-- Unix8 SCRIPT J converted by B2H R4.1 (346) (CMS) by V2KEA304 --> <!-- at RCHVMW2 on 17 Feb 1999 at 11:05:09 --> <!-- Edited by Kersten Feb 02 --> <!--End Header Records --> <link rel="stylesheet" type="text/css" href="../rzahg/ic.css"> </head> <body> <a name="Top_Of_Page"></a> <!-- Java sync-link --> <script type="text/javascript" language="Javascript" src="../rzahg/synch.js"> </script> <h2>setservent()--Open Service Database</h2> <div class="box" style="width: 60%;"> <br> Syntax<br> <pre> #include <netdb.h> void setservent(int <em>stay_open</em>) </pre> <br> Service Program Name: QSOSRV2<br> <!-- iddvc RMBR --> <br> Default Public Authority: *USE<br> <!-- iddvc RMBR --> <br> Threadsafe: No; see <a href="#USAGE_NOTES">Usage Notes</a>.<br> <!-- iddvc RMBR --> <br> </div> <p>The <em>setservent()</em> function is used to prepare for sequential access to the service database file. <em>setservent()</em> opens the file and repositions the file marker to the beginning of the file.</p> <br> <h3>Parameters</h3> <dl> <dt><strong>stay_open</strong></dt> <dd>(Input) A value that indicates whether to leave the database file open after each <em>getservbyname()</em> and <em>getservbyport()</em>. A nonzero value results in the database file being left open.</dd> </dl> <br> <h3>Authorities</h3> <p>No authorization is required.</p> <br> <h3><a name="USAGE_NOTES">Usage Notes</a></h3> <ol> <li>The iSeries Navigator or the following CL commands can be used to access the services database file:<br> <br> <ul> <li>WRKSRVTBLE (Work with Service Table Entries)<br> <br> </li> <li>ADDSRVTBLE (Add Service Table Entry)<br> <br> </li> <li>RMVSRVTBLE (Remove Service Table Entry)</li> </ul> <br> </li> <li>Do not use the <em>setservent()</em> function in a multithreaded environment. See the multithread alternative <em>setservent_r()</em> function.<br><br></li> <li>When you develop in C-based languages and an application is compiled with the _XOPEN_SOURCE macro defined to the value 520 or greater, the <em>setservent()</em> API is mapped to <em>qso_setservent98()</em>.</li> </ol> <br> <h3>Related Information</h3> <ul> <li><a href="_xopen_source.htm">_XOPEN_SOURCE</a>--Using _XOPEN_SOURCE for the UNIX 98 compatible interface<br> <br> </li> <li><a href="gsrvnm.htm">getservbyname()</a>--Get Port Number for Service Name<br> <br> </li> <li><a href="gsrvprt.htm">getservbyport()</a>--Get Service Name for Port Number<br> <br> </li> <li><a href="gsrvnt.htm">getservent()</a>--Get Next Entry from Service Database<br> <br> </li> <li><a href="esrvnt.htm">endservent()</a>--Close Service Database</li> </ul> <br> <hr> API introduced: V4R2 <hr> <center> <table cellpadding="2" cellspacing="2"> <tr align="center"> <td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href= "unix.htm">UNIX-Type APIs</a> | <a href="aplist.htm">APIs by category</a> </td> </tr> </table> </center> </body> </html>