283 lines
7.0 KiB
HTML
283 lines
7.0 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>svc_reg()--Associate Program and Version with Dispatch</title>
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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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<!-- Begin Header Records ========================================== -->
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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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<!--End Header Records -->
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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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<a name="Top_Of_Page"></a>
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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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<h2>svc_reg()--Associate Program and Version with Dispatch</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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<!-- iddvc RMBR -->
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<br>
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<pre>
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#include <rpc/rpc.h>
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#include <netconfig.h>
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bool_t svc_reg(const SVCXPRT *<em>xprt</em>,
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const u_long <em>prognum</em>,
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const u_long <em>versnum</em>,
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const void (*dispatch)(const svc_req *,
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const SVCXPRT *),
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const struct netconfig *<em>netconf</em>);
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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>svc_reg()</strong> API associates <em>prognum</em> and
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<em>versnum</em> with the service dispatch procedure <em>dispatch</em>. If
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<em>netconf</em> is NULL, the service is not registered with the RPC service
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package (RPCBind). If <em>netconf</em> is non-null, then a mapping of the
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triple (<em>prognum, versnum, netconf->nc_netid</em>) to
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<em>xprt->xp_ltaddr</em> is established with the local RPCBind service.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>xprt</strong> (I/O) </dt>
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<dd>A pointer to a Remote Procedure Call (RPC) service transport handle.<br>
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<br>
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</dd>
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<dt><strong>prognum</strong> (Input) </dt>
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<dd>The program number of the remote program.<br>
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<br>
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</dd>
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<dt><strong>versnum</strong> (Input) </dt>
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<dd>The version number of the remote program.<br>
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<br>
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</dd>
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<dt><strong>dispatch</strong> (Input) </dt>
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<dd>The server dispatch function.<br>
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<br>
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</dd>
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<dt><strong>netconf</strong> (Input) </dt>
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<dd>The transport protocol.</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 the <strong>svc_reg()</strong> API must have execute (*X)
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authority to the /etc directory and must have read (*R) authority to the
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netconfig 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>TRUE (1)</em></td>
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<td align="left" valign="top"><strong>svc_reg()</strong> was successful.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>FALSE (0)</em></td>
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<td align="left" valign="top"><strong>svc_reg()</strong> was not successful.
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The <em>errno</em> variable is set to indicate the reason.</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>This API calls the <strong>setnetconfig()</strong> and
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<strong>getnetconfig()</strong> functions in order to perform its task. The API
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inherits all error conditions from those functions. It also calls
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<strong>rpcb_set()</strong> for registering in RPCBind inheriting all error
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conditions from the API, except RPC_UNKNOWNPROTO.</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>[EINVAL]</em></td>
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<td align="left" valign="top">Attempt to register a dispatcher with prognum and
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versnum, which are already used by another dispatcher.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>[EALREADY]</em></td>
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<td align="left" valign="top">Attempting to register a service which is already
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registered.</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 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">CPIA1B1 I</td>
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<td width="85%" valign="top">A problem was encountered in the RPC client.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPIA1B2 I</td>
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<td align="left" valign="top">TI-RPC encountered a problem in the transport
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protocol.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPIA1B8 I</td>
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<td align="left" valign="top">A problem occurred while trying to contact the
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RPCBind daemon.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPE3418 E</td>
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<td align="left" 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">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">CPIA1B2 I</td>
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<td align="left" valign="top">TI-RPC encountered a problem with the transport
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protocol.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPIA1B8 I</td>
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<td align="left" valign="top">A problem occurred while trying to contact the
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RPCBind daemon.</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>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 shows how <strong>svc_reg()</strong> is used:</p>
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<pre>
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/* Define remote program number and version */
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#define RMTPROGNUM (u_long)0x3fffffffL
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#define RMTPROGVER (u_long)0x1
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#include <stdio.h>
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#include <rpc/rpc.h>
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#include <netconfig.h>
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static void exm_proc();
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main()
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{
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SVCXPRT *xprt;
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struct netconfig *nconf;
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int result;
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...
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/* Returns a pointer to nconf corresponding to NETCONF */
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if ((nconf = getnetconfigent("UDP")) ==
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(struct netconfig *)NULL) {
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fprintf(stderr, "Cannot get netconfig entry for UDP\n");
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exit(1);
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}
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...
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result = <strong>svc_reg</strong>(xprt, RMTPROGNUM, RMTPROGVER,
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exm_proc, nconf);
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if ( !result){
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fprintf(stderr, "<strong>svc_reg</strong> failed!!\n");
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exit(1);
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}
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...
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}
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/* The server dispatch function */
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static void exm_proc(struct svc_req *rqstp, SVCXPRT *transp)
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{
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...
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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: 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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"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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