<?xml version="1.0" encoding="ANSI_X3.4-1968" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>xdr_init_encode</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs" /><link rel="up" href="ch01s05.html" title="SUN RPC subsystem" /><link rel="prev" href="re131.html" title="xdr_encode_opaque" /><link rel="next" href="re133.html" title="xdr_reserve_space" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>xdr_init_encode</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re131.html">Prev</a> </td><th width="60%" align="center">SUN RPC subsystem</th><td width="20%" align="right"> <a accesskey="n" href="re133.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="xdr_init_encode"><a id="API-xdr-init-encode"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>xdr_init_encode — Initialize a struct xdr_stream for sending data. </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">void <b class="fsfunc">xdr_init_encode </b>(</code></td><td>struct xdr_stream * <var class="pdparam">xdr</var>, </td></tr><tr><td> </td><td>struct xdr_buf * <var class="pdparam">buf</var>, </td></tr><tr><td> </td><td>__be32 * <var class="pdparam">p</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2738399"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>xdr</code></em></span></dt><dd><p> pointer to xdr_stream struct </p></dd><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p> pointer to XDR buffer in which to encode data </p></dd><dt><span class="term"><em class="parameter"><code>p</code></em></span></dt><dd><p> current pointer inside XDR buffer </p></dd></dl></div></div><div class="refsect1" title="Note"><a id="id2738460"></a><h2>Note</h2><p> at the moment the RPC client only passes the length of our scratch buffer in the xdr_buf's header kvec. Previously this meant we needed to call <code class="function">xdr_adjust_iovec</code> after encoding the data. With the new scheme, the xdr_stream manages the details of the buffer length, and takes care of adjusting the kvec length for us. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re131.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch01s05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re133.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>xdr_encode_opaque</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>xdr_reserve_space</span></td></tr></table></div></body></html>