1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>dvb_ringbuffer_pkt_next</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch06s02.html" title="Digital TV (DVB) devices"><link rel="prev" href="API-dvb-ringbuffer-pkt-dispose.html" title="dvb_ringbuffer_pkt_dispose"><link rel="next" href="API-struct-dvb-adapter.html" title="struct dvb_adapter"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">dvb_ringbuffer_pkt_next</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-dvb-ringbuffer-pkt-dispose.html">Prev</a> </td><th width="60%" align="center">Digital TV (DVB) devices</th><td width="20%" align="right"> <a accesskey="n" href="API-struct-dvb-adapter.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-dvb-ringbuffer-pkt-next"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>dvb_ringbuffer_pkt_next — 
2     Get the index of the next packet in a ringbuffer.
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">ssize_t <b class="fsfunc">dvb_ringbuffer_pkt_next </b>(</code></td><td>struct dvb_ringbuffer * <var class="pdparam">rbuf</var>, </td></tr><tr><td> </td><td>size_t <var class="pdparam">idx</var>, </td></tr><tr><td> </td><td>size_t * <var class="pdparam">pktlen</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.8.3.25.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>rbuf</code></em></span></dt><dd><p>
4     Ringbuffer concerned.
5    </p></dd><dt><span class="term"><em class="parameter"><code>idx</code></em></span></dt><dd><p>
6     Previous packet index, or -1 to return the first packet index.
7    </p></dd><dt><span class="term"><em class="parameter"><code>pktlen</code></em></span></dt><dd><p>
8     On success, will be updated to contain the length of the packet in bytes.
9     returns Packet index (if &gt;=0), or -1 if no packets available.
10    </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-dvb-ringbuffer-pkt-dispose.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch06s02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-struct-dvb-adapter.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">dvb_ringbuffer_pkt_dispose</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">struct dvb_adapter</span></td></tr></table></div></body></html>
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