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+<h1 class="lined-header"><span>cowboy_stream:init(3)</span></h1>
+
+<h2 id="_name">Name</h2>
+<p>cowboy_stream:init - Initialize a stream</p>
+<h2 id="_description">Description</h2>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><b><font color="#000000">init</font></b>(<font color="#009900">StreamID</font>, <font color="#009900">Req</font>, <font color="#009900">Opts</font>) <font color="#990000">-&gt;</font> {<font color="#009900">Commands</font>, <font color="#009900">State</font>}
+
+<font color="#009900">StreamID</font> <font color="#990000">::</font> <b><font color="#000000">cowboy_stream:stream_id</font></b>()
+<font color="#009900">Req</font> <font color="#990000">::</font> <b><font color="#000000">cowboy_req:req</font></b>()
+<font color="#009900">Opts</font> <font color="#990000">::</font> <b><font color="#000000">cowboy:opts</font></b>()
+<font color="#009900">Commands</font> <font color="#990000">::</font> <b><font color="#000000">cowboy_stream:commands</font></b>()
+<font color="#009900">State</font> <font color="#990000">-</font> <font color="#FF6600">opaque</font></tt></pre>
+</div></div>
+<p>Initialize a stream.</p>
+<p>This function must be called by all stream handlers. It will initialize the next configured stream handler.</p>
+<h2 id="_arguments">Arguments</h2>
+<dl><dt>StreamID</dt>
+<dd><p>The stream ID.</p>
+</dd>
+<dt>Req</dt>
+<dd><p>The Req object.</p>
+</dd>
+<dt>Opts</dt>
+<dd><p>The protocol options.</p>
+</dd>
+<dt>Commands</dt>
+<dd><p>The commands to be executed.</p>
+</dd>
+<dt>State</dt>
+<dd><p>The state for the next stream handler.</p>
+</dd>
+</dl>
+<h2 id="_return_value">Return value</h2>
+<p>A list of commands and an opaque state is returned.</p>
+<p>The list of commands returned should be included in the commands returned from the current stream handler. It can be modified if necessary.</p>
+<p>The state should be stored in the current stream handler&apos;s state and passed to <code>cowboy_stream</code> when necessary. The state should be treated as opaque.</p>
+<h2 id="_changelog">Changelog</h2>
+<ul><li><strong>2.0</strong>: Function introduced.
+</li>
+</ul>
+<h2 id="_examples">Examples</h2>
+<div class="listingblock"><div class="title">Initialize the next stream handler</div>
+<div class="content"><!-- Generator: GNU source-highlight 3.1.9
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><b><font color="#000000">init</font></b>(<font color="#009900">StreamID</font>, <font color="#009900">Req</font>, <font color="#009900">Opts</font>) <font color="#990000">-&gt;</font>
+ <font color="#009900">MyCommands</font> <font color="#990000">=</font> <b><font color="#000000">my_commands</font></b>(),
+ {<font color="#009900">Commands</font>, <font color="#009900">Next</font>} <font color="#990000">=</font> <b><font color="#000000">cowboy_stream:init</font></b>(<font color="#009900">StreamID</font>, <font color="#009900">Req</font>, <font color="#009900">Opts</font>),
+ {<font color="#009900">MyCommands</font> <font color="#990000">++</font> <font color="#009900">Commands</font>, <font color="#008080">#state</font>{<font color="#0000FF">next</font><font color="#990000">=</font><font color="#009900">Next</font>}}<font color="#990000">.</font></tt></pre>
+</div></div>
+<h2 id="_see_also">See also</h2>
+<p><a href="../cowboy_stream">cowboy_stream(3)</a>, <a href="../cowboy_stream.data">cowboy_stream:data(3)</a>, <a href="../cowboy_stream.info">cowboy_stream:info(3)</a>, <a href="../cowboy_stream.terminate">cowboy_stream:terminate(3)</a>, <a href="../cowboy_stream.early_error">cowboy_stream:early_error(3)</a></p>
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+ 2.12
+ Function Reference
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