<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>posix::basic_stream_descriptor::lowest_layer (2 of 2 overloads)</title> <link rel="stylesheet" href="../../../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2"> <link rel="start" href="../../../../index.html" title="Asio"> <link rel="up" href="../lowest_layer.html" title="posix::basic_stream_descriptor::lowest_layer"> <link rel="prev" href="overload1.html" title="posix::basic_stream_descriptor::lowest_layer (1 of 2 overloads)"> <link rel="next" href="../lowest_layer_type.html" title="posix::basic_stream_descriptor::lowest_layer_type"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../../../asio.png"></td></tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="overload1.html"><img src="../../../../prev.png" alt="Prev"></a><a accesskey="u" href="../lowest_layer.html"><img src="../../../../up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../home.png" alt="Home"></a><a accesskey="n" href="../lowest_layer_type.html"><img src="../../../../next.png" alt="Next"></a> </div> <div class="section" lang="en"> <div class="titlepage"><div><div><h5 class="title"> <a name="asio.reference.posix__basic_stream_descriptor.lowest_layer.overload2"></a><a class="link" href="overload2.html" title="posix::basic_stream_descriptor::lowest_layer (2 of 2 overloads)">posix::basic_stream_descriptor::lowest_layer (2 of 2 overloads)</a> </h5></div></div></div> <p> <span class="emphasis"><em>Inherited from posix::basic_descriptor.</em></span> </p> <p> Get a const reference to the lowest layer. </p> <pre class="programlisting"><span class="keyword">const</span> <span class="identifier">lowest_layer_type</span> <span class="special">&</span> <span class="identifier">lowest_layer</span><span class="special">()</span> <span class="keyword">const</span><span class="special">;</span> </pre> <p> This function returns a const reference to the lowest layer in a stack of layers. Since a <a class="link" href="../../posix__basic_descriptor.html" title="posix::basic_descriptor"><code class="computeroutput"><span class="identifier">posix</span><span class="special">::</span><span class="identifier">basic_descriptor</span></code></a> cannot contain any further layers, it simply returns a reference to itself. </p> <a name="asio.reference.posix__basic_stream_descriptor.lowest_layer.overload2.return_value"></a><h6> <a name="id1093289"></a> <a class="link" href="overload2.html#asio.reference.posix__basic_stream_descriptor.lowest_layer.overload2.return_value">Return Value</a> </h6> <p> A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. </p> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003 - 2010 Christopher M. Kohlhoff<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="overload1.html"><img src="../../../../prev.png" alt="Prev"></a><a accesskey="u" href="../lowest_layer.html"><img src="../../../../up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../home.png" alt="Home"></a><a accesskey="n" href="../lowest_layer_type.html"><img src="../../../../next.png" alt="Next"></a> </div> </body> </html>