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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.const_buffer"></a><a class="link" href="const_buffer.html" title="const_buffer"> const_buffer</a>
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<p>
Holds a buffer that cannot be modified.
</p>
<pre class="programlisting"><span class="keyword">class</span> <span class="identifier">const_buffer</span>
</pre>
<a name="boost_asio.reference.const_buffer.member_functions"></a><h5>
<a name="id921406"></a>
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<p>
<a class="link" href="const_buffer/const_buffer.html" title="const_buffer::const_buffer"><span class="bold"><strong>const_buffer</strong></span></a>
</p>
</td>
<td>
<p>
Construct an empty buffer.
</p>
<p>
Construct a buffer to represent a given memory range.
</p>
<p>
Construct a non-modifiable buffer from a modifiable one.
</p>
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<a name="boost_asio.reference.const_buffer.related_functions"></a><h5>
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<p>
<a class="link" href="const_buffer/buffer_cast.html" title="const_buffer::buffer_cast"><span class="bold"><strong>buffer_cast</strong></span></a>
</p>
</td>
<td>
<p>
Cast a non-modifiable buffer to a specified pointer to POD type.
</p>
</td>
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<p>
<a class="link" href="const_buffer/buffer_size.html" title="const_buffer::buffer_size"><span class="bold"><strong>buffer_size</strong></span></a>
</p>
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<td>
<p>
Get the number of bytes in a non-modifiable buffer.
</p>
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<a class="link" href="const_buffer/operator_plus_.html" title="const_buffer::operator+"><span class="bold"><strong>operator+</strong></span></a>
</p>
</td>
<td>
<p>
Create a new non-modifiable buffer that is offset from the start
of another.
</p>
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<p>
The <a class="link" href="const_buffer.html" title="const_buffer"><code class="computeroutput"><span class="identifier">const_buffer</span></code></a>
class provides a safe representation of a buffer that cannot be modified.
It does not own the underlying data, and so is cheap to copy or assign.
</p>
<a name="boost_asio.reference.const_buffer.requirements"></a><h5>
<a name="id921664"></a>
<a class="link" href="const_buffer.html#boost_asio.reference.const_buffer.requirements">Requirements</a>
</h5>
<p>
<span class="bold"><strong>Header: </strong></span><code class="literal">boost/asio/buffer.hpp</code>
</p>
<p>
<span class="bold"><strong>Convenience header: </strong></span><code class="literal">boost/asio.hpp</code>
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<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>)
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