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  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_asio.reference.buffer_size"></a><a class="link" href="buffer_size.html" title="buffer_size">buffer_size</a>
  28 </h3></div></div></div>
  29 <p>
  30         <a class="indexterm" name="id1294653"></a>
  31 The <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">buffer_size</span></code> function determines the total
  32         number of bytes in a buffer or buffer sequence.
  33       </p>
  34 <pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload1.html" title="buffer_size (1 of 5 overloads)">buffer_size</a><span class="special">(</span>
  35     <span class="keyword">const</span> <span class="identifier">mutable_buffer</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  36   <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload1.html" title="buffer_size (1 of 5 overloads)">more...</a></em></span>
  37
  38 <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload2.html" title="buffer_size (2 of 5 overloads)">buffer_size</a><span class="special">(</span>
  39     <span class="keyword">const</span> <span class="identifier">mutable_buffers_1</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  40   <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload2.html" title="buffer_size (2 of 5 overloads)">more...</a></em></span>
  41
  42 <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload3.html" title="buffer_size (3 of 5 overloads)">buffer_size</a><span class="special">(</span>
  43     <span class="keyword">const</span> <span class="identifier">const_buffer</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  44   <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload3.html" title="buffer_size (3 of 5 overloads)">more...</a></em></span>
  45
  46 <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload4.html" title="buffer_size (4 of 5 overloads)">buffer_size</a><span class="special">(</span>
  47     <span class="keyword">const</span> <span class="identifier">const_buffers_1</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  48   <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload4.html" title="buffer_size (4 of 5 overloads)">more...</a></em></span>
  49
  50 <span class="keyword">template</span><span class="special">&lt;</span>
  51     <span class="keyword">typename</span> <span class="identifier">BufferSequence</span><span class="special">&gt;</span>
  52 <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload5.html" title="buffer_size (5 of 5 overloads)">buffer_size</a><span class="special">(</span>
  53     <span class="keyword">const</span> <span class="identifier">BufferSequence</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  54   <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload5.html" title="buffer_size (5 of 5 overloads)">more...</a></em></span>
  55 </pre>
  56 <h5>
  57 <a name="boost_asio.reference.buffer_size.h0"></a>
  58         <span><a name="boost_asio.reference.buffer_size.requirements"></a></span><a class="link" href="buffer_size.html#boost_asio.reference.buffer_size.requirements">Requirements</a>
  59       </h5>
  60 <p>
  61         <span class="bold"><strong>Header: </strong></span><code class="literal">boost/asio/buffer.hpp</code>
  62       </p>
  63 <p>
  64         <span class="bold"><strong>Convenience header: </strong></span><code class="literal">boost/asio.hpp</code>
  65       </p>
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