Adds asio library and Storage Module
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Endpoint requirements</title>
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<link rel="prev" href="DynamicBuffer_v2.html" title="Dynamic buffer requirements (version 2)">
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<link rel="next" href="EndpointSequence.html" title="Endpoint sequence requirements">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../asio.png"></td></tr></table>
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<hr>
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<a accesskey="p" href="DynamicBuffer_v2.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.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="EndpointSequence.html"><img src="../../next.png" alt="Next"></a>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="asio.reference.Endpoint"></a><a class="link" href="Endpoint.html" title="Endpoint requirements">Endpoint requirements</a>
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</h3></div></div></div>
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<p>
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A type <code class="computeroutput">X</code> meets the <code class="computeroutput">Endpoint</code> requirements if it
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satisfies the requirements of <code class="computeroutput">Destructible</code> (C++Std [destructible]),
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<code class="computeroutput">DefaultConstructible</code> (C++Std [defaultconstructible]), <code class="computeroutput">CopyConstructible</code>
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(C++Std [copyconstructible]), and <code class="computeroutput">CopyAssignable</code> (C++Std [copyassignable]),
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as well as the additional requirements listed below.
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</p>
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<p>
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The default constructor and move operations of the type <code class="computeroutput">X</code> shall
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not exit via an exception.
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</p>
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<p>
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In the table below, <code class="computeroutput">a</code> denotes a (possibly const) value of type
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<code class="computeroutput">X</code>, and <code class="computeroutput">u</code> denotes an identifier.
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</p>
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<div class="table">
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<a name="asio.reference.Endpoint.t0"></a><p class="title"><b>Table 11. Endpoint requirements</b></p>
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<div class="table-contents"><table class="table" summary="Endpoint requirements">
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<colgroup>
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<col>
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<col>
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<col>
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</colgroup>
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<thead><tr>
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<th>
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<p>
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expression
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</p>
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<th>
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<p>
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type
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</p>
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<th>
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<p>
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assertion/note<br> pre/post-conditions
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</p>
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</th>
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</tr></thead>
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<tbody>
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<tr>
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<td>
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<p>
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<code class="computeroutput">X::protocol_type</code>
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</p>
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</td>
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<td>
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<p>
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type meeting <a class="link" href="Protocol.html" title="Protocol requirements"><code class="computeroutput">Protocol</code></a>
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requirements
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</p>
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</td>
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<td>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<code class="computeroutput">a.protocol()</code>
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</p>
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</td>
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<td>
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<p>
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<code class="computeroutput">protocol_type</code>
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</p>
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</td>
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<td>
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</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<br class="table-break"><p>
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In the table below, <code class="computeroutput">a</code> denotes a (possibly const) value of type
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<code class="computeroutput">X</code>, <code class="computeroutput">b</code> denotes a value of type <code class="computeroutput">X</code>, and
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<code class="computeroutput">s</code> denotes a (possibly const) value of a type that is convertible
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to <code class="computeroutput">size_t</code> and denotes a size in bytes.
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</p>
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<div class="table">
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<a name="asio.reference.Endpoint.t1"></a><p class="title"><b>Table 12. Endpoint requirements for extensible implementations</b></p>
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<div class="table-contents"><table class="table" summary="Endpoint requirements for extensible implementations">
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<colgroup>
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<col>
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<col>
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<col>
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</colgroup>
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<thead><tr>
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<th>
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<p>
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expression
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</p>
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</th>
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<th>
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<p>
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type
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</p>
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</th>
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<th>
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<p>
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assertion/note<br> pre/post-conditions
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</p>
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</th>
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</tr></thead>
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<tbody>
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<tr>
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<td>
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<p>
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<code class="computeroutput">a.data()</code>
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</p>
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</td>
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<td>
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<p>
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<code class="computeroutput">const void*</code>
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</p>
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</td>
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<td>
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<p>
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Returns a pointer suitable for passing as the <span class="emphasis"><em>address</em></span>
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argument to functions such as <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/connect.html" target="_top"><code class="computeroutput"><span class="identifier">connect</span><span class="special">()</span></code></a>,
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or as the <span class="emphasis"><em>dest_addr</em></span> argument to functions
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such as <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/sendto.html" target="_top"><code class="computeroutput"><span class="identifier">sendto</span><span class="special">()</span></code></a>.
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The implementation shall perform a <code class="computeroutput">static_cast</code> on
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the pointer to convert it to <code class="computeroutput">const sockaddr*</code>.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<code class="computeroutput">b.data()</code>
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</p>
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</td>
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<td>
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<p>
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<code class="computeroutput">void*</code>
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</p>
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</td>
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<td>
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<p>
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Returns a pointer suitable for passing as the <span class="emphasis"><em>address</em></span>
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argument to functions such as <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/accept.html" target="_top"><code class="computeroutput"><span class="identifier">accept</span><span class="special">()</span></code></a>,
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<a href="http://www.opengroup.org/onlinepubs/9699919799/functions/getpeername.html" target="_top"><code class="computeroutput"><span class="identifier">getpeername</span><span class="special">()</span></code></a>,
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<a href="http://www.opengroup.org/onlinepubs/9699919799/functions/getsockname.html" target="_top"><code class="computeroutput"><span class="identifier">getsockname</span><span class="special">()</span></code></a>
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and <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html" target="_top"><code class="computeroutput"><span class="identifier">recvfrom</span><span class="special">()</span></code></a>.
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The implementation shall perform a <code class="computeroutput">static_cast</code> on
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the pointer to convert it to <code class="computeroutput">sockaddr*</code>.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<code class="computeroutput">a.size()</code>
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</p>
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</td>
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<td>
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<p>
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<code class="computeroutput">size_t</code>
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</p>
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</td>
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<td>
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<p>
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Returns a value suitable for passing as the <span class="emphasis"><em>address_len</em></span>
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argument to functions such as <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/connect.html" target="_top"><code class="computeroutput"><span class="identifier">connect</span><span class="special">()</span></code></a>,
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or as the <span class="emphasis"><em>dest_len</em></span> argument to functions such
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as <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/sendto.html" target="_top"><code class="computeroutput"><span class="identifier">sendto</span><span class="special">()</span></code></a>,
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after appropriate integer conversion has been performed.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<code class="computeroutput">b.resize(s)</code>
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</p>
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</td>
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<td>
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</td>
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<td>
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<p>
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pre: <code class="computeroutput">s >= 0</code><br> post: <code class="computeroutput">a.size() == s</code><br>
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Passed the value contained in the <span class="emphasis"><em>address_len</em></span>
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argument to functions such as <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/accept.html" target="_top"><code class="computeroutput"><span class="identifier">accept</span><span class="special">()</span></code></a>,
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<a href="http://www.opengroup.org/onlinepubs/9699919799/functions/getpeername.html" target="_top"><code class="computeroutput"><span class="identifier">getpeername</span><span class="special">()</span></code></a>,
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<a href="http://www.opengroup.org/onlinepubs/9699919799/functions/getsockname.html" target="_top"><code class="computeroutput"><span class="identifier">getsockname</span><span class="special">()</span></code></a>
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and <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html" target="_top"><code class="computeroutput"><span class="identifier">recvfrom</span><span class="special">()</span></code></a>,
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after successful completion of the function. Permitted to throw
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an exception if the protocol associated with the endpoint object
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<code class="computeroutput">a</code> does not support the specified size.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<code class="computeroutput">a.capacity()</code>
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</p>
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</td>
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<td>
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<p>
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<code class="computeroutput">size_t</code>
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</p>
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</td>
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<td>
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<p>
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Returns a value suitable for passing as the <span class="emphasis"><em>address_len</em></span>
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argument to functions such as <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/accept.html" target="_top"><code class="computeroutput"><span class="identifier">accept</span><span class="special">()</span></code></a>,
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<a href="http://www.opengroup.org/onlinepubs/9699919799/functions/getpeername.html" target="_top"><code class="computeroutput"><span class="identifier">getpeername</span><span class="special">()</span></code></a>,
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<a href="http://www.opengroup.org/onlinepubs/9699919799/functions/getsockname.html" target="_top"><code class="computeroutput"><span class="identifier">getsockname</span><span class="special">()</span></code></a>
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and <a href="http://www.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html" target="_top"><code class="computeroutput"><span class="identifier">recvfrom</span><span class="special">()</span></code></a>,
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after appropriate integer conversion has been performed.
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</p>
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</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<br class="table-break">
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M.
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Kohlhoff<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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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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</p>
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</div></td>
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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="DynamicBuffer_v2.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.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="EndpointSequence.html"><img src="../../next.png" alt="Next"></a>
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