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<title>ip::address</title>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.ip__address"></a><a class="link" href="ip__address.html" title="ip::address">ip::address</a>
</h3></div></div></div>
<p>
Implements version-independent IP addresses.
</p>
<pre class="programlisting"><span class="keyword">class</span> <span class="identifier">address</span>
</pre>
<h5>
<a name="boost_asio.reference.ip__address.h0"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address.member_functions"></a></span><a class="link" href="ip__address.html#boost_asio.reference.ip__address.member_functions">Member
Functions</a>
</h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Name
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<a class="link" href="ip__address/address.html" title="ip::address::address"><span class="bold"><strong>address</strong></span></a>
</p>
</td>
<td>
<p>
Default constructor.
</p>
<p>
Construct an address from an IPv4 address.
</p>
<p>
Construct an address from an IPv6 address.
</p>
<p>
Copy constructor.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/from_string.html" title="ip::address::from_string"><span class="bold"><strong>from_string</strong></span></a>
</p>
</td>
<td>
<p>
Create an address from an IPv4 address string in dotted decimal
form, or from an IPv6 address in hexadecimal notation.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/is_loopback.html" title="ip::address::is_loopback"><span class="bold"><strong>is_loopback</strong></span></a>
</p>
</td>
<td>
<p>
Determine whether the address is a loopback address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/is_multicast.html" title="ip::address::is_multicast"><span class="bold"><strong>is_multicast</strong></span></a>
</p>
</td>
<td>
<p>
Determine whether the address is a multicast address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/is_unspecified.html" title="ip::address::is_unspecified"><span class="bold"><strong>is_unspecified</strong></span></a>
</p>
</td>
<td>
<p>
Determine whether the address is unspecified.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/is_v4.html" title="ip::address::is_v4"><span class="bold"><strong>is_v4</strong></span></a>
</p>
</td>
<td>
<p>
Get whether the address is an IP version 4 address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/is_v6.html" title="ip::address::is_v6"><span class="bold"><strong>is_v6</strong></span></a>
</p>
</td>
<td>
<p>
Get whether the address is an IP version 6 address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/operator_eq_.html" title="ip::address::operator="><span class="bold"><strong>operator=</strong></span></a>
</p>
</td>
<td>
<p>
Assign from another address.
</p>
<p>
Assign from an IPv4 address.
</p>
<p>
Assign from an IPv6 address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/to_string.html" title="ip::address::to_string"><span class="bold"><strong>to_string</strong></span></a>
</p>
</td>
<td>
<p>
Get the address as a string in dotted decimal format.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/to_v4.html" title="ip::address::to_v4"><span class="bold"><strong>to_v4</strong></span></a>
</p>
</td>
<td>
<p>
Get the address as an IP version 4 address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/to_v6.html" title="ip::address::to_v6"><span class="bold"><strong>to_v6</strong></span></a>
</p>
</td>
<td>
<p>
Get the address as an IP version 6 address.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__address.h1"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address.friends"></a></span><a class="link" href="ip__address.html#boost_asio.reference.ip__address.friends">Friends</a>
</h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Name
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<a class="link" href="ip__address/operator_not__eq_.html" title="ip::address::operator!="><span class="bold"><strong>operator!=</strong></span></a>
</p>
</td>
<td>
<p>
Compare two addresses for inequality.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/operator_lt_.html" title="ip::address::operator<"><span class="bold"><strong>operator<</strong></span></a>
</p>
</td>
<td>
<p>
Compare addresses for ordering.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/operator_lt__eq_.html" title="ip::address::operator<="><span class="bold"><strong>operator<=</strong></span></a>
</p>
</td>
<td>
<p>
Compare addresses for ordering.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/operator_eq__eq_.html" title="ip::address::operator=="><span class="bold"><strong>operator==</strong></span></a>
</p>
</td>
<td>
<p>
Compare two addresses for equality.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/operator_gt_.html" title="ip::address::operator>"><span class="bold"><strong>operator></strong></span></a>
</p>
</td>
<td>
<p>
Compare addresses for ordering.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address/operator_gt__eq_.html" title="ip::address::operator>="><span class="bold"><strong>operator>=</strong></span></a>
</p>
</td>
<td>
<p>
Compare addresses for ordering.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__address.h2"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address.related_functions"></a></span><a class="link" href="ip__address.html#boost_asio.reference.ip__address.related_functions">Related
Functions</a>
</h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Name
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<a class="link" href="ip__address/operator_lt__lt_.html" title="ip::address::operator<<"><span class="bold"><strong>operator<<</strong></span></a>
</p>
</td>
<td>
<p>
Output an address as a string.
</p>
</td>
</tr></tbody>
</table></div>
<p>
The <a class="link" href="ip__address.html" title="ip::address"><code class="computeroutput"><span class="identifier">ip</span><span class="special">::</span><span class="identifier">address</span></code></a>
class provides the ability to use either IP version 4 or version 6 addresses.
</p>
<h5>
<a name="boost_asio.reference.ip__address.h3"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address.thread_safety"></a></span><a class="link" href="ip__address.html#boost_asio.reference.ip__address.thread_safety">Thread
Safety</a>
</h5>
<p>
<span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe.
</p>
<p>
<span class="emphasis"><em>Shared</em></span> <span class="emphasis"><em>objects:</em></span> Unsafe.
</p>
<h5>
<a name="boost_asio.reference.ip__address.h4"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address.requirements"></a></span><a class="link" href="ip__address.html#boost_asio.reference.ip__address.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/ip/address.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
</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 © 2003-2013 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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