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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.ip__network_v4"></a><a class="link" href="ip__network_v4.html" title="ip::network_v4">ip::network_v4</a>
</h3></div></div></div>
<p>
<a class="indexterm" name="boost_asio.indexterm.ip__network_v4"></a>
</p>
<p>
Represents an IPv4 network.
</p>
<pre class="programlisting">class network_v4
</pre>
<h5>
<a name="boost_asio.reference.ip__network_v4.h0"></a>
<span class="phrase"><a name="boost_asio.reference.ip__network_v4.member_functions"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.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__network_v4/address.html" title="ip::network_v4::address"><span class="bold"><strong>address</strong></span></a>
</p>
</td>
<td>
<p>
Obtain the address object specified when the network object was
created.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/broadcast.html" title="ip::network_v4::broadcast"><span class="bold"><strong>broadcast</strong></span></a>
</p>
</td>
<td>
<p>
Obtain an address object that represents the network's broadcast
address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/canonical.html" title="ip::network_v4::canonical"><span class="bold"><strong>canonical</strong></span></a>
</p>
</td>
<td>
<p>
Obtain the true network address, omitting any host bits.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/hosts.html" title="ip::network_v4::hosts"><span class="bold"><strong>hosts</strong></span></a>
</p>
</td>
<td>
<p>
Obtain an address range corresponding to the hosts in the network.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/is_host.html" title="ip::network_v4::is_host"><span class="bold"><strong>is_host</strong></span></a>
</p>
</td>
<td>
<p>
Test if network is a valid host address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/is_subnet_of.html" title="ip::network_v4::is_subnet_of"><span class="bold"><strong>is_subnet_of</strong></span></a>
</p>
</td>
<td>
<p>
Test if a network is a real subnet of another network.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/netmask.html" title="ip::network_v4::netmask"><span class="bold"><strong>netmask</strong></span></a>
</p>
</td>
<td>
<p>
Obtain the netmask that was specified when the network object was
created.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/network.html" title="ip::network_v4::network"><span class="bold"><strong>network</strong></span></a>
</p>
</td>
<td>
<p>
Obtain an address object that represents the network address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/network_v4.html" title="ip::network_v4::network_v4"><span class="bold"><strong>network_v4</strong></span></a> <span class="silver">[constructor]</span>
</p>
</td>
<td>
<p>
Default constructor. <br> <span class="silver"> —</span><br> Construct a network based on
the specified address and prefix length. <br> <span class="silver"> —</span><br> Construct
network based on the specified address and netmask. <br> <span class="silver"> —</span><br>
Copy constructor.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/operator_eq_.html" title="ip::network_v4::operator="><span class="bold"><strong>operator=</strong></span></a>
</p>
</td>
<td>
<p>
Assign from another network.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/prefix_length.html" title="ip::network_v4::prefix_length"><span class="bold"><strong>prefix_length</strong></span></a>
</p>
</td>
<td>
<p>
Obtain the prefix length that was specified when the network object
was created.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/to_string.html" title="ip::network_v4::to_string"><span class="bold"><strong>to_string</strong></span></a>
</p>
</td>
<td>
<p>
Get the network as an address in dotted decimal format.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__network_v4.h1"></a>
<span class="phrase"><a name="boost_asio.reference.ip__network_v4.friends"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.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__network_v4/operator_not__eq_.html" title="ip::network_v4::operator!="><span class="bold"><strong>operator!=</strong></span></a>
</p>
</td>
<td>
<p>
Compare two networks for inequality.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__network_v4/operator_eq__eq_.html" title="ip::network_v4::operator=="><span class="bold"><strong>operator==</strong></span></a>
</p>
</td>
<td>
<p>
Compare two networks for equality.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__network_v4.h2"></a>
<span class="phrase"><a name="boost_asio.reference.ip__network_v4.related_functions"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.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__network_v4/make_network_v4.html" title="ip::network_v4::make_network_v4"><span class="bold"><strong>make_network_v4</strong></span></a>
</p>
</td>
<td>
<p>
Create an IPv4 network from a string containing IP address and
prefix length.
</p>
</td>
</tr></tbody>
</table></div>
<p>
The <a class="link" href="ip__network_v4.html" title="ip::network_v4"><code class="computeroutput">ip::network_v4</code></a>
class provides the ability to use and manipulate IP version 4 networks.
</p>
<h5>
<a name="boost_asio.reference.ip__network_v4.h3"></a>
<span class="phrase"><a name="boost_asio.reference.ip__network_v4.thread_safety"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.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__network_v4.h4"></a>
<span class="phrase"><a name="boost_asio.reference.ip__network_v4.requirements"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/ip/network_v4.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
</p>
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<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 © 2003-2021 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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