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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.ip__address_v4"></a><a class="link" href="ip__address_v4.html" title="ip::address_v4">ip::address_v4</a>
</h3></div></div></div>
<p>
Implements IP version 4 style addresses.
</p>
<pre class="programlisting"><span class="keyword">class</span> <span class="identifier">address_v4</span>
</pre>
<h5>
<a name="boost_asio.reference.ip__address_v4.h0"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address_v4.types"></a></span><a class="link" href="ip__address_v4.html#boost_asio.reference.ip__address_v4.types">Types</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_v4/bytes_type.html" title="ip::address_v4::bytes_type"><span class="bold"><strong>bytes_type</strong></span></a>
</p>
</td>
<td>
<p>
The type used to represent an address as an array of bytes.
</p>
</td>
</tr></tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__address_v4.h1"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address_v4.member_functions"></a></span><a class="link" href="ip__address_v4.html#boost_asio.reference.ip__address_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__address_v4/address_v4.html" title="ip::address_v4::address_v4"><span class="bold"><strong>address_v4</strong></span></a>
</p>
</td>
<td>
<p>
Default constructor.
</p>
<p>
Construct an address from raw bytes.
</p>
<p>
Construct an address from a unsigned long in host byte order.
</p>
<p>
Copy constructor.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/any.html" title="ip::address_v4::any"><span class="bold"><strong>any</strong></span></a>
</p>
</td>
<td>
<p>
Obtain an address object that represents any address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/broadcast.html" title="ip::address_v4::broadcast"><span class="bold"><strong>broadcast</strong></span></a>
</p>
</td>
<td>
<p>
Obtain an address object that represents the broadcast address.
</p>
<p>
Obtain an address object that represents the broadcast address
that corresponds to the specified address and netmask.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/from_string.html" title="ip::address_v4::from_string"><span class="bold"><strong>from_string</strong></span></a>
</p>
</td>
<td>
<p>
Create an address from an IP address string in dotted decimal form.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/is_class_a.html" title="ip::address_v4::is_class_a"><span class="bold"><strong>is_class_a</strong></span></a>
</p>
</td>
<td>
<p>
Determine whether the address is a class A address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/is_class_b.html" title="ip::address_v4::is_class_b"><span class="bold"><strong>is_class_b</strong></span></a>
</p>
</td>
<td>
<p>
Determine whether the address is a class B address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/is_class_c.html" title="ip::address_v4::is_class_c"><span class="bold"><strong>is_class_c</strong></span></a>
</p>
</td>
<td>
<p>
Determine whether the address is a class C address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/is_loopback.html" title="ip::address_v4::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_v4/is_multicast.html" title="ip::address_v4::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_v4/is_unspecified.html" title="ip::address_v4::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_v4/loopback.html" title="ip::address_v4::loopback"><span class="bold"><strong>loopback</strong></span></a>
</p>
</td>
<td>
<p>
Obtain an address object that represents the loopback address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/netmask.html" title="ip::address_v4::netmask"><span class="bold"><strong>netmask</strong></span></a>
</p>
</td>
<td>
<p>
Obtain the netmask that corresponds to the address, based on its
address class.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/operator_eq_.html" title="ip::address_v4::operator="><span class="bold"><strong>operator=</strong></span></a>
</p>
</td>
<td>
<p>
Assign from another address.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/to_bytes.html" title="ip::address_v4::to_bytes"><span class="bold"><strong>to_bytes</strong></span></a>
</p>
</td>
<td>
<p>
Get the address in bytes, in network byte order.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__address_v4/to_string.html" title="ip::address_v4::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_v4/to_ulong.html" title="ip::address_v4::to_ulong"><span class="bold"><strong>to_ulong</strong></span></a>
</p>
</td>
<td>
<p>
Get the address as an unsigned long in host byte order.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__address_v4.h2"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address_v4.friends"></a></span><a class="link" href="ip__address_v4.html#boost_asio.reference.ip__address_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__address_v4/operator_not__eq_.html" title="ip::address_v4::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_v4/operator_lt_.html" title="ip::address_v4::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_v4/operator_lt__eq_.html" title="ip::address_v4::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_v4/operator_eq__eq_.html" title="ip::address_v4::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_v4/operator_gt_.html" title="ip::address_v4::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_v4/operator_gt__eq_.html" title="ip::address_v4::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_v4.h3"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address_v4.related_functions"></a></span><a class="link" href="ip__address_v4.html#boost_asio.reference.ip__address_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__address_v4/operator_lt__lt_.html" title="ip::address_v4::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_v4.html" title="ip::address_v4"><code class="computeroutput"><span class="identifier">ip</span><span class="special">::</span><span class="identifier">address_v4</span></code></a>
class provides the ability to use and manipulate IP version 4 addresses.
</p>
<h5>
<a name="boost_asio.reference.ip__address_v4.h4"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address_v4.thread_safety"></a></span><a class="link" href="ip__address_v4.html#boost_asio.reference.ip__address_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__address_v4.h5"></a>
<span class="phrase"><a name="boost_asio.reference.ip__address_v4.requirements"></a></span><a class="link" href="ip__address_v4.html#boost_asio.reference.ip__address_v4.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/ip/address_v4.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
</p>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2015 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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