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 -<div id="header">
 -<h1>
 -zmq_cpp(7) Manual Page
 -</h1>
 -<h2>NAME</h2>
 -<div class="sectionbody">
 -<p>zmq_cpp -
 -   interface between 0MQ and C++ applications
 -</p>
 -</div>
 -</div>
 -<div id="content">
 -<h2 id="_synopsis">SYNOPSIS</h2>
 -<div class="sectionbody">
 -<div class="paragraph"><p><strong>#include <zmq.hpp></strong></p></div>
 -<div class="paragraph"><p><strong>c++</strong> [<em>flags</em>] <em>files</em> <strong>-lzmq</strong> [<em>libraries</em>]</p></div>
 -</div>
 -<h2 id="_description">DESCRIPTION</h2>
 -<div class="sectionbody">
 -<div class="paragraph"><p>This manual page describes how the ØMQ C++ language binding maps to the
 -underlying ØMQ C library functions.</p></div>
 -<div class="paragraph"><p>All ØMQ constants defined by <em>zmq.h</em> are also available to the C++ language
 -binding.</p></div>
 -<div class="paragraph"><p>The following classes are provided in the <em>zmq</em> namespace:</p></div>
 -<h3 id="_context">Context</h3><div style="clear:left"></div>
 -<div class="paragraph"><p>The <em>context_t</em> class encapsulates functionality dealing with the
 -initialisation and termination of a ØMQ <em>context</em>.</p></div>
 -<h4 id="_constructor">Constructor</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>context_t::context_t(int <em>io_threads</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_init()</em> function, as described in <a href="zmq_init.html">zmq_init(3)</a>.</p></div>
 -<h4 id="_destructor">Destructor</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>context_t::~context_t(void)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_term()</em> function, as described in <a href="zmq_term.html">zmq_term(3)</a>.</p></div>
 -<h4 id="_methods">Methods</h4>
 -<div class="paragraph"><p>None.</p></div>
 -<h3 id="_socket">Socket</h3><div style="clear:left"></div>
 -<div class="paragraph"><p>The <em>socket_t</em> class encapsulates a ØMQ socket.</p></div>
 -<h4 id="_constructor_2">Constructor</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>socket_t::socket_t(context_t <em>&context</em>, int <em>type</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_socket()</em> function, as described in <a href="zmq_socket.html">zmq_socket(3)</a>.</p></div>
 -<h4 id="_destructor_2">Destructor</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>socket_t::~socket_t(void)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Calls the <em>zmq_close()</em> function, as described in <a href="zmq_close.html">zmq_close(3)</a>.</p></div>
 -<h4 id="_methods_2">Methods</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>void socket_t::getsockopt(int <em>option_name</em>, void <em>*option_value</em>, size_t
 -<em>*option_len</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_getsockopt()</em> function, as described in
 -<a href="zmq_getsockopt.html">zmq_getsockopt(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>void socket_t::setsockopt(int <em>option_name</em>, const void <em>*option_value</em>, size_t
 -<em>option_len</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_setsockopt()</em> function, as described in
 -<a href="zmq_setsockopt.html">zmq_setsockopt(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>void socket_t::bind(const char <em>*endpoint</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_bind()</em> function, as described in <a href="zmq_bind.html">zmq_bind(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>void socket_t::connect(const char <em>*endpoint</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_connect()</em> function, as described in <a href="zmq_connect.html">zmq_connect(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>bool socket_t::send(message_t <em>&msg</em>, int <em>flags</em> = 0)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_send()</em> function, as described in <a href="zmq_send.html">zmq_send(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>bool socket_t::recv(message_t <em>*msg</em>, int <em>flags</em> = 0)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_recv()</em> function, as described in <a href="zmq_recv.html">zmq_recv(3)</a>.</p></div>
 -<h3 id="_message">Message</h3><div style="clear:left"></div>
 -<div class="paragraph"><p>The <em>zmq::message_t</em> class encapsulates the <em>zmq_msg_t</em> structure and
 -functions to construct, destruct and manipulate ØMQ messages.</p></div>
 -<h4 id="_constructor_3">Constructor</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>message_t::message_t(void)</strong>
 -<strong>message_t::message_t(size_t <em>size</em>)</strong>
 -<strong>message_t::message_t(void <em>*data</em>, size_t <em>size</em>, free_fn <em>*ffn</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>These map to the <em>zmq_msg_init()</em>, <em>zmq_msg_init_size()</em> and
 -<em>zmq_msg_init_data()</em> functions, described in <a href="zmq_msg_init.html">zmq_msg_init(3)</a>,
 -<a href="zmq_msg_init_size.html">zmq_msg_init_size(3)</a> and <a href="zmq_msg_init_data.html">zmq_msg_init_data(3)</a> respectively.</p></div>
 -<h4 id="_destructor_3">Destructor</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>message_t::~message_t(void)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Calls the <em>zmq_msg_close()</em> function, as described in <a href="zmq_msg_close.html">zmq_msg_close(3)</a>.</p></div>
 -<h4 id="_methods_3">Methods</h4>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>void *message_t::data (void)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_msg_data()</em> function, as described in <a href="zmq_msg_data.html">zmq_msg_data(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>size_t message_t::size (void)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_msg_size()</em> function, as described in <a href="zmq_msg_size.html">zmq_msg_size(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>void message_t::copy (message_t <em>*src</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_msg_copy()</em> function, as described in <a href="zmq_msg_copy.html">zmq_msg_copy(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>void message_t::move (message_t <em>*src</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Maps to the <em>zmq_msg_move()</em> function, as described in <a href="zmq_msg_move.html">zmq_msg_move(3)</a>.</p></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>message_t::rebuild(void)</strong>
 -<strong>message_t::rebuild(size_t <em>size</em>)</strong>
 -<strong>message_t::rebuild(void <em>*data</em>, size_t <em>size</em>, free_fn <em>*ffn</em>)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>Equivalent to calling the <em>zmq_msg_close()</em> function followed by the
 -corresponding <em>zmq_msg_init()</em> function.</p></div>
 -<h3 id="_input_output_multiplexing">Input/output multiplexing</h3><div style="clear:left"></div>
 -<div class="verseblock">
 -<div class="verseblock-content"><strong>int poll (zmq_pollitem_t *items, int nitems, long timeout = -1)</strong></div>
 -<div class="verseblock-attribution">
 -</div></div>
 -<div class="paragraph"><p>The <em>poll()</em> function is a namespaced equivalent of the <em>zmq_poll()</em> function,
 -as described in <a href="zmq_poll.html">zmq_poll(3)</a>.</p></div>
 -<div class="admonitionblock">
 -<table><tr>
 -<td class="icon">
 -<div class="title">Note</div>
 -</td>
 -<td class="content">To obtain a ØMQ <em>socket</em> for use in a <em>zmq_pollitem_t</em> structure, you
 -should cast an instance of the <em>socket_t</em> class to <tt>(void *)</tt>.</td>
 -</tr></table>
 -</div>
 -</div>
 -<h2 id="_error_handling">ERROR HANDLING</h2>
 -<div class="sectionbody">
 -<div class="paragraph"><p>All errors reported by the underlying ØMQ C library functions are automatically
 -converted to exceptions by the C++ language binding.  The <em>zmq::error_t</em> class
 -is derived from the <em>std::exception</em> class and uses the <em>zmq_strerror()</em>
 -function to convert the error code to human-readable string.</p></div>
 -</div>
 -<h2 id="_example">EXAMPLE</h2>
 -<div class="sectionbody">
 -<div class="listingblock">
 -<div class="content">
 -<pre><tt>zmq::context_t ctx (1);
 -zmq::socket_t s (ctx, ZMQ_PUB);
 -s.connect ("tcp://192.168.0.115:5555");
 -zmq::message_t msg (100);
 -memset (msg.data (), 0, 100);
 -s.send (msg);</tt></pre>
 -</div></div>
 -</div>
 -<h2 id="_see_also">SEE ALSO</h2>
 -<div class="sectionbody">
 -<div class="paragraph"><p><a href="zmq.html">zmq(7)</a></p></div>
 -</div>
 -<h2 id="_authors">AUTHORS</h2>
 -<div class="sectionbody">
 -<div class="paragraph"><p>The ØMQ documentation was written by Martin Sustrik <<a href="mailto:sustrik@250bpm.com">sustrik@250bpm.com</a>> and
 -Martin Lucina <<a href="mailto:mato@kotelna.sk">mato@kotelna.sk</a>>.</p></div>
 -</div>
 -</div>
 -<div id="footnotes"><hr /></div>
 -<div id="footer">
 -<div id="footer-text">
 -ØMQ 2.0.10<br />
 -Last updated 2010-10-15 19:40:36 CEST
 -</div>
 -</div>
 -</body>
 -</html>
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