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<a name="asio.reference.windows__basic_random_access_handle.write_some_at.overload2"></a><a class="link" href="overload2.html" title="windows::basic_random_access_handle::write_some_at (2 of 2 overloads)">
windows::basic_random_access_handle::write_some_at (2 of 2 overloads)</a>
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<p>
Write some data to the handle at the specified offset.
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
<span class="keyword">typename</span> <a class="link" href="../../ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a><span class="special">></span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">write_some_at</span><span class="special">(</span>
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">uint64_t</span> <span class="identifier">offset</span><span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">ConstBufferSequence</span> <span class="special">&</span> <span class="identifier">buffers</span><span class="special">,</span>
<span class="identifier">asio</span><span class="special">::</span><span class="identifier">error_code</span> <span class="special">&</span> <span class="identifier">ec</span><span class="special">);</span>
</pre>
<p>
This function is used to write data to the random-access handle. The
function call will block until one or more bytes of the data has been
written successfully, or until an error occurs.
</p>
<a name="asio.reference.windows__basic_random_access_handle.write_some_at.overload2.parameters"></a><h6>
<a name="id1042622"></a>
<a class="link" href="overload2.html#asio.reference.windows__basic_random_access_handle.write_some_at.overload2.parameters">Parameters</a>
</h6>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">offset</span></dt>
<dd><p>
The offset at which the data will be written.
</p></dd>
<dt><span class="term">buffers</span></dt>
<dd><p>
One or more data buffers to be written to the handle.
</p></dd>
<dt><span class="term">ec</span></dt>
<dd><p>
Set to indicate what error occurred, if any.
</p></dd>
</dl>
</div>
<a name="asio.reference.windows__basic_random_access_handle.write_some_at.overload2.return_value"></a><h6>
<a name="id1042687"></a>
<a class="link" href="overload2.html#asio.reference.windows__basic_random_access_handle.write_some_at.overload2.return_value">Return
Value</a>
</h6>
<p>
The number of bytes written. Returns 0 if an error occurred.
</p>
<a name="asio.reference.windows__basic_random_access_handle.write_some_at.overload2.remarks"></a><h6>
<a name="id1042712"></a>
<a class="link" href="overload2.html#asio.reference.windows__basic_random_access_handle.write_some_at.overload2.remarks">Remarks</a>
</h6>
<p>
The write_some operation may not transmit all of the data to the peer.
Consider using the <a class="link" href="../../write_at.html" title="write_at"><code class="computeroutput"><span class="identifier">write_at</span></code></a> function if you need
to ensure that all data is written before the blocking operation completes.
</p>
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<td align="right"><div class="copyright-footer">Copyright © 2003 - 2010 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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