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27 <a name="boost_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
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31 Write some data to the handle at the specified offset.
33 <pre class="programlisting">template<
34 typename <a class="link" href="../../ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a>>
35 std::size_t write_some_at(
37 const ConstBufferSequence & buffers,
38 boost::system::error_code & ec);
41 This function is used to write data to the random-access handle. The
42 function call will block until one or more bytes of the data has been
43 written successfully, or until an error occurs.
46 <a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.h0"></a>
47 <span class="phrase"><a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.parameters"></a></span><a class="link" href="overload2.html#boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.parameters">Parameters</a>
49 <div class="variablelist">
50 <p class="title"><b></b></p>
51 <dl class="variablelist">
52 <dt><span class="term">offset</span></dt>
54 The offset at which the data will be written.
56 <dt><span class="term">buffers</span></dt>
58 One or more data buffers to be written to the handle.
60 <dt><span class="term">ec</span></dt>
62 Set to indicate what error occurred, if any.
67 <a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.h1"></a>
68 <span class="phrase"><a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.return_value"></a></span><a class="link" href="overload2.html#boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.return_value">Return
72 The number of bytes written. Returns 0 if an error occurred.
75 <a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.h2"></a>
76 <span class="phrase"><a name="boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.remarks"></a></span><a class="link" href="overload2.html#boost_asio.reference.windows__basic_random_access_handle.write_some_at.overload2.remarks">Remarks</a>
79 The write_some operation may not transmit all of the data to the peer.
80 Consider using the <a class="link" href="../../write_at.html" title="write_at"><code class="computeroutput">write_at</code></a>
81 function if you need to ensure that all data is written before the blocking
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87 <td align="right"><div class="copyright-footer">Copyright © 2003-2019 Christopher M. Kohlhoff<p>
88 Distributed under the Boost Software License, Version 1.0. (See accompanying
89 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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