157 lines
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157 lines
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_asio.reference.write_at"></a><a class="link" href="write_at.html" title="write_at">write_at</a>
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</h3></div></div></div>
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<p>
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<a class="indexterm" name="boost_asio.indexterm.write_at"></a>
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The <code class="computeroutput">write_at</code> function is
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a composed operation that writes a certain amount of data at a specified
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offset before returning.
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</p>
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<p>
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Write all of the supplied data at the specified offset before returning.
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</p>
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<pre class="programlisting">template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename <a class="link" href="ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a>>
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std::size_t <a class="link" href="write_at/overload1.html" title="write_at (1 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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const ConstBufferSequence & buffers);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload1.html" title="write_at (1 of 8 overloads)">more...</a></em></span>
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template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename <a class="link" href="ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a>>
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std::size_t <a class="link" href="write_at/overload2.html" title="write_at (2 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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const ConstBufferSequence & buffers,
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boost::system::error_code & ec);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload2.html" title="write_at (2 of 8 overloads)">more...</a></em></span>
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</pre>
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<p>
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Write a certain amount of data at a specified offset before returning.
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</p>
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<pre class="programlisting">template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename <a class="link" href="ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a>,
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typename <a class="link" href="CompletionCondition.html" title="Completion condition requirements">CompletionCondition</a>>
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std::size_t <a class="link" href="write_at/overload3.html" title="write_at (3 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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const ConstBufferSequence & buffers,
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CompletionCondition completion_condition);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload3.html" title="write_at (3 of 8 overloads)">more...</a></em></span>
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template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename <a class="link" href="ConstBufferSequence.html" title="Constant buffer sequence requirements">ConstBufferSequence</a>,
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typename <a class="link" href="CompletionCondition.html" title="Completion condition requirements">CompletionCondition</a>>
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std::size_t <a class="link" href="write_at/overload4.html" title="write_at (4 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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const ConstBufferSequence & buffers,
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CompletionCondition completion_condition,
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boost::system::error_code & ec);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload4.html" title="write_at (4 of 8 overloads)">more...</a></em></span>
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</pre>
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<p>
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Write all of the supplied data at the specified offset before returning.
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</p>
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<pre class="programlisting">template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename Allocator>
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std::size_t <a class="link" href="write_at/overload5.html" title="write_at (5 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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basic_streambuf< Allocator > & b);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload5.html" title="write_at (5 of 8 overloads)">more...</a></em></span>
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template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename Allocator>
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std::size_t <a class="link" href="write_at/overload6.html" title="write_at (6 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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basic_streambuf< Allocator > & b,
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boost::system::error_code & ec);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload6.html" title="write_at (6 of 8 overloads)">more...</a></em></span>
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</pre>
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<p>
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Write a certain amount of data at a specified offset before returning.
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</p>
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<pre class="programlisting">template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename Allocator,
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typename <a class="link" href="CompletionCondition.html" title="Completion condition requirements">CompletionCondition</a>>
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std::size_t <a class="link" href="write_at/overload7.html" title="write_at (7 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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basic_streambuf< Allocator > & b,
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CompletionCondition completion_condition);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload7.html" title="write_at (7 of 8 overloads)">more...</a></em></span>
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template<
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typename <a class="link" href="SyncRandomAccessWriteDevice.html" title="Buffer-oriented synchronous random-access write device requirements">SyncRandomAccessWriteDevice</a>,
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typename Allocator,
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typename <a class="link" href="CompletionCondition.html" title="Completion condition requirements">CompletionCondition</a>>
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std::size_t <a class="link" href="write_at/overload8.html" title="write_at (8 of 8 overloads)">write_at</a>(
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SyncRandomAccessWriteDevice & d,
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uint64_t offset,
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basic_streambuf< Allocator > & b,
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CompletionCondition completion_condition,
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boost::system::error_code & ec);
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<span class="emphasis"><em>» <a class="link" href="write_at/overload8.html" title="write_at (8 of 8 overloads)">more...</a></em></span>
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</pre>
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<h5>
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<a name="boost_asio.reference.write_at.h0"></a>
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<span class="phrase"><a name="boost_asio.reference.write_at.requirements"></a></span><a class="link" href="write_at.html#boost_asio.reference.write_at.requirements">Requirements</a>
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</h5>
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<p>
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<span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/write_at.hpp</code>
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</p>
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<p>
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<span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
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</p>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2021 Christopher
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M. Kohlhoff<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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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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</p>
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</div></td>
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