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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `LioCb` struct in crate `nix`."><meta name="keywords" content="rust, rustlang, rust-lang, LioCb"><title>nix::sys::aio::LioCb - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><p class='location'>Struct LioCb</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#fields">Fields</a><div class="sidebar-links"><a href="#structfield.aiocbs">aiocbs</a></div><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.with_capacity">with_capacity</a><a href="#method.listio">listio</a><a href="#method.listio_resubmit">listio_resubmit</a><a href="#method.aio_return">aio_return</a><a href="#method.error">error</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-From%3CVec%3CAioCb%3C%27a%3E%3E%3E">From&lt;Vec&lt;AioCb&lt;&#39;a&gt;&gt;&gt;</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">!Send</a><a href="#impl-Sync">!Sync</a></div></div><p class='location'><a href='../../index.html'>nix</a>::<wbr><a href='../index.html'>sys</a>::<wbr><a href='index.html'>aio</a></p><script>window.sidebarCurrent = {name: 'LioCb', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press S to search, ? for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Struct <a href='../../index.html'>nix</a>::<wbr><a href='../index.html'>sys</a>::<wbr><a href='index.html'>aio</a>::<wbr><a class="struct" href=''>LioCb</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>&#x2212;</span>]</a></span><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1050-1068' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust struct'>pub struct LioCb&lt;'a&gt; {
pub aiocbs: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="../../../nix/sys/aio/struct.AioCb.html" title="struct nix::sys::aio::AioCb">AioCb</a>&lt;'a&gt;&gt;,
// some fields omitted
}</pre></div><div class='docblock'><p>LIO Control Block.</p>
<p>The basic structure used to issue multiple AIO operations simultaneously.</p>
</div><h2 id='fields' class='fields small-section-header'>
Fields<a href='#fields' class='anchor'></a></h2><span id="structfield.aiocbs" class="structfield small-section-header">
<a href="#structfield.aiocbs" class="anchor field"></a>
<span id="aiocbs.v" class='invisible'>
<code>aiocbs: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="../../../nix/sys/aio/struct.AioCb.html" title="struct nix::sys::aio::AioCb">AioCb</a>&lt;'a&gt;&gt;</code>
</span></span><div class='docblock'><p>A collection of <a href="struct.AioCb.html"><code>AioCb</code></a>s. All of these will be issued simultaneously
by the <a href="#method.listio"><code>listio</code></a> method.</p>
</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;'a&gt; <a class="struct" href="../../../nix/sys/aio/struct.LioCb.html" title="struct nix::sys::aio::LioCb">LioCb</a>&lt;'a&gt;</code><a href='#impl' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1071-1266' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.with_capacity' class="method"><span id='with_capacity.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.with_capacity' class='fnname'>with_capacity</a>(capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="struct" href="../../../nix/sys/aio/struct.LioCb.html" title="struct nix::sys::aio::LioCb">LioCb</a>&lt;'a&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1073-1079' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Initialize an empty <code>LioCb</code></p>
</div><h4 id='method.listio' class="method"><span id='listio.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.listio' class='fnname'>listio</a>(&amp;mut self, mode: <a class="enum" href="../../../nix/sys/aio/enum.LioMode.html" title="enum nix::sys::aio::LioMode">LioMode</a>, sigev_notify: <a class="enum" href="../../../nix/sys/signal/enum.SigevNotify.html" title="enum nix::sys::signal::SigevNotify">SigevNotify</a>) -&gt; <a class="type" href="../../../nix/type.Result.html" title="type nix::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1128-1142' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Submits multiple asynchronous I/O requests with a single system call.</p>
<p>They are not guaranteed to complete atomically, and the order in which
the requests are carried out is not specified. Reads, writes, and
fsyncs may be freely mixed.</p>
<p>This function is useful for reducing the context-switch overhead of
submitting many AIO operations. It can also be used with
<code>LioMode::LIO_WAIT</code> to block on the result of several independent
operations. Used that way, it is often useful in programs that
otherwise make little use of AIO.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<p>Use <code>listio</code> to submit an aio operation and wait for its completion. In
this case, there is no need to use <a href="fn.aio_suspend.html"><code>aio_suspend</code></a> to wait or
<a href="struct.AioCb.html#method.error"><code>AioCb::error</code></a> to poll.</p>
<pre class="rust rust-example-rendered">
<span class="kw">const</span> <span class="ident">WBUF</span>: <span class="kw-2">&amp;</span>[<span class="ident">u8</span>] <span class="op">=</span> <span class="string">b&quot;abcdef123456&quot;</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">f</span> <span class="op">=</span> <span class="ident">tempfile</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">liocb</span> <span class="op">=</span> <span class="ident">LioCb</span>::<span class="ident">with_capacity</span>(<span class="number">1</span>);
<span class="ident">liocb</span>.<span class="ident">aiocbs</span>.<span class="ident">push</span>(<span class="ident">AioCb</span>::<span class="ident">from_slice</span>( <span class="ident">f</span>.<span class="ident">as_raw_fd</span>(),
<span class="number">2</span>, <span class="comment">//offset</span>
<span class="ident">WBUF</span>,
<span class="number">0</span>, <span class="comment">//priority</span>
<span class="ident">SigevNotify</span>::<span class="ident">SigevNone</span>,
<span class="ident">LioOpcode</span>::<span class="ident">LIO_WRITE</span>));
<span class="ident">liocb</span>.<span class="ident">listio</span>(<span class="ident">LioMode</span>::<span class="ident">LIO_WAIT</span>,
<span class="ident">SigevNotify</span>::<span class="ident">SigevNone</span>).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">liocb</span>.<span class="ident">aio_return</span>(<span class="number">0</span>).<span class="ident">unwrap</span>() <span class="kw">as</span> <span class="ident">usize</span>, <span class="ident">WBUF</span>.<span class="ident">len</span>());</pre>
<h1 id="references" class="section-header"><a href="#references">References</a></h1>
<p><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html"><code>lio_listio</code></a></p>
</div><h4 id='method.listio_resubmit' class="method"><span id='listio_resubmit.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.listio_resubmit' class='fnname'>listio_resubmit</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;mode: <a class="enum" href="../../../nix/sys/aio/enum.LioMode.html" title="enum nix::sys::aio::LioMode">LioMode</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;sigev_notify: <a class="enum" href="../../../nix/sys/signal/enum.SigevNotify.html" title="enum nix::sys::signal::SigevNotify">SigevNotify</a><br>) -&gt; <a class="type" href="../../../nix/type.Result.html" title="type nix::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1197-1233' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Resubmits any incomplete operations with <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html"><code>lio_listio</code></a>.</p>
<p>Sometimes, due to system resource limitations, an <code>lio_listio</code> call will
return <code>EIO</code>, or <code>EAGAIN</code>. Or, if a signal is received, it may return
<code>EINTR</code>. In any of these cases, only a subset of its constituent
operations will actually have been initiated. <code>listio_resubmit</code> will
resubmit any operations that are still uninitiated.</p>
<p>After calling <code>listio_resubmit</code>, results should be collected by
<a href="struct.LioCb.html#method.aio_return"><code>LioCb::aio_return</code></a>.</p>
<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">const</span> <span class="ident">WBUF</span>: <span class="kw-2">&amp;</span>[<span class="ident">u8</span>] <span class="op">=</span> <span class="string">b&quot;abcdef123456&quot;</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">f</span> <span class="op">=</span> <span class="ident">tempfile</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">liocb</span> <span class="op">=</span> <span class="ident">LioCb</span>::<span class="ident">with_capacity</span>(<span class="number">1</span>);
<span class="ident">liocb</span>.<span class="ident">aiocbs</span>.<span class="ident">push</span>(<span class="ident">AioCb</span>::<span class="ident">from_slice</span>( <span class="ident">f</span>.<span class="ident">as_raw_fd</span>(),
<span class="number">2</span>, <span class="comment">//offset</span>
<span class="ident">WBUF</span>,
<span class="number">0</span>, <span class="comment">//priority</span>
<span class="ident">SigevNotify</span>::<span class="ident">SigevNone</span>,
<span class="ident">LioOpcode</span>::<span class="ident">LIO_WRITE</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">liocb</span>.<span class="ident">listio</span>(<span class="ident">LioMode</span>::<span class="ident">LIO_WAIT</span>, <span class="ident">SigevNotify</span>::<span class="ident">SigevNone</span>);
<span class="kw">while</span> <span class="ident">err</span> <span class="op">==</span> <span class="prelude-val">Err</span>(<span class="ident">Error</span>::<span class="ident">Sys</span>(<span class="ident">Errno</span>::<span class="ident">EIO</span>)) <span class="op">||</span>
<span class="ident">err</span> <span class="op">==</span> <span class="prelude-val">Err</span>(<span class="ident">Error</span>::<span class="ident">Sys</span>(<span class="ident">Errno</span>::<span class="ident">EAGAIN</span>)) {
<span class="ident">thread</span>::<span class="ident">sleep</span>(<span class="ident">time</span>::<span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">10</span>));
<span class="ident">err</span> <span class="op">=</span> <span class="ident">liocb</span>.<span class="ident">listio_resubmit</span>(<span class="ident">LioMode</span>::<span class="ident">LIO_WAIT</span>, <span class="ident">SigevNotify</span>::<span class="ident">SigevNone</span>);
}
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">liocb</span>.<span class="ident">aio_return</span>(<span class="number">0</span>).<span class="ident">unwrap</span>() <span class="kw">as</span> <span class="ident">usize</span>, <span class="ident">WBUF</span>.<span class="ident">len</span>());</pre>
<h1 id="references-1" class="section-header"><a href="#references-1">References</a></h1>
<p><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html"><code>lio_listio</code></a></p>
</div><h4 id='method.aio_return' class="method"><span id='aio_return.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.aio_return' class='fnname'>aio_return</a>(&amp;mut self, i: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="type" href="../../../nix/type.Result.html" title="type nix::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1243-1249' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Collect final status for an individual <code>AioCb</code> submitted as part of an
<code>LioCb</code>.</p>
<p>This is just like <a href="struct.AioCb.html#method.aio_return"><code>AioCb::aio_return</code></a>, except it takes into account
operations that were restarted by <a href="#method.listio_resubmit"><code>LioCb::listio_resubmit</code></a></p>
</div><h4 id='method.error' class="method"><span id='error.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.error' class='fnname'>error</a>(&amp;mut self, i: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="type" href="../../../nix/type.Result.html" title="type nix::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1259-1265' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Retrieve error status of an individual <code>AioCb</code> submitted as part of an
<code>LioCb</code>.</p>
<p>This is just like <a href="struct.AioCb.html#method.error"><code>AioCb::error</code></a>, except it takes into account
operations that were restarted by <a href="#method.listio_resubmit"><code>LioCb::listio_resubmit</code></a></p>
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-Debug' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;'a&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../../nix/sys/aio/struct.LioCb.html" title="struct nix::sys::aio::LioCb">LioCb</a>&lt;'a&gt;</code><a href='#impl-Debug' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1269-1275' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&amp;self, fmt: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1270-1274' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id='impl-From%3CVec%3CAioCb%3C%27a%3E%3E%3E' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;'a&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="../../../nix/sys/aio/struct.AioCb.html" title="struct nix::sys::aio::AioCb">AioCb</a>&lt;'a&gt;&gt;&gt; for <a class="struct" href="../../../nix/sys/aio/struct.LioCb.html" title="struct nix::sys::aio::LioCb">LioCb</a>&lt;'a&gt;</code><a href='#impl-From%3CVec%3CAioCb%3C%27a%3E%3E%3E' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1278-1286' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.from' class="method"><span id='from.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(src: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="../../../nix/sys/aio/struct.AioCb.html" title="struct nix::sys::aio::AioCb">AioCb</a>&lt;'a&gt;&gt;) -&gt; <a class="struct" href="../../../nix/sys/aio/struct.LioCb.html" title="struct nix::sys::aio::LioCb">LioCb</a>&lt;'a&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/nix/sys/aio.rs.html#1279-1285' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Performs the conversion.</p>
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;'a&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../../nix/sys/aio/struct.LioCb.html" title="struct nix::sys::aio::LioCb">LioCb</a>&lt;'a&gt;</code><a href='#impl-Send' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;'a&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../../nix/sys/aio/struct.LioCb.html" title="struct nix::sys::aio::LioCb">LioCb</a>&lt;'a&gt;</code><a href='#impl-Sync' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd></kbd></dt><dd>Move up in search results</dd><dt><kbd></kbd></dt><dd>Move down in search results</dd><dt><kbd></kbd></dt><dd>Switch tab</dd><dt><kbd>&#9166;</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../";window.currentCrate = "nix";</script><script src="../../../aliases.js"></script><script src="../../../main.js"></script><script defer src="../../../search-index.js"></script></body></html>