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131 lines
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<title>alsa::hctl::HCtl - Rust</title>
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<p class='location'>Struct HCtl</p><div class="block items"><ul><li><a href="#methods">Methods</a></li><li><a href="#implementations">Trait Implementations</a></li></ul></div><p class='location'><a href='../index.html'>alsa</a>::<wbr><a href='index.html'>hctl</a></p><script>window.sidebarCurrent = {name: 'HCtl', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<h1 class='fqn'><span class='in-band'>Struct <a href='../index.html'>alsa</a>::<wbr><a href='index.html'>hctl</a>::<wbr><a class="struct" href=''>HCtl</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</span><a class='srclink' href='../../src/alsa/hctl.rs.html#37' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct HCtl(_);</pre><div class='docblock'><p><a href="http://www.alsa-project.org/alsa-doc/alsa-lib/group___h_control.html">snd_hctl_t</a> wrapper</p>
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</div><h2 id='methods'>Methods</h2><h3 class='impl'><span class='in-band'><code>impl <a class="struct" href="../../alsa/hctl/struct.HCtl.html" title="struct alsa::hctl::HCtl">HCtl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/alsa/hctl.rs.html#45-66' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.open' class="method"><span id='open.v' class='invisible'><code>fn <a href='#method.open' class='fnname'>open</a>(c: &<a class="struct" href="https://doc.rust-lang.org/nightly/std/ffi/c_str/struct.CStr.html" title="struct std::ffi::c_str::CStr">CStr</a>, nonblock: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="type" href="../../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="../../alsa/hctl/struct.HCtl.html" title="struct alsa::hctl::HCtl">HCtl</a>></code></span></h4>
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<div class='docblock'><p>Open does not support async mode (it's not very Rustic anyway)
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Note: You probably want to call <code>load</code> afterwards.</p>
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</div><h4 id='method.load' class="method"><span id='load.v' class='invisible'><code>fn <a href='#method.load' class='fnname'>load</a>(&self) -> <a class="type" href="../../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">()</a>></code></span></h4>
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<h4 id='method.elem_iter' class="method"><span id='elem_iter.v' class='invisible'><code>fn <a href='#method.elem_iter' class='fnname'>elem_iter</a><'a>(&'a self) -> <a class="struct" href="../../alsa/hctl/struct.ElemIter.html" title="struct alsa::hctl::ElemIter">ElemIter</a><'a></code></span></h4>
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<h4 id='method.find_elem' class="method"><span id='find_elem.v' class='invisible'><code>fn <a href='#method.find_elem' class='fnname'>find_elem</a><'a>(&'a self, id: &<a class="struct" href="../../alsa/ctl/struct.ElemId.html" title="struct alsa::ctl::ElemId">ElemId</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../../alsa/hctl/struct.Elem.html" title="struct alsa::hctl::Elem">Elem</a><'a>></code></span></h4>
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<h4 id='method.wait' class="method"><span id='wait.v' class='invisible'><code>fn <a href='#method.wait' class='fnname'>wait</a>(&self, timeout_ms: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>>) -> <a class="type" href="../../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>></code></span></h4>
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</div><h2 id='implementations'>Trait Implementations</h2><h3 class='impl'><span class='in-band'><code>impl <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="../../alsa/hctl/struct.HCtl.html" title="struct alsa::hctl::HCtl">HCtl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/alsa/hctl.rs.html#39' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'></div><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="../../alsa/hctl/struct.HCtl.html" title="struct alsa::hctl::HCtl">HCtl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/alsa/hctl.rs.html#41-43' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.drop' class="method"><span id='drop.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop' class='fnname'>drop</a>(&mut self)</code></span></h4>
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<div class='docblock'><p>A method called when the value goes out of scope. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
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</div></div><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="../../alsa/poll/trait.PollDescriptors.html" title="trait alsa::poll::PollDescriptors">PollDescriptors</a> for <a class="struct" href="../../alsa/hctl/struct.HCtl.html" title="struct alsa::hctl::HCtl">HCtl</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/alsa/hctl.rs.html#68-81' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.count' class="method"><span id='count.v' class='invisible'><code>fn <a href='../../alsa/poll/trait.PollDescriptors.html#tymethod.count' class='fnname'>count</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code></span></h4>
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<h4 id='method.fill' class="method"><span id='fill.v' class='invisible'><code>fn <a href='../../alsa/poll/trait.PollDescriptors.html#tymethod.fill' class='fnname'>fill</a>(&self, p: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&mut [</a><a class="struct" href="../../libc/unix/struct.pollfd.html" title="struct libc::unix::pollfd">pollfd</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="type" href="../../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>></code></span></h4>
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<h4 id='method.revents' class="method"><span id='revents.v' class='invisible'><code>fn <a href='../../alsa/poll/trait.PollDescriptors.html#tymethod.revents' class='fnname'>revents</a>(&self, p: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="struct" href="../../libc/unix/struct.pollfd.html" title="struct libc::unix::pollfd">pollfd</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="type" href="../../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="../../alsa/poll/struct.PollFlags.html" title="struct alsa::poll::PollFlags">PollFlags</a>></code></span></h4>
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<h4 id='method.get' class="method"><span id='get.v' class='invisible'><code>fn <a href='../../alsa/poll/trait.PollDescriptors.html#method.get' class='fnname'>get</a>(&self) -> <a class="type" href="../../alsa/type.Result.html" title="type alsa::Result">Result</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="../../libc/unix/struct.pollfd.html" title="struct libc::unix::pollfd">pollfd</a>>></code></span></h4>
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<div class='docblock'><p>Wrapper around count and fill - returns an array of pollfds</p>
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