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<h1 class='fqn'><span class='in-band'>Function <a href='index.html'>httparse</a>::<wbr><a class="fn" href=''>parse_headers</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/httparse/lib.rs.html#555-560' title='goto source code'>[src]</a></span></h1>
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<pre class='rust fn'>pub fn parse_headers<'b: 'h, 'h>(<br> src: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'b [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <br> dst: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'h mut [</a><a class="struct" href="../httparse/struct.Header.html" title="struct httparse::Header">Header</a><'b><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a><br>) -> <a class="type" href="../httparse/type.Result.html" title="type httparse::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'h [</a><a class="struct" href="../httparse/struct.Header.html" title="struct httparse::Header">Header</a><'b><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>></pre><div class='docblock'><p>Parse a buffer of bytes as headers.</p>
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<p>The return value, if complete and successful, includes the index of the
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buffer that parsing stopped at, and a sliced reference to the parsed
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headers. The length of the slice will be equal to the number of properly
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parsed headers.</p>
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<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="string">b"Host: foo.bar\nAccept: */*\n\nblah blah"</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">headers</span> <span class="op">=</span> [<span class="ident">httparse</span>::<span class="ident">EMPTY_HEADER</span>; <span class="number">4</span>];
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">parse_headers</span>(<span class="ident">buf</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">headers</span>),
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<span class="prelude-val">Ok</span>(<span class="ident">httparse</span>::<span class="ident">Status</span>::<span class="ident">Complete</span>((<span class="number">27</span>, <span class="kw-2">&</span>[
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<span class="ident">httparse</span>::<span class="ident">Header</span> { <span class="ident">name</span>: <span class="string">"Host"</span>, <span class="ident">value</span>: <span class="string">b"foo.bar"</span> },
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<span class="ident">httparse</span>::<span class="ident">Header</span> { <span class="ident">name</span>: <span class="string">"Accept"</span>, <span class="ident">value</span>: <span class="string">b"*/*"</span> }
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][..]))));</pre>
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