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29 <p>
30         <a class="indexterm" name="idm45873478271872"></a>
31 A function to return the system error category used by the
32         library.
33       </p>
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35 <a name="beast.ref.boost__beast__system_category.h0"></a>
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37       </h5>
38 <p>
39         Defined in header <code class="literal">&lt;<a href="../../../../../../boost/beast/core/error.hpp" target="_top">boost/beast/core/error.hpp</a>&gt;</code>
40       </p>
41 <pre class="programlisting"><span class="identifier">error_category</span> <span class="keyword">const</span> <span class="special">&amp;</span>
42 <span class="identifier">system_category</span><span class="special">();</span>
43 </pre>
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49         Convenience header <code class="literal">&lt;<a href="../../../../../../boost/beast/core.hpp" target="_top">boost/beast/core.hpp</a>&gt;</code>
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