28 lines
2.0 KiB
HTML
28 lines
2.0 KiB
HTML
<!DOCTYPE html>
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<head><meta http-equiv="x-ua-compatible" content="ie=edge">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>标准库头文件 <version></title>
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<link rel="stylesheet" href="ext.css" />
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<link rel="stylesheet" href="site_modules.css" />
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</head>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_header_version skin-cppreference2 action-view cpp-navbar">
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<div id="cpp-content-base">
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<div id="content"><a id="top"></a>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">标准库头文件</span> <version></h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-header.html">header</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<p>此头文件是<a href="cpp-utility.html#.E8.AF.AD.E8.A8.80.E6.94.AF.E6.8C.81">语言支持</a>库的一部分。</p>
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<p>此头文件提供关于标准库的依赖实现的信息（例如实现特定的库标准宏）。</p>
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<p>包含 <code><version></code> 亦会定义所有<a href="cpp-feature_test.html#.E5.BA.93.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">库功能特性测试宏</a>。</p>
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<h3><span class="mw-headline" id=".E6.B3.A8.E8.A7.A3">注解</span></h3>
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<p>C++20 前，有时会为此目的包含 <a href="cpp-header-ciso646.html"><tt><ciso646></tt></a>。</p>
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</div>
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<div class="visualClear"></div>
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</div>
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</div>
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</div>
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</body>
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</html>
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