229 lines
9.4 KiB
HTML
229 lines
9.4 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>程序支持工具</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_utility_program 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">程序支持工具</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-utility.html">utility</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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<h3><span class="mw-headline" id=".E7.A8.8B.E5.BA.8F.E7.BB.88.E6.AD.A2">程序终止</span></h3>
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<p>下列函数管理程序终止和资源清理。</p>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于头文件 <code><a href="cpp-header-cstdlib.html"><cstdlib></a></code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-abort.html"><span class="t-lines"><span>abort</span></span></a></div>
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</div>
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</td>
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<td>导致非正常的程序终止(不进行清理)<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-exit.html"><span class="t-lines"><span>exit</span></span></a></div>
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</div>
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</td>
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<td>导致正常的程序终止并进行清理<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-quick_exit.html"><span class="t-lines"><span>quick_exit</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>导致快速程序终止,不进行完全的清理<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-_Exit.html"><span class="t-lines"><span>_Exit</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>导致正常的程序终止,不进行清理<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-atexit.html"><span class="t-lines"><span>atexit</span></span></a></div>
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</div>
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</td>
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<td>注册将于调用 <span class="t-lc"><a href="cpp-utility-program-exit.html">std::exit()</a></span> 时被调用的函数<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-at_quick_exit.html"><span class="t-lines"><span>at_quick_exit</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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</div>
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</td>
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<td>注册将于调用 <a href="cpp-utility-program-quick_exit.html"><tt>quick_exit</tt></a> 时被调用的函数<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-EXIT_status.html"><span class="t-lines"><span>EXIT_SUCCESS</span><span>EXIT_FAILURE</span></span></a></div>
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</div>
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</td>
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<td>指示程序执行的执行状态<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E4.B8.8E.E7.8E.AF.E5.A2.83.E4.BA.A4.E6.B5.81">与环境交流</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-system.html"><span class="t-lines"><span>system</span></span></a></div>
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</div>
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</td>
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<td>调用宿主环境的命令处理器<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-getenv.html"><span class="t-lines"><span>getenv</span></span></a></div>
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</div>
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</td>
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<td>访问环境变量列表<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E4.BF.A1.E5.8F.B7">信号</span></h3>
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<p>为信号管理提供数个函数与宏常量。</p>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于头文件 <code><a href="cpp-header-csignal.html"><csignal></a></code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-signal.html"><span class="t-lines"><span>signal</span></span></a></div>
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</div>
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</td>
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<td>为特定信号设置信号处理函数<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-raise.html"><span class="t-lines"><span>raise</span></span></a></div>
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</div>
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</td>
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<td>为特定信号运行信号处理函数<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-sig_atomic_t.html"><span class="t-lines"><span>sig_atomic_t</span></span></a></div>
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</div>
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</td>
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<td>能从非同步信号处理函数作为原子实体访问的整数类型<br />
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<span class="t-mark">(typedef)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-SIG_strategies.html"><span class="t-lines"><span>SIG_DFL</span><span>SIG_IGN</span></span></a></div>
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</div>
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</td>
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<td>定义信号处理策略<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-SIG_ERR.html"><span class="t-lines"><span>SIG_ERR</span></span></a></div>
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</div>
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</td>
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<td><a href="cpp-utility-program-signal.html"><tt>signal</tt></a> 的返回值,说明遇到错误<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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<tr>
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<td colspan="2">
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<h5><span class="mw-headline" id=".E4.BF.A1.E5.8F.B7.E7.B1.BB.E5.9E.8B">信号类型</span></h5>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-SIG_types.html"><span class="t-lines"><span>SIGABRT</span><span>SIGFPE</span><span>SIGILL</span><span>SIGINT</span><span>SIGSEGV</span><span>SIGTERM</span></span></a></div>
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</div>
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</td>
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<td>定义信号类型<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E9.9D.9E.E5.B1.80.E9.83.A8.E8.B7.B3.E8.BD.AC">非局部跳转</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于头文件 <code><a href="cpp-header-csetjmp.html"><csetjmp></a></code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-setjmp.html"><span class="t-lines"><span>setjmp</span></span></a></div>
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</div>
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</td>
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<td>保存语境<br />
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<span class="t-mark">(宏函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-longjmp.html"><span class="t-lines"><span>longjmp</span></span></a></div>
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</div>
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</td>
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<td>跳转到指定位置<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr>
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<td colspan="2">
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<h5><span class="mw-headline" id=".E7.B1.BB.E5.9E.8B">类型</span></h5>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-utility-program-jmp_buf.html"><span class="t-lines"><span>jmp_buf</span></span></a></div>
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</div>
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</td>
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<td>执行语境类型<br />
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<span class="t-mark">(typedef)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<table class="t-dsc-begin"></table>
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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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