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<p>Causes the enclosing <a href="for.html" title="cpp/language/for">for</a>, <a href="range-for.html" title="cpp/language/range-for">range-for</a>, <a href="while.html" title="cpp/language/while">while</a> or <a href="do.html" title="cpp/language/do">do-while</a> loop or <a href="switch.html" title="cpp/language/switch"> switch statement</a> to terminate.
</p><p>Used when it is otherwise awkward to terminate the loop using the condition expression and conditional statements.
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<li class="toclevel-1 tocsection-1"><a href="break.html#Syntax"><span class="tocnumber">1</span> <span class="toctext">Syntax</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="break.html#Explanation"><span class="tocnumber">2</span> <span class="toctext">Explanation</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="break.html#Keywords"><span class="tocnumber">3</span> <span class="toctext">Keywords</span></a></li>
<li class="toclevel-1 tocsection-4"><a href="break.html#Notes"><span class="tocnumber">4</span> <span class="toctext">Notes</span></a></li>
<li class="toclevel-1 tocsection-5"><a href="break.html#Example"><span class="tocnumber">5</span> <span class="toctext">Example</span></a></li>
<li class="toclevel-1 tocsection-6"><a href="break.html#See_also"><span class="tocnumber">6</span> <span class="toctext">See also</span></a></li>
</ul>
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/language/break&action=edit&section=1" title="Edit section: Syntax">edit</a>]</span> <span class="mw-headline" id="Syntax">Syntax</span></h3>
<table class="t-sdsc-begin">
<tr>
<td colspan="10" class="t-sdsc-sep">
</td></tr>
<tr class="t-sdsc">
<td class="t-sdsc-nopad"> <span class="t-spar">attr</span><span class="t-mark">(optional)</span> <code><b>break</b></code> <code><b>;</b></code>
</td>
<td class="t-sdsc-nopad">
</td>
<td class="t-sdsc-nopad">
</td></tr>
<tr>
<td colspan="10" class="t-sdsc-sep">
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/language/break&action=edit&section=2" title="Edit section: Explanation">edit</a>]</span> <span class="mw-headline" id="Explanation">Explanation</span></h3>
<p>After this statement the control is transferred to the statement immediately following the enclosing loop or switch. As with any block exit, all automatic storage objects declared in enclosing compound statement or in the <span class="t-spar">condition</span> of a loop/switch are destroyed, in reverse order of construction, before the execution of the first line following the enclosing loop.
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/language/break&action=edit&section=3" title="Edit section: Keywords">edit</a>]</span> <span class="mw-headline" id="Keywords">Keywords</span></h3>
<p><a href="../keyword/break.html" title="cpp/keyword/break"><tt>break</tt></a>
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/language/break&action=edit&section=4" title="Edit section: Notes">edit</a>]</span> <span class="mw-headline" id="Notes">Notes</span></h3>
<p>A break statement cannot be used to break out of multiple nested loops. The <a href="goto.html" title="cpp/language/goto">goto statement</a> may be used for this purpose.
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/language/break&action=edit&section=5" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example">Example</span></h3>
<div class="t-example"><div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include <iostream></span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">int</span> i <span class="sy1">=</span> <span class="nu0">2</span><span class="sy4">;</span>
<span class="kw1">switch</span> <span class="br0">(</span>i<span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">case</span> <span class="nu0">1</span><span class="sy4">:</span> <a href="../io/cout.html"><span class="kw1481">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"1"</span><span class="sy4">;</span>
<span class="kw1">case</span> <span class="nu0">2</span><span class="sy4">:</span> <a href="../io/cout.html"><span class="kw1481">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"2"</span><span class="sy4">;</span> <span class="co1">//execution starts at this case label</span>
<span class="kw1">case</span> <span class="nu0">3</span><span class="sy4">:</span> <a href="../io/cout.html"><span class="kw1481">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"3"</span><span class="sy4">;</span>
<span class="kw1">case</span> <span class="nu0">4</span><span class="sy4">:</span>
<span class="kw1">case</span> <span class="nu0">5</span><span class="sy4">:</span> <a href="../io/cout.html"><span class="kw1481">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"45"</span><span class="sy4">;</span>
<span class="kw1">break</span><span class="sy4">;</span> <span class="co1">//execution of subsequent statements is terminated</span>
<span class="kw1">case</span> <span class="nu0">6</span><span class="sy4">:</span> <a href="../io/cout.html"><span class="kw1481">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"6"</span><span class="sy4">;</span>
<span class="br0">}</span>
 
<a href="../io/cout.html"><span class="kw1481">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> j <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> j <span class="sy1"><</span> <span class="nu0">2</span><span class="sy4">;</span> j<span class="sy2">++</span><span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> k <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span> k <span class="sy1"><</span> <span class="nu0">5</span><span class="sy4">;</span> k<span class="sy2">++</span><span class="br0">)</span> <span class="br0">{</span> <span class="co1">//only this loop is affected by break</span>
<span class="kw1">if</span> <span class="br0">(</span>k <span class="sy1">==</span> <span class="nu0">2</span><span class="br0">)</span> <span class="kw1">break</span><span class="sy4">;</span>
<a href="../io/cout.html"><span class="kw1481">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> j <span class="sy1"><<</span> k <span class="sy1"><<</span> <span class="st0">" "</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="br0">}</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">2345
00 01 10 11</pre></div></div>
</div>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/language/break&action=edit&section=6" title="Edit section: See also">edit</a>]</span> <span class="mw-headline" id="See_also">See also</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td colspan="2"> <div class="t-dsc-see"><span><a href="../../c/language/break.html" title="c/language/break">C documentation</a></span> for <span class="t-dsc-see-tt"><span>break</span></span></div>
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