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hustoj/web/cppreference-zh/chmhelp/c-io-rewind.html
klarkxy 196e706fe4 上传cppreference
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<!DOCTYPE html>
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>rewind</title>
<link rel="stylesheet" href="ext.css" />
<link rel="stylesheet" href="site_modules.css" />
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-c_io_rewind skin-cppreference2 action-view cpp-navbar">
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<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading">rewind</h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="c.html">c</a>&lrm; | <a href="c-io.html">io</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code>&lt;stdio.h&gt;</code></div>
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<div><span class="mw-geshi c source-c"><span class="kw4">void</span> rewind<span class="br0">(</span> <a href="c-io.html"><span class="kw883">FILE</span></a> <span class="sy2">*</span>stream <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#31227;&#21160;&#25991;&#20214;&#20301;&#32622;&#25351;&#31034;&#22120;&#21040;&#32473;&#23450;&#25991;&#20214;&#27969;&#30340;&#36215;&#22987;&#12290;</p>
<p>&#20989;&#25968;&#31561;&#20215;&#20110; <span class="t-c"><span class="mw-geshi c source-c"><a href="c-io-fseek.html"><span class="kw873">fseek</span></a><span class="br0">(</span>stream, <span class="nu0">0</span>, <a href="c-io.html"><span class="kw895">SEEK_SET</span></a><span class="br0">)</span><span class="sy4">;</span></span></span> &#65292;&#38500;&#20102;&#23427;&#28165;&#38500;&#25991;&#20214;&#23614;&#21644;&#38169;&#35823;&#25351;&#31034;&#22120;&#12290;</p>
<p>&#27492;&#20989;&#25968;&#20002;&#24323;&#20219;&#20309;&#26469;&#33258;&#20808;&#21069;&#23545; <span class="t-lc"><a href="c-io-ungetc.html">ungetc</a></span> &#35843;&#29992;&#30340;&#25928;&#26524;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>stream</td>
<td>-</td>
<td>&#35201;&#20462;&#25913;&#30340;&#25991;&#20214;&#27969;</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<p>&#27492;&#20363;&#28436;&#31034;&#22914;&#20309;&#35835;&#25991;&#20214;&#20108;&#27425;</p>
<div class="t-example-live-link"></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="c source-c">
<pre class="de1"><span class="co2">#include &lt;stdio.h&gt;</span>
<span class="kw4">char</span> str<span class="br0">[</span><span class="nu0">20</span><span class="br0">]</span><span class="sy4">;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="kw4">void</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="c-io.html"><span class="kw883">FILE</span></a> <span class="sy2">*</span>f<span class="sy4">;</span>
<span class="kw4">char</span> ch<span class="sy4">;</span>
f <span class="sy1">=</span> <a href="c-io-fopen.html"><span class="kw819">fopen</span></a><span class="br0">(</span><span class="st0">&quot;file.txt&quot;</span>, <span class="st0">&quot;w&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span>ch <span class="sy1">=</span> <span class="st0">&#39;0&#39;</span><span class="sy4">;</span> ch <span class="sy1">&lt;=</span> <span class="st0">&#39;9&#39;</span><span class="sy4">;</span> ch<span class="sy2">++</span><span class="br0">)</span> <span class="br0">{</span>
<a href="c-io-fputc.html"><span class="kw830">fputc</span></a><span class="br0">(</span>ch, f<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
<a href="c-io-fclose.html"><span class="kw822">fclose</span></a><span class="br0">(</span>f<span class="br0">)</span><span class="sy4">;</span>
f <span class="sy1">=</span> <a href="c-io-fopen.html"><span class="kw819">fopen</span></a><span class="br0">(</span><span class="st0">&quot;file.txt&quot;</span>, <span class="st0">&quot;r&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<a href="c-io-fread.html"><span class="kw825">fread</span></a><span class="br0">(</span>str, <span class="nu0">1</span>, <span class="nu0">10</span>, f<span class="br0">)</span><span class="sy4">;</span>
<a href="c-io-puts.html"><span class="kw836">puts</span></a><span class="br0">(</span>str<span class="br0">)</span><span class="sy4">;</span>
rewind<span class="br0">(</span>f<span class="br0">)</span><span class="sy4">;</span>
<a href="c-io-fread.html"><span class="kw825">fread</span></a><span class="br0">(</span>str, <span class="nu0">1</span>, <span class="nu0">10</span>, f<span class="br0">)</span><span class="sy4">;</span>
<a href="c-io-puts.html"><span class="kw836">puts</span></a><span class="br0">(</span>str<span class="br0">)</span><span class="sy4">;</span>
<a href="c-io-fclose.html"><span class="kw822">fclose</span></a><span class="br0">(</span>f<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">return</span> <span class="nu0">0</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<p>&#36755;&#20986;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="text source-text">
<pre class="de1">0123456789
0123456789</pre></div>
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<h3><span class="mw-headline" id=".E5.BC.95.E7.94.A8">&#24341;&#29992;</span></h3>
<div class="t-ref-std-11">
<ul>
<li>C11 &#26631;&#20934;&#65288;ISO/IEC 9899:2011&#65289;&#65306;</li>
</ul>
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<dd>
<ul>
<li>7.21.9.5 The rewind function (p: 338)</li>
</ul>
</dd>
</dl>
<div class="t-ref-std-c99">
<ul>
<li>C99 &#26631;&#20934;&#65288;ISO/IEC 9899:1999&#65289;&#65306;</li>
</ul>
<dl>
<dd>
<ul>
<li>7.19.9.5 The rewind function (p: 304)</li>
</ul>
</dd>
</dl>
<div class="t-ref-std-c89">
<ul>
<li>C89/C90 &#26631;&#20934;&#65288;ISO/IEC 9899:1990&#65289;&#65306;</li>
</ul>
<dl>
<dd>
<ul>
<li>4.9.9.5 The rewind function</li>
</ul>
</dd>
</dl>
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin">
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<div class="t-dsc-member-div">
<div><a href="c-io-fseek.html"><span class="t-lines"><span>fseek</span></span></a></div>
</div>
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<td>&#23558;&#25991;&#20214;&#20301;&#32622;&#25351;&#31034;&#31526;&#31227;&#21160;&#21040;&#25991;&#20214;&#20013;&#30340;&#25351;&#23450;&#20301;&#32622;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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