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hustoj/web/cppreference-zh/chmhelp/c-io-remove.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>remove</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_remove skin-cppreference2 action-view cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading">remove</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">int</span> remove<span class="br0">(</span> <span class="kw4">const</span> <span class="kw4">char</span> <span class="sy2">*</span>fname <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#21024;&#38500; <code>fname</code> &#25152;&#25351;&#21521;&#30340;&#23383;&#31526;&#20018;&#25152;&#26631;&#35782;&#30340;&#25991;&#20214;&#12290;</p>
<p>&#33509;&#25991;&#20214;&#20026;&#24403;&#21069;&#36827;&#31243;&#25110;&#21478;&#19968;&#36827;&#31243;&#25171;&#24320;&#65292;&#21017;&#27492;&#20989;&#25968;&#34892;&#20026;&#26159;&#23454;&#29616;&#23450;&#20041;&#30340;&#12290;&#20855;&#20307;&#32780;&#35328;&#65292; POSIX &#31995;&#32479;&#35299;&#38142;&#25509;&#25991;&#20214;&#21517;&#65292;&#21040;&#26368;&#21518;&#19968;&#20010;&#36816;&#34892;&#30340;&#36827;&#31243;&#20851;&#38381;&#35813;&#25991;&#20214;&#20026;&#27490;&#65292;&#21363;&#20351;&#36825;&#26159;&#26368;&#21518;&#19968;&#20010;&#21040;&#25991;&#20214;&#30340;&#30828;&#38142;&#25509;&#20063;&#19981;&#22238;&#25910;&#25991;&#20214;&#31995;&#32479;&#31354;&#38388;&#12290; Windows &#19981;&#20801;&#35768;&#21024;&#38500;&#35813;&#25991;&#20214;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
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<td>fname</td>
<td>-</td>
<td>&#25351;&#21521;&#31354;&#32456;&#27490;&#23383;&#31526;&#20018;&#30340;&#25351;&#38024;&#65292;&#23383;&#31526;&#20018;&#21547;&#26631;&#35782;&#24453;&#21024;&#38500;&#25991;&#20214;&#30340;&#36335;&#24452;</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#25104;&#21151;&#26102;&#20026; <span class="t-c"><span class="mw-geshi c source-c">&#8203;<span class="nu0">0</span>&#8203;</span></span> &#65292;&#38169;&#35823;&#26102;&#20026;&#38750;&#38646;&#20540;&#12290;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p><a rel="nofollow" class="external text" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/remove.html">POSIX &#25351;&#23450;</a>&#27492;&#20989;&#25968;&#34892;&#20026;&#30340;&#35768;&#22810;&#39069;&#22806;&#32454;&#33410;&#12290;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<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">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> fp <span class="sy1">=</span> <a href="c-io-fopen.html"><span class="kw819">fopen</span></a><span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span>, <span class="st0">&quot;w&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#21019;&#24314;&#25991;&#20214;</span>
<span class="kw1">if</span><span class="br0">(</span><span class="sy3">!</span>fp<span class="br0">)</span> <span class="br0">{</span> <a href="c-io-perror.html"><span class="kw879">perror</span></a><span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="kw1">return</span> <span class="nu0">1</span><span class="sy4">;</span> <span class="br0">}</span>
<a href="c-io-puts.html"><span class="kw836">puts</span></a><span class="br0">(</span><span class="st0">&quot;Created file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<a href="c-io-fclose.html"><span class="kw822">fclose</span></a><span class="br0">(</span>fp<span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">int</span> rc <span class="sy1">=</span> remove<span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">if</span><span class="br0">(</span>rc<span class="br0">)</span> <span class="br0">{</span> <a href="c-io-perror.html"><span class="kw879">perror</span></a><span class="br0">(</span><span class="st0">&quot;remove&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="kw1">return</span> <span class="nu0">1</span><span class="sy4">;</span> <span class="br0">}</span>
<a href="c-io-puts.html"><span class="kw836">puts</span></a><span class="br0">(</span><span class="st0">&quot;Removed file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span>
fp <span class="sy1">=</span> <a href="c-io-fopen.html"><span class="kw819">fopen</span></a><span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span>, <span class="st0">&quot;r&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#38169;&#35823;&#65306;&#25991;&#20214;&#19981;&#23384;&#22312;</span>
<span class="kw1">if</span><span class="br0">(</span><span class="sy3">!</span>fp<span class="br0">)</span> <a href="c-io-perror.html"><span class="kw879">perror</span></a><span class="br0">(</span><span class="st0">&quot;Opening removed file failed&quot;</span><span class="br0">)</span><span class="sy4">;</span>
rc <span class="sy1">=</span> remove<span class="br0">(</span><span class="st0">&quot;file1.txt&quot;</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#38169;&#35823;&#65306;&#25991;&#20214;&#19981;&#23384;&#22312;</span>
<span class="kw1">if</span><span class="br0">(</span>rc<span class="br0">)</span> <a href="c-io-perror.html"><span class="kw879">perror</span></a><span class="br0">(</span><span class="st0">&quot;Double-remove failed&quot;</span><span class="br0">)</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">Created file1.txt
Removed file1.txt
Opening removed file failed: No such file or directory
Double-remove failed: No such file or directory</pre></div>
</div>
</div>
<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>
<dl>
<dd>
<ul>
<li>7.21.4.1 The remove function (p: 302)</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>7.19.4.1 The remove function (p: 268)</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>4.9.4.1 The remove function</li>
</ul>
</dd>
</dl>
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div class="t-dsc-member-div">
<div><a href="c-io-rename.html"><span class="t-lines"><span>rename</span></span></a></div>
</div>
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<td>&#37325;&#21629;&#21517;&#25991;&#20214;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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