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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head> <meta name="generator" content= "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org"> <title>system</title> <link href="../cppreference.css" rel="stylesheet" type="text/css"></head><body><table> <tr> <td> <div class="body-content"> <div class="header-box"> <a href="../index.html">cppreference.com</a> > <a href= "index.html">Other Standard C Functions</a> > <a href= "system.html">system</a> </div> <div class="name-format"> system </div> <div class="syntax-name-format"> Syntax: </div> <pre class="syntax-box"> #include <stdlib.h> int system( const char *command );</pre> <p>The system() function runs the given <em>command</em> by passing it to the default command interpreter.</p> <p>The return value is usually zero if the command executed without errors. If <em>command</em> is <strong>NULL</strong>, system() will test to see if there is a command interpreter available. Non-zero will be returned if there is a command interpreter available, zero if not.</p> <div class="related-name-format"> Related topics: </div> <div class="related-content"> <a href="exit.html">exit</a><br> <a href="getenv.html">getenv</a> </div> </div> </td> </tr> </table></body></html>⌨️ 快捷键说明
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