📄 strstr.html

📁 unix 下的C开发手册,还用详细的例程。

💻 HTML

字号:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>strstr</title></head><body bgcolor=white><center><font size=2>The Single UNIX &reg; Specification, Version 2<br>Copyright &copy; 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_009_204">&nbsp;</a>NAME</h4><blockquote>strstr - find a substring</blockquote><h4><a name = "tag_000_009_205">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="string.h.html">string.h</a>&gt;char *strstr(const char *<i>s1</i>, const char *<i>s2</i>);</code></pre></blockquote><h4><a name = "tag_000_009_206">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>strstr()</i>function locates the first occurrence in the string pointed to by<i>s1</i>of the sequence of bytes (excluding the terminatingnull byte) in the string pointed to by<i>s2</i>.</blockquote><h4><a name = "tag_000_009_207">&nbsp;</a>RETURN VALUE</h4><blockquote>Upon successful completion,<i>strstr()</i>returns a pointer to the located string or a null pointer if the string is notfound.<p>If<i>s2</i>points to a string with zero length, the function returns<i>s1</i>.</blockquote><h4><a name = "tag_000_009_208">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_009_209">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_210">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_211">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_212">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="strchr.html">strchr()</a></i>,<i><a href="string.h.html">&lt;string.h&gt;</a></i>.</blockquote><h4>DERIVATION</h4><blockquote>Derived from the ANSI C standard.</blockquote><hr size=2 noshade><center><font size=2>UNIX &reg; is a registered Trademark of The Open Group.<br>Copyright &copy; 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -