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📁 unix 下的C开发手册,还用详细的例程。
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>&lt;strings.h&gt;</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_117">&nbsp;</a>NAME</h4><blockquote>strings - string operations</blockquote><h4><a name = "tag_000_009_118">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;strings.h&gt;</code></pre></blockquote><h4><a name = "tag_000_009_119">&nbsp;</a>DESCRIPTION</h4><blockquote>The following are declared as functions and may also be defined as macros.Function prototypes must be provided for use with an ISO Ccompiler.<pre><code>int    <a href="bcmp.html">bcmp</a>(const void *, const void *, size_t);void   <a href="bcopy.html">bcopy</a>(const void *, void *, size_t);void   <a href="bzero.html">bzero</a>(void *, size_t);int    <a href="ffs.html">ffs</a>(int);char   *<a href="index.html">index</a>(const char *, int);char   *<a href="rindex.html">rindex</a>(const char *, int);int    <a href="strcasecmp.html">strcasecmp</a>(const char *, const char *);int    <a href="strncasecmp.html">strncasecmp</a>(const char *, const char *, size_t);</code></pre><p>The <b>size_t</b>type is defined through <b>typedef</b>as described in<i><a href="stddef.h.html">&lt;stddef.h&gt;</a></i>.</blockquote><h4><a name = "tag_000_009_120">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_121">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_122">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="bcmp.html">bcmp()</a></i>,<i><a href="bcopy.html">bcopy()</a></i>,<i><a href="bzero.html">bzero()</a></i>,<i><a href="ffs.html">ffs()</a></i>,<i><a href="index.html">index()</a></i>,<i><a href="rindex.html">rindex()</a></i>,<i><a href="strcasecmp.html">strcasecmp()</a></i>.</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>
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