📄 memchr.html

📁 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>memchr</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_007_583">&nbsp;</a>NAME</h4><blockquote>memchr - find byte in memory</blockquote><h4><a name = "tag_000_007_584">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="string.h.html">string.h</a>&gt;void *memchr(const void *<i>s</i>, int <i>c</i>, size_t <i>n</i>);</code></pre></blockquote><h4><a name = "tag_000_007_585">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>memchr()</i>function locates the first occurrence of<i>c</i>(converted to an<b>unsigned char</b>)in the initial<i>n</i>bytes (each interpreted as<b>unsigned char</b>)of the object pointed to by<i>s</i>.</blockquote><h4><a name = "tag_000_007_586">&nbsp;</a>RETURN VALUE</h4><blockquote>The<i>memchr()</i>function returns a pointer to the located byte, or a null pointerif the byte does not occur in the object.</blockquote><h4><a name = "tag_000_007_587">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_007_588">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_007_589">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_007_590">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_007_591">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="string.h.html">&lt;string.h&gt;</a></i>.</blockquote><h4>DERIVATION</h4><blockquote>Derived from Issue 1 of the SVID.</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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