📄 strncmp.html

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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>strncmp</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_144">&nbsp;</a>NAME</h4><blockquote>strncmp - compare part of two strings</blockquote><h4><a name = "tag_000_009_145">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="string.h.html">string.h</a>&gt;int strncmp(const char *<i>s1</i>, const char *<i>s2</i>, size_t <i>n</i>);</code></pre></blockquote><h4><a name = "tag_000_009_146">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>strncmp()</i>function compares not more than<i>n</i>bytes (bytes that follow a null byte are notcompared) from the array pointed to by<i>s1</i>to the array pointed to by<i>s2</i>.<p>The sign of a non-zero return valueis determined by the sign of the difference between the values of thefirst pair of bytes (both interpreted as type<b>unsigned char</b>)that differ in the strings being compared.</blockquote><h4><a name = "tag_000_009_147">&nbsp;</a>RETURN VALUE</h4><blockquote>Upon successful completion,<i>strncmp()</i>returns an integer greater than, equal to or less than0, if the possibly null-terminated array pointed to by<i>s1</i>is greater than, equal to or less than the possiblynull-terminated array pointed to by<i>s2</i>respectively.</blockquote><h4><a name = "tag_000_009_148">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_009_149">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_150">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_151">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_152">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="strcmp.html">strcmp()</a></i>,<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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