📄 swab.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>swab</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_258">&nbsp;</a>NAME</h4><blockquote>swab - swap bytes</blockquote><h4><a name = "tag_000_009_259">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="unistd.h.html">unistd.h</a>&gt;void swab(const void *<i>src</i>, void *<i>dest</i>, ssize_t <i>nbytes</i>);</code></pre></blockquote><h4><a name = "tag_000_009_260">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>swab()</i>function copies<i>nbytes</i>bytes, which are pointed to by<i>src</i>,to the object pointed to by<i>dest</i>,exchanging adjacent bytes.  The<i>nbytes</i>argument should be even.If<i>nbytes</i>is odd<i>swab()</i>copies and exchanges<i>nbytes</i>-1bytes and the disposition of the last byte is unspecified.If copying takes place between objects that overlap, thebehaviour is undefined.If<i>nbytes</i>is negative,<i>swab()</i>does nothing.</blockquote><h4><a name = "tag_000_009_261">&nbsp;</a>RETURN VALUE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_262">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_009_263">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_264">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_265">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_009_266">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="unistd.h.html">&lt;unistd.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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