📄 bcopy.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>bcopy</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_001_287">&nbsp;</a>NAME</h4><blockquote>bcopy - memory operations</blockquote><h4><a name = "tag_000_001_288">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="strings.h.html">strings.h</a>&gt;void bcopy(const void *<i>s1</i>, void *<i>s2</i>, size_t <i>n</i>);</code></pre></blockquote><h4><a name = "tag_000_001_289">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>bcopy()</i>function copies<i>n</i>bytes from the area pointed to by<i>s1</i>to the area pointed to by<i>s2</i>.<p>The bytes are copied correctly even if the area pointed to by<i>s1</i>overlaps the area pointed to by<i>s2</i>.</blockquote><h4><a name = "tag_000_001_290">&nbsp;</a>RETURN VALUE</h4><blockquote>The<i>bcopy()</i>function returns no value.</blockquote><h4><a name = "tag_000_001_291">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_001_292">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_001_293">&nbsp;</a>APPLICATION USAGE</h4><blockquote>For portability to implementations conforming to earlier versions of thisspecification,<i><a href="memmove.html">memmove()</a></i>is preferred over this function.<p>The following are approximately equivalent (note the order of the arguments):<pre><code>bcopy(s1,s2,n) ~= memmove(s2,s1,n)</code></pre></blockquote><h4><a name = "tag_000_001_294">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_001_295">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="memmove.html">memmove()</a></i>,<i><a href="strings.h.html">&lt;strings.h&gt;</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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