1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 4<head> 5<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 6<META name="GENERATOR" content="Microsoft FrontPage 5.0"> 7<META http-equiv="Content-Style-Type" content="text/css"> 8<LINK rel="stylesheet" type="text/css" href="../../CSS/revolution.css"> 9<title>OSRoundDown32B</title> 10</head> 11 12<body> 13 14<h1>OSRoundDown32B</h1> 15 16<h2>Syntax</h2> 17<dl><dd><pre class="construction"> 18#include <revolution/os.h> 19 20#define OSRoundDown32B(x) \ 21 (((u32)(x)) & ~(32 - 1)) 22</pre></dd></dl> 23 24<h2>Arguments</h2> 25<TABLE class="arguments" border="1" > 26 <tr> 27<TH><STRONG><EM><CODE>x</CODE></EM></STRONG></TH> 28<TD>Pointer or address.</TD> 29 </tr> 30</TABLE> 31 32<h2>Return Values</h2> 33<p>Unsigned 32-bit integer (<code>u32</code>) rounded down to the nearest lower 32-byte boundary.</p> 34 35<H2>Description</H2> 36<P>Rounds down <SPAN class="argument">x</SPAN> to the nearest lower 32-byte boundary.</P> 37 38<h2>See Also</h2> 39<P class="reference"> 40<a href="../toc.html#Address Conversion" target="contents">Address Conversion Functions</a>, 41<a href="OSRoundUp32B.html">OSRoundUp32B</a> 42</p> 43 44<H2>Revision History</H2> 45<P> 462006/03/01 Initial version.<br> 47</P> 48 49<hr><p>CONFIDENTIAL</p></body> 50</html>