1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<HTML> 3<HEAD> 4<META http-equiv="Content-Type" content="text/html; charset=utf-8"> 5<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 7.0.1.0 for Windows"> 6<META http-equiv="Content-Style-Type" content="text/css"> 7<TITLE>OS_VPrintf</TITLE> 8<LINK rel="stylesheet" href="../../css/nitro.css" type="text/css"> 9</HEAD> 10<BODY> 11<H1 align="left">OS_VPrintf <IMG src="../../image/NTR.gif" align="middle"><IMG src="../../image/TWL.gif" align="middle"></H1> 12<H2>Syntax</H2> 13<DL> 14<DD><CODE>#include <nitro/os.h></CODE><BR> <BR> <CODE>void OS_VPrintf( const char *fmt, va_list vlist );</CODE> 15</DL> 16<H2>Arguments</H2> 17<TABLE border="1"> 18 <TBODY> 19 <TR> 20<TD><I><B>fmt</B></I></TD> 21<TD>Output format string.</TD> 22 </TR> 23 <TR> 24<TD><I><B>vlist</B></I></TD> 25<TD>Variable argument list.</TD> 26 </TR> 27 </TBODY> 28</TABLE> 29<H2>Return Values</H2> 30<P>None.</P> 31<H2>Description</H2> 32<P>Outputs a string. It is possible to provide a variable argument list following the string format (string output format). This function is equivalent to <a href="OS_Printf.html"><code>OS_Printf()</code></a> except for the argument format.</P> 33<P>This function is compiled with weak symbols. Therefore, you can overwrite them with your own function definitions.</P> 34<P>The maximum string length that can be displayed is 255 characters. If a string with 256 or more characters is specified, all characters from the 256th character are ignored.</P> 35<P>This function is used for debugging. It will not be included in the final ROM version (<code>FINALROM</code>).</P> 36<H2>See Also</H2> 37<P><code><a href="OS_PutString.html">OS_PutString</a></code><BR> <code><a href="OS_Printf.html">OS_Printf</a></code></P> 38<H2>Revision History</H2> 39<P>2009/10/02 Explained the maximum displayable string length.<BR>2004/11/25 Added a description of the weak symbol.<BR>2004/09/10 Initial version.</P> 40<hr><p>CONFIDENTIAL</p></body> 41</HTML>