#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"

#include "windows.h"

MODULE = Mytest	PACKAGE = Mytest

int
hello(input)
unsigned int input
	CODE:
		int x=MessageBox(NULL,TEXT("Text"),TEXT("Caption"),input);
		
		RETVAL=x;
	OUTPUT:
		RETVAL

##</code><code>##

Error: 'UINT' not in typemap in Mytest.xs, line 12
Please specify prototyping behavior for Mytest.xs (see perlxs manual)