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/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  [email protected]
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 *	File:	kern/macro_help.h
 *
 *	Provide help in making lint-free macro routines
 *
 */  

#ifndef	_KERN_MACRO_HELP_H_
#define	_KERN_MACRO_HELP_H_

#if	!defined(MACRO_BEGIN)

#include <mach/boolean.h>

#ifdef	lint
boolean_t	NEVER;
boolean_t	ALWAYS;
#else	/* lint */
#define		NEVER		FALSE
#define		ALWAYS		TRUE
#endif	/* lint */

#define		MACRO_BEGIN	do {
#define		MACRO_END	} while (NEVER)

#define		MACRO_RETURN	if (ALWAYS) return

#endif	/* !MACRO_BEGIN */

#endif	/* _KERN_MACRO_HELP_H_ */

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