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Annotation of OSKit-Mach/kern/macro_help.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  *     File:   kern/macro_help.h
        !            28:  *
        !            29:  *     Provide help in making lint-free macro routines
        !            30:  *
        !            31:  */  
        !            32: 
        !            33: #ifndef        _KERN_MACRO_HELP_H_
        !            34: #define        _KERN_MACRO_HELP_H_
        !            35: 
        !            36: #if    !defined(MACRO_BEGIN)
        !            37: 
        !            38: #include <mach/boolean.h>
        !            39: 
        !            40: #ifdef lint
        !            41: boolean_t      NEVER;
        !            42: boolean_t      ALWAYS;
        !            43: #else  /* lint */
        !            44: #define                NEVER           FALSE
        !            45: #define                ALWAYS          TRUE
        !            46: #endif /* lint */
        !            47: 
        !            48: #define                MACRO_BEGIN     do {
        !            49: #define                MACRO_END       } while (NEVER)
        !            50: 
        !            51: #define                MACRO_RETURN    if (ALWAYS) return
        !            52: 
        !            53: #endif /* !MACRO_BEGIN */
        !            54: 
        !            55: #endif /* _KERN_MACRO_HELP_H_ */

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