Annotation of OSKit-Mach/include/mach/boolean.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989,1988,1987 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:   mach/boolean.h
        !            28:  *
        !            29:  *     Boolean data type.
        !            30:  *
        !            31:  */
        !            32: 
        !            33: #ifndef        _MACH_BOOLEAN_H_
        !            34: #define        _MACH_BOOLEAN_H_
        !            35: 
        !            36: /*
        !            37:  *     Pick up "boolean_t" type definition
        !            38:  */
        !            39: 
        !            40: #ifndef        ASSEMBLER
        !            41: #include <mach/machine/boolean.h>
        !            42: #endif /* ASSEMBLER */
        !            43: 
        !            44: #endif /* _MACH_BOOLEAN_H_ */
        !            45: 
        !            46: /*
        !            47:  *     Define TRUE and FALSE, only if they haven't been before,
        !            48:  *     and not if they're explicitly refused.  Note that we're
        !            49:  *     outside the BOOLEAN_H_ conditional, to avoid ordering
        !            50:  *     problems.
        !            51:  */
        !            52: 
        !            53: #if    !defined(NOBOOL)
        !            54: 
        !            55: #ifndef        TRUE
        !            56: #define TRUE   ((boolean_t) 1)
        !            57: #endif /* TRUE */
        !            58: 
        !            59: #ifndef        FALSE
        !            60: #define FALSE  ((boolean_t) 0)
        !            61: #endif /* FALSE */
        !            62: 
        !            63: #endif /* !defined(NOBOOL) */

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