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Annotation of OSKit-Mach/include/mach/boolean.h, revision 1.1.1.1

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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