| 1 | /* Copyright (C) 2001-2002 Free Software Foundation, Inc.
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| 2 | Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; if not, write to the Free Software Foundation,
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| 16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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| 17 |
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| 18 | #ifndef _STDBOOL_H
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| 19 | #define _STDBOOL_H
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| 20 |
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| 21 | /* ISO C 99 <stdbool.h> for platforms that lack it. */
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| 22 |
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| 23 | /* 7.16. Boolean type and values */
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| 24 |
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| 25 | /* BeOS <sys/socket.h> already #defines false 0, true 1. We use the same
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| 26 | definitions below, but temporarily we have to #undef them. */
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| 27 | #ifdef __BEOS__
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| 28 | # undef false
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| 29 | # undef true
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| 30 | #endif
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| 31 |
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| 32 | /* For the sake of symbolic names in gdb, define _Bool as an enum type. */
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| 33 | #ifndef __cplusplus
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| 34 | # if !@HAVE__BOOL@
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| 35 | typedef enum { false = 0, true = 1 } _Bool;
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| 36 | # endif
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| 37 | #else
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| 38 | typedef bool _Bool;
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| 39 | #endif
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| 40 | #define bool _Bool
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| 41 |
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| 42 | /* The other macros must be usable in preprocessor directives. */
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| 43 | #define false 0
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| 44 | #define true 1
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| 45 | #define __bool_true_false_are_defined 1
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| 46 |
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| 47 | #endif /* _STDBOOL_H */
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