/* * bool - calc standard truth :-) * * Copyright (C) 2023 David I. Bell and Landon Curt Noll * * Primary author: David I. Bell * * Calc is open software; you can redistribute it and/or modify it under * the terms of the version 2.1 of the GNU Lesser General Public License * as published by the Free Software Foundation. * * Calc is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General * Public License for more details. * * A copy of version 2.1 of the GNU Lesser General Public License is * distributed with calc under the filename COPYING-LGPL. You should have * received a copy with calc; if not, write to Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Under source code control: 2023/07/19 17:58:42 * File existed as early as: 2023 * * chongo /\oo/\ http://www.isthe.com/chongo/ * Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/ */ #if !defined(INCLUDE_BOOL_H) #define INCLUDE_BOOL_H #include "have_stdbool.h" #if defined(HAVE_STDBOOL_H) #include #endif /* HAVE_STDBOOL_H */ /* * standard truth :-) */ #if !defined(HAVE_STDBOOL_H) /* fake a header file */ typedef unsigned char bool; /* fake boolean typedef */ #undef true #define true ((bool)(1)) #undef false #define false ((bool)(0)) #endif /* !HAVE_STDBOOL_H */ /* * calc historic booleans */ #undef TRUE #define TRUE (true) #undef FALSE #define FALSE (false) #undef BOOL #define BOOL bool #endif /* !INCLUDE_BOOL_H*/