boolean.h

来自「基于组件方式开发操作系统的OSKIT源代码」· C头文件 代码 · 共 35 行

/*
 * Copyright (c) 1996, 1997, 1998 The University of Utah and the Flux Group.
 * 
 * This file is part of the OSKit Linux Glue Libraries, which are free
 * software, also known as "open source;" you can redistribute them and/or
 * modify them under the terms of the GNU General Public License (GPL),
 * version 2, as published by the Free Software Foundation (FSF).
 * 
 * The OSKit 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 GPL for more details.  You should have
 * received a copy of the GPL along with the OSKit; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */
#ifndef	_LIBC_BOOLEAN_H_
#define	_LIBC_BOOLEAN_H_

/*
 *	Pick up "boolean_t" type definition.
 */
typedef	unsigned char	boolean_t;

/*
 *	Define the basic boolean constants if not defined already.
 */
#ifndef	TRUE
#define TRUE	((boolean_t) 1)
#endif

#ifndef	FALSE
#define FALSE	((boolean_t) 0)
#endif

#endif	/* _LIBC_BOOLEAN_H_ */