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ctype.h
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ctype.h
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/*-
* Copyright (c) 1982, 1988, 1991, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/sys/sys/ctype.h,v 1.1.2.1 1999/12/06 21:03:31 archie Exp $
*/
#ifndef _SYS_CTYPE_H_
#define _SYS_CTYPE_H_
#ifdef KERNEL
#define isspace(c) ((c) == ' ' || ((c) >= '\t' && (c) <= '\r'))
#define isascii(c) (((c) & ~0x7f) == 0)
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
#define islower(c) ((c) >= 'a' && (c) <= 'z')
#define isalpha(c) (isupper(c) || islower(c))
#define isdigit(c) ((c) >= '0' && (c) <= '9')
#define isxdigit(c) (isdigit(c) \
|| ((c) >= 'A' && (c) <= 'F') \
|| ((c) >= 'a' && (c) <= 'f'))
#define toupper(c) ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
#define tolower(c) ((c) + 0x20 * (((c) >= 'A') && ((c) <= 'Z')))
#endif /* KERNEL */
#endif /* !_SYS_CTYPE_H_ */