ctype.h revision 302408 
1/*-
2 * Copyright (c) 1982, 1988, 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 4. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD: stable/11/sys/sys/ctype.h 127976 2004-04-07 04:19:52Z imp $
35 */
36
37#ifndef _SYS_CTYPE_H_
38#define	_SYS_CTYPE_H_
39
40#ifdef _KERNEL
41
42#define isspace(c)	((c) == ' ' || ((c) >= '\t' && (c) <= '\r'))
43#define isascii(c)	(((c) & ~0x7f) == 0)
44#define isupper(c)	((c) >= 'A' && (c) <= 'Z')
45#define islower(c)	((c) >= 'a' && (c) <= 'z')
46#define isalpha(c)	(isupper(c) || islower(c))
47#define isdigit(c)	((c) >= '0' && (c) <= '9')
48#define isxdigit(c)	(isdigit(c) \
49			  || ((c) >= 'A' && (c) <= 'F') \
50			  || ((c) >= 'a' && (c) <= 'f'))
51#define isprint(c)	((c) >= ' ' && (c) <= '~')
52
53#define toupper(c)	((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
54#define tolower(c)	((c) + 0x20 * (((c) >= 'A') && ((c) <= 'Z')))
55
56#endif
57#endif /* !_SYS_CTYPE_H_ */
58