ctype.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1982, 1988, 1991, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $FreeBSD: stable/11/sys/sys/ctype.h 330897 2018-03-14 03:19:51Z eadler $
37 */
38
39#ifndef _SYS_CTYPE_H_
40#define	_SYS_CTYPE_H_
41
42#ifdef _KERNEL
43
44#define isspace(c)	((c) == ' ' || ((c) >= '\t' && (c) <= '\r'))
45#define isascii(c)	(((c) & ~0x7f) == 0)
46#define isupper(c)	((c) >= 'A' && (c) <= 'Z')
47#define islower(c)	((c) >= 'a' && (c) <= 'z')
48#define isalpha(c)	(isupper(c) || islower(c))
49#define isdigit(c)	((c) >= '0' && (c) <= '9')
50#define isxdigit(c)	(isdigit(c) \
51			  || ((c) >= 'A' && (c) <= 'F') \
52			  || ((c) >= 'a' && (c) <= 'f'))
53#define isprint(c)	((c) >= ' ' && (c) <= '~')
54
55#define toupper(c)	((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
56#define tolower(c)	((c) + 0x20 * (((c) >= 'A') && ((c) <= 'Z')))
57
58#endif
59#endif /* !_SYS_CTYPE_H_ */
60