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 * 3. 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 * $FreeBSD$ 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