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 37 #ifndef _SYS_CTYPE_H_ 38 #define _SYS_CTYPE_H_ 39 40 #ifdef _KERNEL 41 42 static __inline int 43 isspace(int c) 44 { 45 return (c == ' ' || (c >= '\t' && c <= '\r')); 46 } 47 48 static __inline int 49 isascii(int c) 50 { 51 return ((c & ~0x7f) == 0); 52 } 53 54 static __inline int 55 isupper(int c) 56 { 57 return (c >= 'A' && c <= 'Z'); 58 } 59 60 static __inline int 61 islower(int c) 62 { 63 return (c >= 'a' && c <= 'z'); 64 } 65 66 static __inline int 67 isalpha(int c) 68 { 69 return (isupper(c) || islower(c)); 70 } 71 72 static __inline int 73 isdigit(int c) 74 { 75 return (c >= '0' && c <= '9'); 76 } 77 78 static __inline int 79 isxdigit(int c) 80 { 81 return (isdigit(c) || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')); 82 } 83 84 static __inline int 85 isprint(int c) 86 { 87 return (c >= ' ' && c <= '~'); 88 } 89 90 static __inline int 91 toupper(int c) 92 { 93 return (c - 0x20 * ((c >= 'a') && (c <= 'z'))); 94 } 95 96 static __inline int 97 tolower(int c) 98 { 99 return (c + 0x20 * ((c >= 'A') && (c <= 'Z'))); 100 } 101 102 #endif 103 #endif /* !_SYS_CTYPE_H_ */ 104