1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 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 * This code is derived from software contributed to Berkeley by 13 * Paul Borman at Krystal Technologies. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 3. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40#if defined(LIBC_SCCS) && !defined(lint) 41static char sccsid[] = "@(#)isctype.c 8.3 (Berkeley) 2/24/94"; 42#endif /* LIBC_SCCS and not lint */ 43#include <sys/cdefs.h> 44__FBSDID("$FreeBSD$"); 45 46#include <ctype.h> 47 48#undef digittoint 49int 50digittoint(int c) 51{ 52 return (__sbmaskrune(c, 0xFF)); 53} 54 55#undef isalnum 56int 57isalnum(int c) 58{ 59 return (__sbistype(c, _CTYPE_A|_CTYPE_N)); 60} 61 62#undef isalpha 63int 64isalpha(int c) 65{ 66 return (__sbistype(c, _CTYPE_A)); 67} 68 69#undef isascii 70int 71isascii(int c) 72{ 73 return ((c & ~0x7F) == 0); 74} 75 76#undef isblank 77int 78isblank(int c) 79{ 80 return (__sbistype(c, _CTYPE_B)); 81} 82 83#undef iscntrl 84int 85iscntrl(int c) 86{ 87 return (__sbistype(c, _CTYPE_C)); 88} 89 90#undef isdigit 91int 92isdigit(int c) 93{ 94 return (__isctype(c, _CTYPE_D)); 95} 96 97#undef isgraph 98int 99isgraph(int c) 100{ 101 return (__sbistype(c, _CTYPE_G)); 102} 103 104#undef ishexnumber 105int 106ishexnumber(int c) 107{ 108 return (__sbistype(c, _CTYPE_X)); 109} 110 111#undef isideogram 112int 113isideogram(int c) 114{ 115 return (__sbistype(c, _CTYPE_I)); 116} 117 118#undef islower 119int 120islower(int c) 121{ 122 return (__sbistype(c, _CTYPE_L)); 123} 124 125#undef isnumber 126int 127isnumber(int c) 128{ 129 return (__sbistype(c, _CTYPE_N)); 130} 131 132#undef isphonogram 133int 134isphonogram(int c) 135{ 136 return (__sbistype(c, _CTYPE_Q)); 137} 138 139#undef isprint 140int 141isprint(int c) 142{ 143 return (__sbistype(c, _CTYPE_R)); 144} 145 146#undef ispunct 147int 148ispunct(int c) 149{ 150 return (__sbistype(c, _CTYPE_P)); 151} 152 153#undef isrune 154int 155isrune(int c) 156{ 157 return (__sbistype(c, 0xFFFFFF00L)); 158} 159 160#undef isspace 161int 162isspace(int c) 163{ 164 return (__sbistype(c, _CTYPE_S)); 165} 166 167#undef isspecial 168int 169isspecial(int c) 170{ 171 return (__sbistype(c, _CTYPE_T)); 172} 173 174#undef isupper 175int 176isupper(int c) 177{ 178 return (__sbistype(c, _CTYPE_U)); 179} 180 181#undef isxdigit 182int 183isxdigit(int c) 184{ 185 return (__isctype(c, _CTYPE_X)); 186} 187 188#undef toascii 189int 190toascii(int c) 191{ 192 return (c & 0x7F); 193} 194 195#undef tolower 196int 197tolower(int c) 198{ 199 return (__sbtolower(c)); 200} 201 202#undef toupper 203int 204toupper(int c) 205{ 206 return (__sbtoupper(c)); 207} 208 209