1/* $OpenBSD: ctype.h,v 1.19 2005/12/13 00:35:22 millert Exp $ */ 2/* $NetBSD: ctype.h,v 1.14 1994/10/26 00:55:47 cgd Exp $ */ 3 4/* 5 * Copyright (c) 1989 The Regents of the University of California. 6 * All rights reserved. 7 * (c) UNIX System Laboratories, Inc. 8 * All or some portions of this file are derived from material licensed 9 * to the University of California by American Telephone and Telegraph 10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 11 * the permission of UNIX System Laboratories, Inc. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)ctype.h 5.3 (Berkeley) 4/3/91 38 */ 39 40#ifndef _CTYPE_H_ 41#define _CTYPE_H_ 42 43#include <sys/cdefs.h> 44 45#define _U 0x01 46#define _L 0x02 47#define _N 0x04 48#define _S 0x08 49#define _P 0x10 50#define _C 0x20 51#define _X 0x40 52#define _B 0x80 53 54__BEGIN_DECLS 55 56extern const char *_ctype_; 57extern const short *_tolower_tab_; 58extern const short *_toupper_tab_; 59 60/* extern __inline is a GNU C extension */ 61#ifdef __GNUC__ 62# if defined(__GNUC_STDC_INLINE__) 63#define __CTYPE_INLINE extern __inline __attribute__((__gnu_inline__)) 64# else 65#define __CTYPE_INLINE extern __inline 66# endif 67#else 68#define __CTYPE_INLINE static __inline 69#endif 70 71#if defined(__GNUC__) || defined(_ANSI_LIBRARY) || defined(lint) 72int isalnum(int); 73int isalpha(int); 74int iscntrl(int); 75int isdigit(int); 76int isgraph(int); 77int islower(int); 78int isprint(int); 79int ispunct(int); 80int isspace(int); 81int isupper(int); 82int isxdigit(int); 83int tolower(int); 84int toupper(int); 85 86#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \ 87 || __XPG_VISIBLE > 600 88int isblank(int); 89#endif 90 91#if __BSD_VISIBLE || __XPG_VISIBLE 92int isascii(int); 93int toascii(int); 94int _tolower(int); 95int _toupper(int); 96#endif /* __BSD_VISIBLE || __XPG_VISIBLE */ 97 98#endif /* __GNUC__ || _ANSI_LIBRARY || lint */ 99 100#if defined(NDEBUG) 101 102__CTYPE_INLINE int isalnum(int c) 103{ 104 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N))); 105} 106 107__CTYPE_INLINE int isalpha(int c) 108{ 109 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L))); 110} 111 112__CTYPE_INLINE int iscntrl(int c) 113{ 114 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C)); 115} 116 117__CTYPE_INLINE int isdigit(int c) 118{ 119 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N)); 120} 121 122__CTYPE_INLINE int isgraph(int c) 123{ 124 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N))); 125} 126 127__CTYPE_INLINE int islower(int c) 128{ 129 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L)); 130} 131 132__CTYPE_INLINE int isprint(int c) 133{ 134 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B))); 135} 136 137__CTYPE_INLINE int ispunct(int c) 138{ 139 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P)); 140} 141 142__CTYPE_INLINE int isspace(int c) 143{ 144 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S)); 145} 146 147__CTYPE_INLINE int isupper(int c) 148{ 149 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U)); 150} 151 152__CTYPE_INLINE int isxdigit(int c) 153{ 154 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X))); 155} 156 157__CTYPE_INLINE int tolower(int c) 158{ 159 if ((unsigned int)c > 255) 160 return (c); 161 return ((_tolower_tab_ + 1)[c]); 162} 163 164__CTYPE_INLINE int toupper(int c) 165{ 166 if ((unsigned int)c > 255) 167 return (c); 168 return ((_toupper_tab_ + 1)[c]); 169} 170 171#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \ 172 || __XPG_VISIBLE > 600 173__CTYPE_INLINE int isblank(int c) 174{ 175 return (c == ' ' || c == '\t'); 176} 177#endif 178 179#if __BSD_VISIBLE || __XPG_VISIBLE 180__CTYPE_INLINE int isascii(int c) 181{ 182 return ((unsigned int)c <= 0177); 183} 184 185__CTYPE_INLINE int toascii(int c) 186{ 187 return (c & 0177); 188} 189 190__CTYPE_INLINE int _tolower(int c) 191{ 192 return (c - 'A' + 'a'); 193} 194 195__CTYPE_INLINE int _toupper(int c) 196{ 197 return (c - 'a' + 'A'); 198} 199#endif /* __BSD_VISIBLE || __XPG_VISIBLE */ 200 201#endif /* NDEBUG */ 202 203__END_DECLS 204 205#undef __CTYPE_INLINE 206 207#endif /* !_CTYPE_H_ */ 208