1 /* $NetBSD: ctype.h,v 1.29 2005/12/26 19:01:47 perry Exp $ */ 2 3 /* 4 * Copyright (c) 1989 The Regents of the University of California. 5 * 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 * @(#)ctype.h 5.3 (Berkeley) 4/3/91 37 */ 38 39 #ifndef _CTYPE_H_ 40 #define _CTYPE_H_ 41 42 #include <sys/cdefs.h> 43 #include <sys/featuretest.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 extern const unsigned char *_ctype_; 55 extern const short *_tolower_tab_; 56 extern const short *_toupper_tab_; 57 58 59 __BEGIN_DECLS 60 int isalnum(int); 61 int isalpha(int); 62 int iscntrl(int); 63 int isdigit(int); 64 int isgraph(int); 65 int islower(int); 66 int isprint(int); 67 int ispunct(int); 68 int isspace(int); 69 int isupper(int); 70 int isxdigit(int); 71 int tolower(int); 72 int toupper(int); 73 74 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 75 int isascii(int); 76 int toascii(int); 77 int _tolower(int); 78 int _toupper(int); 79 #endif 80 81 #if defined(_ISOC99_SOURCE) || (_POSIX_C_SOURCE - 0) > 200112L || \ 82 (_XOPEN_SOURCE - 0) > 600 || defined(_NETBSD_SOURCE) 83 int isblank(int); 84 #endif 85 __END_DECLS 86 87 #define isdigit(c) ((int)((_ctype_ + 1)[(c)] & _N)) 88 #define islower(c) ((int)((_ctype_ + 1)[(c)] & _L)) 89 #define isspace(c) ((int)((_ctype_ + 1)[(c)] & _S)) 90 #define ispunct(c) ((int)((_ctype_ + 1)[(c)] & _P)) 91 #define isupper(c) ((int)((_ctype_ + 1)[(c)] & _U)) 92 #define isalpha(c) ((int)((_ctype_ + 1)[(c)] & (_U|_L))) 93 #define isxdigit(c) ((int)((_ctype_ + 1)[(c)] & (_N|_X))) 94 #define isalnum(c) ((int)((_ctype_ + 1)[(c)] & (_U|_L|_N))) 95 #define isprint(c) ((int)((_ctype_ + 1)[(c)] & (_P|_U|_L|_N|_B))) 96 #define isgraph(c) ((int)((_ctype_ + 1)[(c)] & (_P|_U|_L|_N))) 97 #define iscntrl(c) ((int)((_ctype_ + 1)[(c)] & _C)) 98 #define tolower(c) ((int)((_tolower_tab_ + 1)[(c)])) 99 #define toupper(c) ((int)((_toupper_tab_ + 1)[(c)])) 100 101 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 102 #define isascii(c) ((unsigned)(c) <= 0177) 103 #define toascii(c) ((c) & 0177) 104 #define _tolower(c) ((c) - 'A' + 'a') 105 #define _toupper(c) ((c) - 'a' + 'A') 106 #endif 107 108 #if defined(_ISO_C99_SOURCE) || (_POSIX_C_SOURCE - 0) > 200112L || \ 109 (_XOPEN_SOURCE - 0) > 600 || defined(_NETBSD_SOURCE) 110 111 /* 112 * isblank() is implemented as C function, due to insufficient bitwidth in 113 * _ctype_. Note that _B does not mean isblank - it means isprint && !isgraph. 114 */ 115 #if 0 116 #define isblank(c) ((int)((_ctype_ + 1)[(c)] & _B)) 117 #endif 118 119 #endif 120 121 #ifdef _CTYPE_PRIVATE 122 #include <machine/limits.h> /* for CHAR_BIT */ 123 124 #define _CTYPE_NUM_CHARS (1 << CHAR_BIT) 125 126 #define _CTYPE_ID "BSDCTYPE" 127 #define _CTYPE_REV 2 128 129 extern const uint8_t _C_ctype_[]; 130 extern const int16_t _C_toupper_[]; 131 extern const int16_t _C_tolower_[]; 132 #endif 133 134 #endif /* !_CTYPE_H_ */ 135