ctype.h revision 1.21
1 /* $NetBSD: ctype.h,v 1.21 2001/04/18 01:45:18 thorpej 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)ctype.h 5.3 (Berkeley) 4/3/91 41 */ 42 43 #ifndef _CTYPE_H_ 44 #define _CTYPE_H_ 45 46 #include <sys/featuretest.h> 47 48 #include <sys/cdefs.h> 49 50 #define _U 0x01 51 #define _L 0x02 52 #define _N 0x04 53 #define _S 0x08 54 #define _P 0x10 55 #define _C 0x20 56 #define _X 0x40 57 #define _B 0x80 58 59 extern const unsigned char *_ctype_; 60 extern const short *_tolower_tab_; 61 extern const short *_toupper_tab_; 62 63 64 __BEGIN_DECLS 65 int isalnum __P ((int)); 66 int isalpha __P ((int)); 67 int iscntrl __P ((int)); 68 int isdigit __P ((int)); 69 int isgraph __P ((int)); 70 int islower __P ((int)); 71 int isprint __P ((int)); 72 int ispunct __P ((int)); 73 int isspace __P ((int)); 74 int isupper __P ((int)); 75 int isxdigit __P ((int)); 76 int tolower __P ((int)); 77 int toupper __P ((int)); 78 79 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \ 80 defined(_XOPEN_SOURCE) 81 int isascii __P ((int)); 82 int toascii __P ((int)); 83 int _tolower __P ((int)); 84 int _toupper __P ((int)); 85 #endif 86 87 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 88 !defined(_XOPEN_SOURCE) 89 int isblank __P ((int)); 90 #endif 91 __END_DECLS 92 93 #define isdigit(c) ((int)((_ctype_ + 1)[(int)(c)] & _N)) 94 #define islower(c) ((int)((_ctype_ + 1)[(int)(c)] & _L)) 95 #define isspace(c) ((int)((_ctype_ + 1)[(int)(c)] & _S)) 96 #define ispunct(c) ((int)((_ctype_ + 1)[(int)(c)] & _P)) 97 #define isupper(c) ((int)((_ctype_ + 1)[(int)(c)] & _U)) 98 #define isalpha(c) ((int)((_ctype_ + 1)[(int)(c)] & (_U|_L))) 99 #define isxdigit(c) ((int)((_ctype_ + 1)[(int)(c)] & (_N|_X))) 100 #define isalnum(c) ((int)((_ctype_ + 1)[(int)(c)] & (_U|_L|_N))) 101 #define isprint(c) ((int)((_ctype_ + 1)[(int)(c)] & (_P|_U|_L|_N|_B))) 102 #define isgraph(c) ((int)((_ctype_ + 1)[(int)(c)] & (_P|_U|_L|_N))) 103 #define iscntrl(c) ((int)((_ctype_ + 1)[(int)(c)] & _C)) 104 #define tolower(c) ((int)((_tolower_tab_ + 1)[(int)(c)])) 105 #define toupper(c) ((int)((_toupper_tab_ + 1)[(int)(c)])) 106 107 #if !defined(_ANSI_SOURCE) && !defined (_POSIX_C_SOURCE) || \ 108 defined(_XOPEN_SOURCE) 109 #define isascii(c) ((unsigned)(c) <= 0177) 110 #define toascii(c) ((c) & 0177) 111 #define _tolower(c) ((c) - 'A' + 'a') 112 #define _toupper(c) ((c) - 'a' + 'A') 113 #endif 114 115 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 116 !defined(_XOPEN_SOURCE) 117 #if notyet 118 /* 119 * isblank() is implemented as C function, due to insufficient bitwidth in 120 * _ctype_. Note that _B does not mean isblank - it means isprint && !isgraph. 121 */ 122 #define isblank(c) ((int)((_ctype_ + 1)[(int)(c)] & _B)) 123 #endif 124 #endif 125 126 #ifdef _CTYPE_PRIVATE 127 #include <machine/limits.h> /* for CHAR_BIT */ 128 129 #define _CTYPE_NUM_CHARS (1 << CHAR_BIT) 130 131 #define _CTYPE_ID "BSDCTYPE" 132 #define _CTYPE_REV 2 133 134 extern const u_int8_t _C_ctype_[]; 135 extern const int16_t _C_toupper_[]; 136 extern const int16_t _C_tolower_[]; 137 #endif 138 139 #endif /* !_CTYPE_H_ */ 140
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