1 /* $NetBSD: isctype.c,v 1.15 1999/09/12 18:54:34 kleink 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 41 #include <sys/cdefs.h> 42 #if defined(LIBC_SCCS) && !defined(lint) 43 #if 0 44 static char sccsid[] = "@(#)isctype.c 5.2 (Berkeley) 6/1/90"; 45 #else 46 __RCSID("$NetBSD: isctype.c,v 1.15 1999/09/12 18:54:34 kleink Exp $"); 47 #endif 48 #endif /* LIBC_SCCS and not lint */ 49 50 #define _ANSI_LIBRARY 51 #include <ctype.h> 52 53 #undef isalnum 54 int 55 isalnum(c) 56 int c; 57 { 58 return((_ctype_ + 1)[c] & (_U|_L|_N)); 59 } 60 61 #undef isalpha 62 int 63 isalpha(c) 64 int c; 65 { 66 return((_ctype_ + 1)[c] & (_U|_L)); 67 } 68 69 #undef isblank 70 int 71 isblank(c) 72 int c; 73 { 74 return(c == ' ' || c == '\t'); 75 } 76 77 #undef iscntrl 78 int 79 iscntrl(c) 80 int c; 81 { 82 return((_ctype_ + 1)[c] & _C); 83 } 84 85 #undef isdigit 86 int 87 isdigit(c) 88 int c; 89 { 90 return((_ctype_ + 1)[c] & _N); 91 } 92 93 #undef isgraph 94 int 95 isgraph(c) 96 int c; 97 { 98 return((_ctype_ + 1)[c] & (_P|_U|_L|_N)); 99 } 100 101 #undef islower 102 int 103 islower(c) 104 int c; 105 { 106 return((_ctype_ + 1)[c] & _L); 107 } 108 109 #undef isprint 110 int 111 isprint(c) 112 int c; 113 { 114 return((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)); 115 } 116 117 #undef ispunct 118 int 119 ispunct(c) 120 int c; 121 { 122 return((_ctype_ + 1)[c] & _P); 123 } 124 125 #undef isspace 126 int 127 isspace(c) 128 int c; 129 { 130 return((_ctype_ + 1)[c] & _S); 131 } 132 133 #undef isupper 134 int 135 isupper(c) 136 int c; 137 { 138 return((_ctype_ + 1)[c] & _U); 139 } 140 141 #undef isxdigit 142 int 143 isxdigit(c) 144 int c; 145 { 146 return((_ctype_ + 1)[c] & (_N|_X)); 147 } 148 149 #undef _toupper 150 int 151 _toupper(c) 152 int c; 153 { 154 return (c - 'a' + 'A'); 155 } 156 157 #undef _tolower 158 int 159 _tolower(c) 160 int c; 161 { 162 return (c - 'A' + 'a'); 163 } 164