Home | History | Annotate | Line # | Download | only in gen
isctype.c revision 1.13 
      1 /*	$NetBSD: isctype.c,v 1.13 1995/02/27 04:34:43 cgd 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 #if defined(LIBC_SCCS) && !defined(lint)
     42 #if 0
     43 static char sccsid[] = "@(#)isctype.c	5.2 (Berkeley) 6/1/90";
     44 #else
     45 static char rcsid[] = "$NetBSD: isctype.c,v 1.13 1995/02/27 04:34:43 cgd Exp $";
     46 #endif
     47 #endif /* LIBC_SCCS and not lint */
     48 
     49 #define _ANSI_LIBRARY
     50 #include <ctype.h>
     51 
     52 #undef isalnum
     53 int
     54 isalnum(c)
     55 	int c;
     56 {
     57 	return((_ctype_ + 1)[c] & (_U|_L|_N));
     58 }
     59 
     60 #undef isalpha
     61 int
     62 isalpha(c)
     63 	int c;
     64 {
     65 	return((_ctype_ + 1)[c] & (_U|_L));
     66 }
     67 
     68 #undef isblank
     69 int
     70 isblank(c)
     71 	int c;
     72 {
     73 	return(c == ' ' || c == '\t');
     74 }
     75 
     76 #undef iscntrl
     77 int
     78 iscntrl(c)
     79 	int c;
     80 {
     81 	return((_ctype_ + 1)[c] & _C);
     82 }
     83 
     84 #undef isdigit
     85 int
     86 isdigit(c)
     87 	int c;
     88 {
     89 	return((_ctype_ + 1)[c] & _N);
     90 }
     91 
     92 #undef isgraph
     93 int
     94 isgraph(c)
     95 	int c;
     96 {
     97 	return((_ctype_ + 1)[c] & (_P|_U|_L|_N));
     98 }
     99 
    100 #undef islower
    101 int
    102 islower(c)
    103 	int c;
    104 {
    105 	return((_ctype_ + 1)[c] & _L);
    106 }
    107 
    108 #undef isprint
    109 int
    110 isprint(c)
    111 	int c;
    112 {
    113 	return((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B));
    114 }
    115 
    116 #undef ispunct
    117 int
    118 ispunct(c)
    119 	int c;
    120 {
    121 	return((_ctype_ + 1)[c] & _P);
    122 }
    123 
    124 #undef isspace
    125 int
    126 isspace(c)
    127 	int c;
    128 {
    129 	return((_ctype_ + 1)[c] & _S);
    130 }
    131 
    132 #undef isupper
    133 int
    134 isupper(c)
    135 	int c;
    136 {
    137 	return((_ctype_ + 1)[c] & _U);
    138 }
    139 
    140 #undef isxdigit
    141 int
    142 isxdigit(c)
    143 	int c;
    144 {
    145 	return((_ctype_ + 1)[c] & (_N|_X));
    146 }
    147 
    148 #undef isascii
    149 int
    150 isascii(c)
    151 	int c;
    152 {
    153 	return ((unsigned)(c) <= 0177);
    154 }
    155 
    156 #undef toascii
    157 int
    158 toascii(c)
    159 	int c;
    160 {
    161 	return ((c) & 0177);
    162 }
    163 
    164 #undef _toupper
    165 int
    166 _toupper(c)
    167 	int c;
    168 {
    169 	return (c - 'a' + 'A');
    170 }
    171 
    172 #undef _tolower
    173 int
    174 _tolower(c)
    175 	int c;
    176 {
    177 	return (c - 'A' + 'a');
    178 }
    179