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isctype.c revision 1.15 
      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