Annotation of src/include/ctype.h, Revision 1.1.1.1
1.1 deraadt 1: /* $NetBSD: ctype.h,v 1.14 1994/10/26 00:55:47 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: * @(#)ctype.h 5.3 (Berkeley) 4/3/91
41: */
42:
43: #ifndef _CTYPE_H_
44: #define _CTYPE_H_
45: #include <sys/cdefs.h>
46:
47: #define _U 0x01
48: #define _L 0x02
49: #define _N 0x04
50: #define _S 0x08
51: #define _P 0x10
52: #define _C 0x20
53: #define _X 0x40
54: #define _B 0x80
55:
56: extern const char *_ctype_;
57: extern const short *_tolower_tab_;
58: extern const short *_toupper_tab_;
59:
60: __BEGIN_DECLS
61: extern int isalnum __P ((int));
62: extern int isalpha __P ((int));
63: extern int iscntrl __P ((int));
64: extern int isdigit __P ((int));
65: extern int isgraph __P ((int));
66: extern int islower __P ((int));
67: extern int isprint __P ((int));
68: extern int ispunct __P ((int));
69: extern int isspace __P ((int));
70: extern int isupper __P ((int));
71: extern int isxdigit __P ((int));
72: extern int tolower __P ((int));
73: extern int toupper __P ((int));
74:
75: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
76: extern int isblank __P ((int));
77: extern int isascii __P ((int));
78: extern int toascii __P ((int));
79: extern int _tolower __P ((int));
80: extern int _toupper __P ((int));
81: #endif
82: __END_DECLS
83:
84: #define isdigit(c) ((_ctype_ + 1)[c] & _N)
85: #define islower(c) ((_ctype_ + 1)[c] & _L)
86: #define isspace(c) ((_ctype_ + 1)[c] & _S)
87: #define ispunct(c) ((_ctype_ + 1)[c] & _P)
88: #define isupper(c) ((_ctype_ + 1)[c] & _U)
89: #define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L))
90: #define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X))
91: #define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N))
92: #define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B))
93: #define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N))
94: #define iscntrl(c) ((_ctype_ + 1)[c] & _C)
95: #define tolower(c) ((_tolower_tab_ + 1)[c])
96: #define toupper(c) ((_toupper_tab_ + 1)[c])
97:
98: #if !defined(_ANSI_SOURCE) && !defined (_POSIX_SOURCE)
99: #if notyet
100: #define isblank(c) ((_ctype_ + 1)[c] & _B)
101: #endif
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: #endif /* !_CTYPE_H_ */
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