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1 | /* |
2 | * Copyright (c) 1989 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | * | |
33 | * @(#)ctype.h 5.3 (Berkeley) 4/3/91 | |
34 | */ | |
35 | ||
36 | #ifndef _CTYPE_H_ | |
37 | #define _CTYPE_H_ | |
38 | ||
39 | #define _U 0x01 | |
40 | #define _L 0x02 | |
41 | #define _N 0x04 | |
42 | #define _S 0x08 | |
43 | #define _P 0x10 | |
44 | #define _C 0x20 | |
45 | #define _X 0x40 | |
46 | #define _B 0x80 | |
47 | ||
48 | extern char _ctype_[]; | |
49 | ||
50 | #define isdigit(c) ((_ctype_ + 1)[c] & _N) | |
51 | #define islower(c) ((_ctype_ + 1)[c] & _L) | |
52 | #define isspace(c) ((_ctype_ + 1)[c] & _S) | |
53 | #define ispunct(c) ((_ctype_ + 1)[c] & _P) | |
54 | #define isupper(c) ((_ctype_ + 1)[c] & _U) | |
55 | #define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L)) | |
56 | #define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X)) | |
57 | #define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N)) | |
58 | #define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)) | |
59 | #define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N)) | |
60 | #define iscntrl(c) ((_ctype_ + 1)[c] & _C) | |
61 | #define isascii(c) ((unsigned)(c) <= 0177) | |
62 | #define toupper(c) ((c) - 'a' + 'A') | |
63 | #define tolower(c) ((c) - 'A' + 'a') | |
64 | #define toascii(c) ((c) & 0177) | |
65 | ||
66 | #endif /* !_CTYPE_H_ */ |