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1 | /* |
2 | * Copyright (c) 1989 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
863005e5 | 5 | * %sccs.include.redist.c% |
7a00777e | 6 | * |
863005e5 | 7 | * @(#)ctype.h 5.2 (Berkeley) %G% |
7a00777e | 8 | */ |
a5c4c76d | 9 | |
7a00777e KB |
10 | #define _U 0x01 |
11 | #define _L 0x02 | |
12 | #define _N 0x04 | |
13 | #define _S 0x08 | |
14 | #define _P 0x10 | |
15 | #define _C 0x20 | |
16 | #define _X 0x40 | |
17 | #define _B 0x80 | |
a5c4c76d | 18 | |
7a00777e | 19 | extern char _ctype_[]; |
a5c4c76d | 20 | |
7a00777e KB |
21 | #define isdigit(c) ((_ctype_ + 1)[c] & _N) |
22 | #define islower(c) ((_ctype_ + 1)[c] & _L) | |
23 | #define isspace(c) ((_ctype_ + 1)[c] & _S) | |
24 | #define ispunct(c) ((_ctype_ + 1)[c] & _P) | |
25 | #define isupper(c) ((_ctype_ + 1)[c] & _U) | |
26 | #define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L)) | |
27 | #define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X)) | |
28 | #define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N)) | |
29 | #define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)) | |
30 | #define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N)) | |
31 | #define iscntrl(c) ((_ctype_ + 1)[c] & _C) | |
32 | #define isascii(c) ((unsigned)(c) <= 0177) | |
33 | #define toupper(c) ((c) - 'a' + 'A') | |
34 | #define tolower(c) ((c) - 'A' + 'a') | |
35 | #define toascii(c) ((c) & 0177) |