| | 1 | /* |
| | 2 | * Copyright (c) 1989 The Regents of the University of California. |
| | 3 | * All rights reserved. |
| | 4 | * |
| | 5 | * %sccs.include.redist.c% |
| | 6 | * |
| | 7 | * @(#)ctype.h 5.5 (Berkeley) %G% |
| | 8 | */ |
| | 9 | |
| | 10 | #ifndef _CTYPE_H_ |
| | 11 | #define _CTYPE_H_ |
| | 12 | |
| | 13 | #define _U 0x01 |
| | 14 | #define _L 0x02 |
| | 15 | #define _N 0x04 |
| | 16 | #define _S 0x08 |
| | 17 | #define _P 0x10 |
| | 18 | #define _C 0x20 |
| | 19 | #define _X 0x40 |
| | 20 | #define _B 0x80 |
| | 21 | |
| | 22 | extern char _ctype_[]; |
| | 23 | |
| | 24 | #define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N)) |
| | 25 | #define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L)) |
| | 26 | #define iscntrl(c) ((_ctype_ + 1)[c] & _C) |
| | 27 | #define isdigit(c) ((_ctype_ + 1)[c] & _N) |
| | 28 | #define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N)) |
| | 29 | #define islower(c) ((_ctype_ + 1)[c] & _L) |
| | 30 | #define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)) |
| | 31 | #define ispunct(c) ((_ctype_ + 1)[c] & _P) |
| | 32 | #define isspace(c) ((_ctype_ + 1)[c] & _S) |
| | 33 | #define isupper(c) ((_ctype_ + 1)[c] & _U) |
| | 34 | #define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X)) |
| | 35 | #define tolower(c) ((c) - 'A' + 'a') |
| | 36 | #define toupper(c) ((c) - 'a' + 'A') |
| | 37 | |
| | 38 | #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) |
| | 39 | #define isascii(c) ((unsigned)(c) <= 0177) |
| | 40 | #define isblank(c) ((c) == '\t' || (c) == ' ') |
| | 41 | #define toascii(c) ((c) & 0177) |
| | 42 | #endif |
| | 43 | |
| | 44 | #endif /* !_CTYPE_H_ */ |
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