projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 7a00777e KB |
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) |