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 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted | |
| 6 | * provided that the above copyright notice and this paragraph are | |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 16 | * | |
| 17 | * @(#)ctype.h 5.1 (Berkeley) %G% | |
| 18 | */ | |
| a5c4c76d | 19 | |
| 7a00777e KB |
20 | #define _U 0x01 |
| 21 | #define _L 0x02 | |
| 22 | #define _N 0x04 | |
| 23 | #define _S 0x08 | |
| 24 | #define _P 0x10 | |
| 25 | #define _C 0x20 | |
| 26 | #define _X 0x40 | |
| 27 | #define _B 0x80 | |
| a5c4c76d | 28 | |
| 7a00777e | 29 | extern char _ctype_[]; |
| a5c4c76d | 30 | |
| 7a00777e KB |
31 | #define isdigit(c) ((_ctype_ + 1)[c] & _N) |
| 32 | #define islower(c) ((_ctype_ + 1)[c] & _L) | |
| 33 | #define isspace(c) ((_ctype_ + 1)[c] & _S) | |
| 34 | #define ispunct(c) ((_ctype_ + 1)[c] & _P) | |
| 35 | #define isupper(c) ((_ctype_ + 1)[c] & _U) | |
| 36 | #define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L)) | |
| 37 | #define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X)) | |
| 38 | #define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N)) | |
| 39 | #define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)) | |
| 40 | #define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N)) | |
| 41 | #define iscntrl(c) ((_ctype_ + 1)[c] & _C) | |
| 42 | #define isascii(c) ((unsigned)(c) <= 0177) | |
| 43 | #define toupper(c) ((c) - 'a' + 'A') | |
| 44 | #define tolower(c) ((c) - 'A' + 'a') | |
| 45 | #define toascii(c) ((c) & 0177) |