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 | * |
| 8e1ab12a | 7 | * @(#)ctype.h 5.7 (Berkeley) %G% |
| 7a00777e | 8 | */ |
| a5c4c76d | 9 | |
| d2b7358e KB |
10 | #ifndef _CTYPE_H_ |
| 11 | #define _CTYPE_H_ | |
| 12 | ||
| 7a00777e KB |
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 | |
| a5c4c76d | 21 | |
| 8e1ab12a | 22 | extern char __ctype[], __maplower[], __mapupper[]; |
| a5c4c76d | 23 | |
| 284fe60d KB |
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) ((__maplower + 1)[c]) | |
| 36 | #define toupper(c) ((__mapupper + 1)[c]) | |
| d2b7358e | 37 | |
| 02fa8db5 | 38 | #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) |
| 284fe60d | 39 | #define isascii(c) ((unsigned int)(c) <= 0177) |
| 02fa8db5 KB |
40 | #define isblank(c) ((c) == '\t' || (c) == ' ') |
| 41 | #define toascii(c) ((c) & 0177) | |
| 42 | #endif | |
| 43 | ||
| d2b7358e | 44 | #endif /* !_CTYPE_H_ */ |