| 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, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by the University of |
| 16 | * California, Berkeley and its contributors. |
| 17 | * 4. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | * |
| 33 | * @(#)ctype.h 5.3 (Berkeley) 4/3/91 |
| 34 | */ |
| 35 | |
| 36 | #ifndef _CTYPE_H_ |
| 37 | #define _CTYPE_H_ |
| 38 | |
| 39 | #define _U 0x01 |
| 40 | #define _L 0x02 |
| 41 | #define _N 0x04 |
| 42 | #define _S 0x08 |
| 43 | #define _P 0x10 |
| 44 | #define _C 0x20 |
| 45 | #define _X 0x40 |
| 46 | #define _B 0x80 |
| 47 | |
| 48 | extern char _ctype_[]; |
| 49 | |
| 50 | #define isdigit(c) ((_ctype_ + 1)[c] & _N) |
| 51 | #define islower(c) ((_ctype_ + 1)[c] & _L) |
| 52 | #define isspace(c) ((_ctype_ + 1)[c] & _S) |
| 53 | #define ispunct(c) ((_ctype_ + 1)[c] & _P) |
| 54 | #define isupper(c) ((_ctype_ + 1)[c] & _U) |
| 55 | #define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L)) |
| 56 | #define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X)) |
| 57 | #define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N)) |
| 58 | #define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)) |
| 59 | #define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N)) |
| 60 | #define iscntrl(c) ((_ctype_ + 1)[c] & _C) |
| 61 | #define isascii(c) ((unsigned)(c) <= 0177) |
| 62 | #define toupper(c) ((c) - 'a' + 'A') |
| 63 | #define tolower(c) ((c) - 'A' + 'a') |
| 64 | #define toascii(c) ((c) & 0177) |
| 65 | |
| 66 | #endif /* !_CTYPE_H_ */ |