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 * from: @(#)ctype.h 5.3 (Berkeley) 4/3/91 34 * 386BSD: $Id: ctype.h,v 1.2 93/02/05 19:55:23 bill Exp Locker: bill $ 35 */ 36 37 #ifndef _CTYPE_H_ 38 #define _CTYPE_H_ 39 40 #define _U 0x01 41 #define _L 0x02 42 #define _N 0x04 43 #define _S 0x08 44 #define _P 0x10 45 #define _C 0x20 46 #define _X 0x40 47 #define _B 0x80 48 49 extern char _ctype_[]; 50 51 #define isdigit(c) ((_ctype_ + 1)[c] & _N) 52 #define islower(c) ((_ctype_ + 1)[c] & _L) 53 #define isspace(c) ((_ctype_ + 1)[c] & _S) 54 #define ispunct(c) ((_ctype_ + 1)[c] & _P) 55 #define isupper(c) ((_ctype_ + 1)[c] & _U) 56 #define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L)) 57 #define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X)) 58 #define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N)) 59 #define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)) 60 #define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N)) 61 #define iscntrl(c) ((_ctype_ + 1)[c] & _C) 62 #define isascii(c) ((unsigned)(c) <= 0177) 63 #define toupper(c) ({ \ 64 char v = (c); \ 65 islower(v) ? v - 'a' + 'A' : v; \ 66 }) 67 #define tolower(c) ({ \ 68 char v = (c); \ 69 isupper(v) ? v - 'A' + 'a' : v; \ 70 }) 71 #define toascii(c) ((c) & 0177) 72 73 #endif /* !_CTYPE_H_ */ 74