1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. 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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)extern.h 8.1 (Berkeley) 6/6/93 30 * $FreeBSD$ 31 */ 32 33 #include <limits.h> 34 35 #define NCHARS_SB (UCHAR_MAX + 1) /* Number of single-byte characters. */ 36 #define OOBCH -1 /* Out of band character value. */ 37 38 typedef struct { 39 enum { STRING1, STRING2 } which; 40 enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE, 41 CCLASS, CCLASS_UPPER, CCLASS_LOWER, SET } state; 42 int cnt; /* character count */ 43 wint_t lastch; /* last character */ 44 wctype_t cclass; /* character class from wctype() */ 45 wint_t equiv[NCHARS_SB]; /* equivalence set */ 46 wint_t *set; /* set of characters */ 47 char *str; /* user's string */ 48 } STR; 49 50 wint_t next(STR *); 51 int charcoll(const void *, const void *); 52