xref: /freebsd/usr.bin/tr/extern.h (revision 8a16b7a18f5d0b031f09832fd7752fba717e2a97)
19b50d902SRodney W. Grimes /*-
2*8a16b7a1SPedro F. Giffuni  * SPDX-License-Identifier: BSD-3-Clause
3*8a16b7a1SPedro F. Giffuni  *
49b50d902SRodney W. Grimes  * Copyright (c) 1991, 1993
59b50d902SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
69b50d902SRodney W. Grimes  *
79b50d902SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
89b50d902SRodney W. Grimes  * modification, are permitted provided that the following conditions
99b50d902SRodney W. Grimes  * are met:
109b50d902SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
119b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
129b50d902SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
139b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
149b50d902SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
15fbbd9655SWarner Losh  * 3. Neither the name of the University nor the names of its contributors
169b50d902SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
179b50d902SRodney W. Grimes  *    without specific prior written permission.
189b50d902SRodney W. Grimes  *
199b50d902SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
209b50d902SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
219b50d902SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
229b50d902SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
239b50d902SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
249b50d902SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
259b50d902SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
269b50d902SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
279b50d902SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
289b50d902SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
299b50d902SRodney W. Grimes  * SUCH DAMAGE.
309b50d902SRodney W. Grimes  *
319b50d902SRodney W. Grimes  *	@(#)extern.h	8.1 (Berkeley) 6/6/93
323f330d7dSWarner Losh  * $FreeBSD$
339b50d902SRodney W. Grimes  */
349b50d902SRodney W. Grimes 
35dc20d4b9STim J. Robbins #include <limits.h>
36ca99cfddSTim J. Robbins 
37ca99cfddSTim J. Robbins #define	NCHARS_SB	(UCHAR_MAX + 1)	/* Number of single-byte characters. */
38ca99cfddSTim J. Robbins #define	OOBCH		-1		/* Out of band character value. */
39dc20d4b9STim J. Robbins 
409b50d902SRodney W. Grimes typedef struct {
419b50d902SRodney W. Grimes 	enum { STRING1, STRING2 } which;
4230c11564SAndrey A. Chernov 	enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE,
43ca99cfddSTim J. Robbins 	       CCLASS, CCLASS_UPPER, CCLASS_LOWER, SET } state;
449b50d902SRodney W. Grimes 	int		cnt;		/* character count */
45ca99cfddSTim J. Robbins 	wint_t		lastch;		/* last character */
46ca99cfddSTim J. Robbins 	wctype_t	cclass;		/* character class from wctype() */
47ca99cfddSTim J. Robbins 	wint_t		equiv[NCHARS_SB];	/* equivalence set */
48ca99cfddSTim J. Robbins 	wint_t		*set;		/* set of characters */
499b50d902SRodney W. Grimes 	char		*str;		/* user's string */
509b50d902SRodney W. Grimes } STR;
519b50d902SRodney W. Grimes 
52ca99cfddSTim J. Robbins wint_t	 next(STR *);
5300611f04SAndrey A. Chernov int charcoll(const void *, const void *);
54