1102050Stjr/* $OpenBSD: extern.h,v 1.6 2003/06/03 02:56:20 millert Exp $ */ 2127835Stjr/* $NetBSD: extern.h,v 1.4 1995/11/01 00:45:22 pk Exp $ */ 3102050Stjr 4102050Stjr/*- 5227753Stheraven * Copyright (c) 1991, 1993 6227753Stheraven * The Regents of the University of California. All rights reserved. 7227753Stheraven * 8227753Stheraven * Redistribution and use in source and binary forms, with or without 9227753Stheraven * modification, are permitted provided that the following conditions 10102050Stjr * are met: 11102050Stjr * 1. Redistributions of source code must retain the above copyright 12102050Stjr * notice, this list of conditions and the following disclaimer. 13102050Stjr * 2. Redistributions in binary form must reproduce the above copyright 14102050Stjr * notice, this list of conditions and the following disclaimer in the 15102050Stjr * documentation and/or other materials provided with the distribution. 16102050Stjr * 3. Neither the name of the University nor the names of its contributors 17102050Stjr * may be used to endorse or promote products derived from this software 18102050Stjr * without specific prior written permission. 19102050Stjr * 20102050Stjr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21102050Stjr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22102050Stjr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23102050Stjr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24102050Stjr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25102050Stjr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26102050Stjr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27102050Stjr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28102050Stjr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29102050Stjr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30102050Stjr * SUCH DAMAGE. 31102050Stjr * 32102050Stjr * @(#)extern.h 8.1 (Berkeley) 6/6/93 33102050Stjr */ 34102050Stjr 35102050Stjrtypedef struct { 36129153Stjr enum { STRING1, STRING2 } which; 37102050Stjr enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE, SET } state; 38102050Stjr int cnt; /* character count */ 39227753Stheraven int lastch; /* last character */ 40227753Stheraven int equiv[2]; /* equivalence set */ 41227753Stheraven int *set; /* set of characters */ 42227753Stheraven unsigned char *str; /* user's string */ 43227753Stheraven} STR; 44227753Stheraven 45227753Stheraven#include <limits.h> 46227753Stheraven#define NCHARS (UCHAR_MAX + 1) /* Number of possible characters. */ 47227753Stheraven#define OOBCH (UCHAR_MAX + 1) /* Out of band character value. */ 48227753Stheraven 49121845Stjrint next(STR *); 50121845Stjr