1*f75387cbSmillert /* $OpenBSD: extern.h,v 1.6 2003/06/03 02:56:20 millert Exp $ */ 289e10cebSderaadt /* $NetBSD: extern.h,v 1.4 1995/11/01 00:45:22 pk Exp $ */ 3df930be7Sderaadt 4df930be7Sderaadt /*- 5df930be7Sderaadt * Copyright (c) 1991, 1993 6df930be7Sderaadt * The Regents of the University of California. All rights reserved. 7df930be7Sderaadt * 8df930be7Sderaadt * Redistribution and use in source and binary forms, with or without 9df930be7Sderaadt * modification, are permitted provided that the following conditions 10df930be7Sderaadt * are met: 11df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright 12df930be7Sderaadt * notice, this list of conditions and the following disclaimer. 13df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright 14df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the 15df930be7Sderaadt * documentation and/or other materials provided with the distribution. 16*f75387cbSmillert * 3. Neither the name of the University nor the names of its contributors 17df930be7Sderaadt * may be used to endorse or promote products derived from this software 18df930be7Sderaadt * without specific prior written permission. 19df930be7Sderaadt * 20df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30df930be7Sderaadt * SUCH DAMAGE. 31df930be7Sderaadt * 32df930be7Sderaadt * @(#)extern.h 8.1 (Berkeley) 6/6/93 33df930be7Sderaadt */ 34df930be7Sderaadt 35df930be7Sderaadt typedef struct { 36df930be7Sderaadt enum { STRING1, STRING2 } which; 37df930be7Sderaadt enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE, SET } state; 38df930be7Sderaadt int cnt; /* character count */ 39df930be7Sderaadt int lastch; /* last character */ 40df930be7Sderaadt int equiv[2]; /* equivalence set */ 41df930be7Sderaadt int *set; /* set of characters */ 4289e10cebSderaadt unsigned char *str; /* user's string */ 43df930be7Sderaadt } STR; 44df930be7Sderaadt 45df930be7Sderaadt #include <limits.h> 46df930be7Sderaadt #define NCHARS (UCHAR_MAX + 1) /* Number of possible characters. */ 47df930be7Sderaadt #define OOBCH (UCHAR_MAX + 1) /* Out of band character value. */ 48df930be7Sderaadt 49c72b5b24Smillert int next(STR *); 50