[unix-history] / usr / src / usr.bin / tr / extern.h

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)extern.h	5.2 (Berkeley) %G%
 */

typedef struct {
	enum { STRING1, STRING2 } which;
	enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE, SET } state;
	int	 cnt;			/* character count */
	int	 lastch;		/* last character */
	int	equiv[2];		/* equivalence set */
	int	*set;			/* set of characters */
	char	*str;			/* user's string */
} STR;

#include <limits.h>
#define	NCHARS	(UCHAR_MAX + 1)		/* Number of possible characters. */
#define	OOBCH	(UCHAR_MAX + 1)		/* Out of band character value. */

void	 err __P((const char *fmt, ...));
int	 next __P((STR *));
Commit	Line	Data
304f87e5 KB	1	/*-
	2	* Copyright (c) 1991 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* %sccs.include.redist.c%
	6	*
6d5d747e	7	* @(#)extern.h 5.2 (Berkeley) %G%
304f87e5 KB	8	*/
	9
	10	typedef struct {
6d5d747e KB	11	enum { STRING1, STRING2 } which;
6d5d747e KB	12	enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE, SET } state;
304f87e5 KB	13	int cnt; /* character count */
304f87e5 KB	14	int lastch; /* last character */
6d5d747e	15	int equiv[2]; /* equivalence set */
304f87e5 KB	16	int set; / set of characters */
304f87e5 KB	17	char str; / user's string */
304f87e5 KB	18	} STR;
	19
	20	#include <limits.h>
	21	#define NCHARS (UCHAR_MAX + 1) /* Number of possible characters. */
	22	#define OOBCH (UCHAR_MAX + 1) /* Out of band character value. */
	23
	24	void err __P((const char *fmt, ...));
	25	int next __P((STR *));