/*
 * Copyright (c) 1987 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)ctags.h	5.4 (Berkeley) 2/26/91
 */

#include <strings.h>
#define	bool	char

#define	YES		1
#define	NO		0
#define	EOS		'\0'

#define	ENDLINE		50		/* max length of pattern */
#define	MAXTOKEN	250		/* max size of single token */

#define	SETLINE		{++lineno;lineftell = ftell(inf);}
#define	GETC(op,exp)	((c = getc(inf)) op (int)exp)

#define	iswhite(arg)	(_wht[arg])	/* T if char is white */
#define	begtoken(arg)	(_btk[arg])	/* T if char can start token */
#define	intoken(arg)	(_itk[arg])	/* T if char can be in token */
#define	endtoken(arg)	(_etk[arg])	/* T if char ends tokens */
#define	isgood(arg)	(_gd[arg])	/* T if char can be after ')' */

					/* Symbol types */
#define SY_MAC	1			/* Preprocessor Macros */
#define SY_DEF	2			/* Preprocessor Defines */
#define SY_FUN	3			/* C Functions */
#define SY_VAR	4			/* C Variables */
#define SY_STR	5			/* C Structs */
#define SY_UNI	6			/* C Unions */
#define SY_TYP	7			/* C Typedefs */
#define SY_ENU	8			/* C Enums */

typedef struct nd_st {			/* sorting structure */
	struct nd_st	*left,
			*right;		/* left and right sons */
	char	*entry,			/* function or type name */
		*file,			/* file name */
		*pat;			/* search pattern */
	int	symbtype;		/* Type of symbol */
	int	lno;			/* for -x option */
	bool	been_warned;		/* set if noticed dup */
} NODE;

extern FILE	*inf;			/* ioptr for current input file */
extern long	lineftell;		/* ftell after getc( inf ) == '\n' */
extern int	lineno,			/* line number of current line */
		xflag;			/* -x: cxref style output */
extern bool	_wht[0177],_etk[0177],_itk[0177],_btk[0177],_gd[0177];
extern char	lbuf[BUFSIZ];