/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/


/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */
     
/*
 * Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
 * All Rights Reserved.
 */

# ident	"%Z%%M%	%I%	%E% SMI"	/* "@(#)ucbeqn:e.h 1.1" */

#include <stdio.h>

#define	FATAL	1
#define	ROM	'1'
#ifndef NEQN
#define	ITAL	'2'
#define	BLD	'3'
#else NEQN
#define	ITAL	'1'
#define	BLD	'1'
#endif NEQN

#ifndef NEQN
#define	VERT(n)	((((n)+1)/3)*3)
#define POINT	72
#define EM(m, ps)	(int)((((float)(m)*(ps) * resolution) / POINT))
#else NEQN
#define	VERT(n)	(20 * (n))
#endif NEQN
#define	EFFPS(p)	((p) >= 6 ? (p) : 6)

extern int	dbg;
extern int	ct;
extern int	lp[];
extern int	used[];	/* available registers */
extern int	ps;	/* dflt init pt size */
extern int	resolution;	/* resolution of ditroff */
extern int	deltaps;	/* default change in ps */
extern int	gsize;	/* global size */
extern int	gfont;	/* global font */
extern int	ft;	/* dflt font */
extern FILE	*curfile;	/* current input file */
extern int	ifile;	/* input file number */
extern int	linect;	/* line number in current file */
extern int	eqline;	/* line where eqn started */
extern int	svargc;
extern char	**svargv;
extern int	eht[];
extern int	ebase[];
extern int	lfont[];
extern int	rfont[];
extern int	yyval;
extern int	*yypv;
extern int	yylval;
extern int	eqnreg, eqnht;
extern int	lefteq, righteq;
extern int	lastchar;	/* last character read by lex */
extern int	markline;	/* 1 if this EQ/EN contains mark or lineup */

typedef struct s_tbl {
	char	*name;
	char	*defn;
	struct s_tbl *next;
} tbl;
extern  char    *spaceval;  /* use in place of normal \x (for pic) */