/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      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.
 */

#ifndef _E_H
#define _E_H

#ifdef  __cplusplus
extern "C" {
#endif

#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) */

#ifdef  __cplusplus
}
#endif

#endif  /* _E_H */