1 extern	char	**argp;
2 extern	char	*chname;
3 extern	char	*eibuf;
4 extern	char	*enda;
5 extern	char	*fitab[];
6 extern	char	*fontab[];
7 extern	char	*kerntab[];
8 extern	char	*ibufp;
9 extern	char	*obufp;
10 extern	char	*unlkp;
11 extern	char	*xbufp;
12 extern	char	*xeibuf;
13 extern	char	cfname[NSO][NS];
14 extern	char	devname[];
15 extern	char	fontfile[];
16 extern	char	ibuf[IBUFSZ];
17 extern	char	nextf[];
18 extern	char	obuf[],	*obufp;
19 extern	char	termtab[],	fontfile[];
20 extern	char	xbuf[IBUFSZ];
21 extern	filep	apptr;
22 extern	filep	ip;
23 extern	filep	nextb;
24 extern	filep	offset;
25 extern	filep	roff;
26 extern	filep	woff;
27 extern	short	*chtab;
28 extern	int	*pnp;
29 extern	short	*pstab;
30 extern	int	app;
31 extern	int	ascii;
32 extern	int	bd;
33 extern	int	bdtab[];
34 extern	int	ccs;
35 extern	int	copyf;
36 extern	int	cs;
37 extern	int	dfact;
38 extern	int	dfactd;
39 extern	int	diflg;
40 extern	int	dilev;
41 extern	int	donef;
42 extern	int	dotT;
43 extern	int	dpn;
44 extern	int	ds;
45 extern	int	ejf;
46 extern	int	em;
47 extern	int	eqflg;
48 extern	int	error;
49 extern	int	esc;
50 extern	int	eschar;
51 extern	int	ev;
52 extern	int	evi;
53 extern	int	evlist[EVLSZ];
54 extern	int	fc;
55 extern	int	flss;
56 extern	int	fontlab[];
57 extern	int	gflag;
58 extern	int	hflg;
59 extern	int	ibf;
60 extern	int	ifi;
61 extern	int	ifile;
62 extern	int	ifl[NSO];
63 extern	int	iflg;
64 extern	int	init;
65 extern	int	lead;
66 extern	int	lg;
67 extern	int	lgf;
68 extern	int	macerr;
69 extern	int	mflg;
70 extern	int	mfont;
71 extern	int	mlist[NTRAP];
72 extern	int	mpts;
73 extern	int	ndone;
74 extern	int	newmn;
75 extern	int	nflush;
76 extern	int	nfo;
77 extern	int	nfonts;
78 extern	int	nform;
79 extern	int	nhyp;
80 extern	int	nlflg;
81 extern	int	nlist[NTRAP];
82 extern	int	no_out;
83 extern	int	nofeed;
84 extern	int	nonumb;
85 extern	int	noscale;
86 extern	int	npn;
87 extern	int	npnflg;
88 extern	int	nx;
89 extern	int	oldbits;
90 extern	int	oldmn;
91 extern	int	over;
92 extern	int	padc;
93 extern	int	pfont;
94 extern	int	pfrom;
95 extern	int	pipeflg;
96 extern	int	pl;
97 extern	int	pnlist[];
98 extern	int	po1;
99 extern	int	po;
100 extern	int	ppts;
101 extern	int	print;
102 extern	int	ptid;
103 extern	int	pto;
104 extern	int	quiet;
105 extern	int	ralss;
106 extern	int	rargc;
107 extern	int	raw;
108 extern	int	res;
109 extern	int	setwdf;
110 extern	int	sfont;
111 extern	int	smnt;
112 extern	int	stdi;
113 extern	int	stop;
114 extern	int	sv;
115 extern	int	tabch,	ldrch;
116 extern	int	tflg;
117 extern	int	totout;
118 extern	int	trap;
119 extern	int	trtab[];
120 extern	int	tty;
121 extern	int	ttyod;
122 extern	int	ttysave;
123 extern	int	ulfont;
124 extern	int	vflag;
125 extern	int	wbfi;
126 extern	int	widthp;
127 extern	int	xfont;
128 extern	int	xpts;
129 extern	no_out;
130 extern	struct	s	*ejl;
131 extern	struct	s	*frame,	*stk,	*nxf;
132 extern	struct	sgttyb	ttys;
133 extern	tchar	**hyp;
134 extern	tchar	*olinep;
135 extern	tchar	pbbuf[NC];
136 extern	tchar	*pbp;
137 extern	tchar	*lastpbp;
138 extern	tchar	ch;
139 extern	tchar	nrbits;
140 extern	tchar	oline[];
141 extern	struct widcache {	/* width cache, indexed by character */
142 	short	fontpts;
143 	short	width;
144 } widcache[NWIDCACHE];
145 extern	char gchtab[];
146 extern	struct	d	d[NDI];
147 extern	struct	d	*dip;
148