#define	SAMTERM

#define	RUNESIZE	sizeof(Rune)
#define	MAXFILES	256
#define	NL	5

enum{
	Up,
	Down
};

typedef struct Text	Text;
typedef struct Section	Section;
typedef struct Rasp	Rasp;

struct Section
{
	long	nrunes;
	Rune	*text;		/* if null, we haven't got it */
	Section	*next;
};

struct Rasp
{
	long	nrunes;
	Section	*sect;
};

#define	Untagged	((ushort)65535)

struct Text
{
	Rasp	rasp;
	short	nwin;
	short	front;		/* input window */
	ushort	tag;
	char	lock;
	Flayer	l[NL];		/* screen storage */
};

enum Resource
{
	Ehost		= 0x04,
	RHost		= Ehost,
	RKeyboard	= Ekeyboard,
	RMouse		= Emouse,
};

extern Text	*text[];
extern uchar	*name[];
extern ushort	tag[];
extern int	nname;
extern Cursor	bullseye;
extern Cursor	deadmouse;
extern Cursor	lockarrow;
extern Cursor	*cursor;
extern Flayer	*which;
extern Flayer	*work;
extern Text	cmd;
extern Rune	*scratch;
extern long	nscralloc;
extern char	lock;
extern char	hasunlocked;
extern long	snarflen;
extern Mouse	mouse;
extern long	modified;

Rune	*gettext(Flayer*, long, ulong*);
void	*alloc(ulong n);

void	iconinit(void);
void	getscreen(int, char**);
void	initio(void);
void	setlock(void);
void	outcmd(void);
void	rinit(Rasp*);
void	startnewfile(int, Text*);
void	cursorset(Point);
void	getmouse(void);
void	mouseunblock(void);
void	kbdblock(void);
int	button(int but);
int	load(char*, int);
int	waitforio(void);
int	rcvchar(void);
int	getch(void);
int	kbdchar(void);
int	qpeekc(void);
void	mouseexit(void);
void	cut(Text*, int, int, int);
void	paste(Text*, int);
void	snarf(Text*, int);
int	center(Flayer*, long);
int	xmenuhit(int, Menu*);
void	buttons(int);
int	getr(Rectangle*);
void	current(Flayer*);
void	duplicate(Flayer*, Rectangle, Font*, int);
void	startfile(Text*);
void	panic(char*);
void	closeup(Flayer*);
void	Strgrow(Rune**, long*, int);
int	RESHAPED(void);
void	reshape(void);
void	rcv(void);
void	type(Flayer*);
void	menu2hit(void);
void	menu3hit(void);
void	scroll(Flayer*, int);
void	hcheck(int);
void	rclear(Rasp*);
int	whichmenu(int);
void	hcut(int, long, long);
void	horigin(int, long);
void	hgrow(int, long, long, int);
int	hdata(int, long, uchar*, int);
int	hdatarune(int, long, Rune*, int);
Rune	*rload(Rasp*, ulong, ulong, ulong*);
void	menuins(int, uchar*, Text*, int, int);
void	menudel(int);
Text	*sweeptext(int, int);
void	setpat(char*);
void	scrdraw(Flayer*, long tot);
int	rcontig(Rasp*, ulong, ulong, int);
int	rmissing(Rasp*, ulong, ulong);
void	rresize(Rasp *, long, long, long);
void	rdata(Rasp*, long, long, Rune*);
void	rclean(Rasp*);
void	scrorigin(Flayer*, int, long);
long	scrtotal(Flayer*);
void	flnewlyvisible(Flayer*);
char	*rcvstring(void);
void	Strcpy(Rune*, Rune*);
void	Strncpy(Rune*, Rune*, long);
void	flushtyping(int);
void	dumperrmsg(int, int, int, int);

#include "../sam/mesg.h"

void	outTs(Tmesg, int);
void	outT0(Tmesg);
void	outTl(Tmesg, long);
void	outTslS(Tmesg, int, long, Rune*);
void	outTsll(Tmesg, int, long, long);
void	outTsl(Tmesg, int, long);
void	outstart(Tmesg);
void	outcopy(int, uchar*);
void	outshort(int);
void	outlong(long);
void	outsend(void);