Addr	address(Rune*, String*);
int	alnum(int);
void	control(void);
char*	cstr(Rune*, long);
Page*	curpage(void);
void	cut(Text*, int);
void	doubleclick(Text*, ulong);
void*	emalloc(ulong);
Rune*	endslash(Rune*);
void*	erealloc(void*, ulong);
void	error(char*);
void	err(char*, ...);
void	errs(uchar*);
void	execute(Text*, ulong, ulong);
Page*	findopen(Rune*, int);
ulong	gettime(void);
void	highlight(Text*);
void	io(void);
long	max(long, long);
long	min(long, long);
Page*	newpage(Page*, Page*);
Proc*	newproc(void (*)(void), void*);
void	newsel(Text*);
Page*	pageadd(Page*, int);
void	pagedraw(Page*, Rectangle, int);
Page*	pagelookup(int);
void	pagetop(Page*, Point, int);
Page*	pagesplit(Page*, int);
void	paste(Text*);
void	pick(Frame*, Mouse*, int);
void	pick2(Frame*, Mouse*, int, ulong*, ulong*);
void	puttag(Page*, char*, ulong);
long	rstrlen(Rune*);
Rune*	rstrchr(Rune*, Rune);
int	rstrncmp(Rune*, Rune*, int);
void	run(Proc*);
void	sched(void);
void	scrdraw(Text*);
void	scroll(Text*, int);
void	scrorigin(Text*, int, long);
void	setoutline(Text*, int);
void	show(Text*, ulong);
void	snarf(Text*);
void	Strinsert(String*, Rune*, int, ulong);
void	Strdelete(String*, ulong, ulong);
void	textdraw(Text*);
void	textinsert(Text*, Rune*, ulong, int, int);
void	textureinit(void);
Rune*	tmprstr(char*);
void	type(int);
void	unputtag(Page*, char*);
Page*	whichpage(Page*, int);
void	xtrn(int, char*[], Page*, Text*);
void	xtrndelete(Client*);
void	xtrnwrite(Client*, int, uchar*, int);