void	die(char*, ...);

int	sinit(Str*, char*, int);
void	stail(Str*, char*, int);
void	sclear(Str*);
void	sputr(Str*, Rune);
void	spopr(Str*);
void	sappend(Str*, Str*);
int	scmp(Str*, Str*);
int	stoutf(Str*, char*, int);
Rune	slastr(Str*);

int	mapget(Trie*, Str*, Str*);

Trie*	trienew(void);
void	trieput(Trie*, char*, int, char*, int);
Trie*	trieopen(char*);
void	trieclose(Trie*);
int	trienode(Trie*, Str*);
int	trielookup(Trie*, Str*, char**, int*);

Lang*	getlang(int);
void	langinit(char*);

int	dictlookup(Trie*, Str*, Str*, int);
int	dictprefix(Trie*, Str*, Str*, int);

void	drawthread(void*);
void	popuparea(Area*, int, Area*, int, int, Area*);
void	popupposition(Caret*, int, int, Area*, int, int, int*, int*);
int	pagemarker(char*, int, int, int, int);
void	popuplayout(Drawcmd*, int, int, Popup*);
void	popupdraw(u32int*, Drawcmd*, Popup*);
void	imthread(void*);
void	impre(Im*, Str*);
void	transstr(Lang*, Str*, Str*, Str*);
Emit	transmap(Im*, Rune);
Emit	transko(Im*, Rune);
Emit	transvi(Im*, Rune);
void	backko(Im*);
void	backvi(Im*);

void	srvinit(void);
void	srvthread(void*);
void	ibusthread(void*);
void	ximthread(void*);
int	wlinit(void);
void	wlthread(void*);
int	keymeaningful(u32int);

void	composeinit(void);
void	composedrop(int, void*);
int	composekey(int, void*, u32int, char*, int);

void*	emalloc(ulong);
void*	erealloc(void*, ulong);

void	textinit(void);
void	textclose(void);
int	textwidth(Str*);
void	textdraw(u32int*, int, int, int, int, int, u32int, Str*);