enum	/* face strings */{	Suser,	Stime,	Sdomain,	Sshow,	Sdigest,	Nstring}; enum{	Facesize = 48,}; typedef struct Face		Face;typedef struct Facefile	Facefile; struct Face{	Image	*bit;		/* unless there's an error, this is file->image */	Image	*mask;	/* unless there's an error, this is file->mask */	char		*str[Nstring];	int		ntimes;	int		unknown;	Facefile	*file;}; /* * Loading the files is slow enough on a dial-up line to be worth this trouble */struct Facefile{	Image	*image;	Image	*mask;	ulong	mtime;	ulong	rdtime;	int		ref;	char		*file;	Facefile	*next;}; char		date[];char		*maildir; Face*	faceunpack(Plumbmsg*);Face*	nextface(void);void		findbit(Face*);void		freeface(Face*);void		initplumb(void);void		killall(char*);void		showmail(Face*);void		delete(char*, char*);void		freefacefile(Facefile*);Face*	dirface(char*, char*);void		resized(void);int		alreadyseen(char*, char*, char*);ulong	dirlen(char*); void		*emalloc(ulong);void		*erealloc(void*, ulong);char		*estrdup(char*);char		*findfile(Face*, char*, char*);