struct	ffblk	{
	char		ff_reserved[21];
	char		ff_attrib;
	unsigned	ff_ftime;
	unsigned	ff_fdate;
	long		ff_fsize;
	char		ff_name[13];
};
int	 _Cdecl findfirst	(const char *path, struct ffblk *ffblk, 
				 int attrib);
int	 _Cdecl findnext	(struct ffblk *ffblk);
void	 _Cdecl fnmerge		(char *path,const char *drive,const char *dir,
				 const char *name, const char *ext);
int	 _Cdecl fnsplit		(const char *path, char *drive, char *dir, 
				 char *name, char *ext);