#define Disk_Size 		(16384)			//Disk的空間大小(以Sector/Page為基本單位)#define Root_Cluster	(0)				//#define Start_Cluster	(1)				//Cluster0被Root_Information占用#define End_Cluster		(Disk_Size/32)#define UNUSED_MARK		(0xFF)#define BAD_MARK		(0x00)#define LAST_BLOCK		(0xFFFF)#define FILE_NO_FOUND	(512)#define BLOCK_SIZE		(16*1024)extern U8 root_buf[512][32];extern U32 pre_block,current_block;U32 seek_blank_block(U32 StartBlock);void creat_file(U8 *file_information);void close_file(void);void format_disk(void);void write_file(U8 endflag,U8 *block_buf);//used in OSFile 2 times U32 find_file(U8 *file_information);	//use in many file for find a fileU32 comp_filename(U8 *s1,U8 *s2);void read_file(U8 *block_buf);	//read_file after find_filevoid file_rename(U8 *old_new_filename);void del_file(U8 *filename);