29 typedef struct Fs_t {  struct
41 	unsigned int (*fat_decode)(struct Fs_t *This, unsigned int num);  argument
42 	void (*fat_encode)(struct Fs_t *This, unsigned int num,  argument
45 	Stream_t *Direct;
46 	int fat_dirty;
47 	unsigned int fat_start;
48 	unsigned int fat_len;
50 	unsigned int num_fat;
51 	unsigned int end_fat;
52 	unsigned int last_fat;
53 	int fat_bits; /* must be signed, because we use negative values
55 	struct FatMap_t *FatMap;
80 } Fs_t;  argument