Copyright Tristan Aubrey-Jones and Dale Caffull December 2006.
#define MYFS_SUCCESS 0
#define MYFS_DISK_FULL (-1)
#define MYFS_FILE_NOT_FOUND (-2)
#define MYFS_FILE_EXISTS (-3)
#define MYFS_BUFFER_TOO_SMALL (-4)
#define MYFS_DISK_FAILURE (-5)
int myfs_read_file(const char filename[11], char buffer[], int buffer_size, int *file_size);
int myfs_write_file(const char filename[11], const char buffer[], int file_size);
int myfs_delete_file(const char filename[11]);
int myfs_read_sector(char buffer[512], int sector_number);
int myfs_write_sector(const char buffer[512], int sector_number);