void map_floppy_drive(struct drive_s *drive_g);
void map_hd_drive(struct drive_s *drive_g);
void map_cd_drive(struct drive_s *drive_g);
int process_op(struct disk_op_s *op);
int send_disk_op(struct disk_op_s *op);
void map_floppy_drive(struct drive_s *drive_g);
void map_hd_drive(struct drive_s *drive_g);
void map_cd_drive(struct drive_s *drive_g);
int process_op(struct disk_op_s *op);
int send_disk_op(struct disk_op_s *op);