get_floppy_geometry
ret = get_floppy_geometry(drive, type, &g);
ret = get_floppy_geometry(drive, type,
err = get_floppy_geometry(drive, ITYPE(drive_state[drive].fd_device),
get_floppy_geometry(fs, 0, &g);
ret = get_floppy_geometry(fs, 0, &g);