dvd_struct
struct dvd_struct *dvdstruct;
dvdstruct = (struct dvd_struct *)addr;
struct dvd_struct *dvdstruct);
cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
linux_to_bsd_dvd_struct(l_dvd_struct *lp, struct dvd_struct *bp)
bsd_to_linux_dvd_struct(struct dvd_struct *bp, l_dvd_struct *lp)
struct dvd_struct *bds;
#define DVDIOCREADSTRUCTURE _IOWR('c', 202, struct dvd_struct)