scsi_ms_header_t
scsi_ms_header_t *smh = &headers.ms_hdr.g0;
(caddr_t)allpages, UCHAR_MAX - sizeof (scsi_ms_header_t),
scsi_ms_header_t g0;
typedef int (*scsi_mode_select_f)(int, int, caddr_t, int, scsi_ms_header_t *,
int page_size, scsi_ms_header_t *header, void *rqbuf, int *rqblen)
typedef int (*scsi_mode_sense_f)(int, int, caddr_t, int, scsi_ms_header_t *,
caddr_t page_data, int page_size, scsi_ms_header_t *header,
int simscsi_mode_sense(void *, int, int, caddr_t, int, scsi_ms_header_t *,
scsi_ms_header_t *, void *, int *);
int uscsi_mode_sense(int, int, int, caddr_t, int, scsi_ms_header_t *,
int uscsi_mode_select(int, int, int, caddr_t, int, scsi_ms_header_t *,