usb_ia_obtain_state
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);
static usb_ia_t *usb_ia_obtain_state(dev_info_t *);
usb_ia = usb_ia_obtain_state(dip);
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);
usb_ia = usb_ia_obtain_state(dip);
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);
usb_ia_t *usb_ia = usb_ia_obtain_state(dip);