usbdevfs_ioctl
static int proc_ioctl(struct usb_dev_state *ps, struct usbdevfs_ioctl *ctl)
struct usbdevfs_ioctl ctrl;
struct usbdevfs_ioctl ctrl;
#define USBDEVFS_IOCTL _IOWR('U', 18, struct usbdevfs_ioctl)
#define USBDEVFS_IOCTL _IOWR('U', 18, struct usbdevfs_ioctl)
struct usbdevfs_ioctl wrapper;