usbdevfs_ctrltransfer32 1589 fs/compat_ioctl.c #define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
usbdevfs_ctrltransfer32 1593 fs/compat_ioctl.c         struct usbdevfs_ctrltransfer32 __user *p32 = compat_ptr(arg);