USBDEVFS_FREE_STREAMS 219 include/uapi/linux/usbdevice_fs.h #define USBDEVFS_FREE_STREAMS _IOR('U', 29, struct usbdevfs_streams) USBDEVFS_FREE_STREAMS 219 tools/include/uapi/linux/usbdevice_fs.h #define USBDEVFS_FREE_STREAMS _IOR('U', 29, struct usbdevfs_streams)