USBDEVFS_CLAIM_PORT 214 include/uapi/linux/usbdevice_fs.h #define USBDEVFS_CLAIM_PORT _IOR('U', 24, unsigned int) USBDEVFS_CLAIM_PORT 214 tools/include/uapi/linux/usbdevice_fs.h #define USBDEVFS_CLAIM_PORT _IOR('U', 24, unsigned int)