usbfs_disconnect_claim 1574 third_party/libusb/src/libusb/os/linux_usbfs.c 	struct usbfs_disconnect_claim dc;
usbfs_disconnect_claim  157 third_party/libusb/src/libusb/os/linux_usbfs.h #define IOCTL_USBFS_DISCONNECT_CLAIM	_IOR('U', 27, struct usbfs_disconnect_claim)