udev_usb_path 342 tools/usb/testusb.c static char udev_usb_path[] = "/dev/bus/usb"; udev_usb_path 344 tools/usb/testusb.c if (access(udev_usb_path, F_OK) == 0) udev_usb_path 345 tools/usb/testusb.c return udev_usb_path;