Method devnode

src/library/inputs/udevwrappers.cpp:667–667

    String sysname() const { return path.ensure_c_str().rsplit('/').second; }
    String sysnum() const { return path.ensure_c_str().rtok("0123456789").second; }
    String devnode() const { return propertyValue("DEVNAME"); }
    bool isInitialized() const { return initialized; }
    bool isValid() const { return valid; }
    Device *validate() { return isValid() ? this : nullptr; }