/* USB::DevHandle#usb_release_interface(interface) */
static VALUE
rusb_release_interface(VALUE v, VALUE interface)
{
  usb_dev_handle *p = get_usb_devhandle(v);
  int ret = usb_release_interface(p, NUM2INT(interface));
  check_usb_error("usb_release_interface", ret);
  return Qnil;
}