static int ntop_is_pro(lua_State *vm) {
  ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
  lua_pushboolean(vm, ntop->getPrefs()->is_pro_edition());
  return(CONST_LUA_OK);
}
static int ntop_is_pro(lua_State *vm) {
  ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
  lua_pushboolean(vm, ntop->getPrefs()->is_pro_edition());
  return(CONST_LUA_OK);
}