void iwinfo_finish(void)
{
#ifdef USE_WL
	wl_close();
#endif
#ifdef USE_MADWIFI
	madwifi_close();
#endif
#ifdef USE_NL80211
	nl80211_close();
#endif
	wext_close();
	iwinfo_close();
}
/* Shutdown backends */
static int iwinfo_L__gc(lua_State *L)
{
#ifdef USE_WL
    wl_close();
#endif
#ifdef USE_MADWIFI
    madwifi_close();
#endif
#ifdef USE_NL80211
    nl80211_close();
#endif
    wext_close();
    iwinfo_close();
}