diff --git a/Makefile b/Makefile
index 426b95f..8bb98b4 100755
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,6 @@ EXTRA_CFLAGS += -Wextra
 #EXTRA_CFLAGS += -Wno-tautological-compare
 #EXTRA_CFLAGS += -Wno-incompatible-pointer-types
 #EXTRA_CFLAGS += -Wno-switch
-EXTRA_CFLAGS += -Wmissing-field-initializers
 EXTRA_CFLAGS += -Wno-cast-function-type
 EXTRA_CFLAGS += -Wno-unused-variable
 EXTRA_CFLAGS += -Wno-unused-value
@@ -44,12 +43,8 @@ CONFIG_RTL8821A = y
 CONFIG_RTL8814A = y
 ######################### Interface ###########################
 CONFIG_USB_HCI = y
-#########################    LED    ###########################
-CONFIG_LED_CONTROL = y
-CONFIG_LED_ENABLE = y
 ########################## Features ###########################
 CONFIG_NET_NS = n
-CONFIG_IPV6_DISABLE = n
 CONFIG_MP_INCLUDED = y
 CONFIG_CONCURRENT_MODE = n
 CONFIG_POWER_SAVING = n
@@ -156,7 +151,6 @@ CONFIG_PLATFORM_ARM_SPREADTRUM_6820 = n
 CONFIG_PLATFORM_ARM_SPREADTRUM_8810 = n
 CONFIG_PLATFORM_ARM_WMT = n
 CONFIG_PLATFORM_ARM_RPI = n
-CONFIG_PLATFORM_ARM64_RPI = n
 CONFIG_PLATFORM_ARM_ODROIDC2 = n
 CONFIG_PLATFORM_TI_DM365 = n
 CONFIG_PLATFORM_MOZART = n
@@ -1457,17 +1451,6 @@ MODDESTDIR := /lib/modules/$(KVER)/kernel/drivers/net/wireless/
 INSTALL_PREFIX :=
 endif
 
-ifeq ($(CONFIG_PLATFORM_ARM64_RPI), y)
-EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
-EXTRA_CFLAGS += -DRTW_USE_CFG80211_STA_EVENT
-ARCH ?= arm64
-CROSS_COMPILE ?=
-KVER ?= $(shell uname -r)
-KSRC := /lib/modules/$(KVER)/build
-MODDESTDIR := /lib/modules/$(KVER)/kernel/drivers/net/wireless/
-INSTALL_PREFIX :=
-endif
-
 ifeq ($(CONFIG_PLATFORM_ARM_ODROIDC2), y)
 EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
 EXTRA_CFLAGS += -DCONFIG_IOCTL_CFG80211 -DRTW_USE_CFG80211_STA_EVENT
@@ -1730,7 +1713,7 @@ install:
 	/sbin/depmod -a ${KVER}
 
 uninstall:
-	rm -f $(MODDESTDIR)$(MODULE_NAME).ko
+	rm -f $(MODDESTDIR)/$(MODULE_NAME).ko
 	/sbin/depmod -a ${KVER}
 
 backup_rtlwifi:
diff --git a/core/rtw_mlme_ext.c b/core/rtw_mlme_ext.c
index e298ef9..5bd061e 100644
--- a/core/rtw_mlme_ext.c
+++ b/core/rtw_mlme_ext.c
@@ -5965,7 +5965,7 @@ void issue_probersp_p2p(_adapter *padapter, unsigned char *da)
 	/* DS parameter set */
 	pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&pwdinfo->listen_channel, &pattrib->pktlen);
 
-#if 0
+#ifdef CONFIG_IOCTL_CFG80211
 	if (adapter_wdev_data(padapter)->p2p_enabled && pwdinfo->driver_interface == DRIVER_CFG80211) {
 		if (pmlmepriv->wps_probe_resp_ie != NULL && pmlmepriv->p2p_probe_resp_ie != NULL) {
 			/* WPS IE */
diff --git a/core/rtw_recv.c b/core/rtw_recv.c
index 4158f16..ee51ced 100644
--- a/core/rtw_recv.c
+++ b/core/rtw_recv.c
@@ -3964,12 +3964,6 @@ static sint fill_radiotap_hdr(_adapter *padapter, union recv_frame *precvframe,
 	rtap_hdr = (struct ieee80211_radiotap_header *)&hdr_buf[0];
 	rtap_hdr->it_version = PKTHDR_RADIOTAP_VERSION;
 
-#ifdef CONFIG_RTL8814A
-	/* RTL8814AU rx descriptor has no bandwidth, ldpc, stbc and sgi info */
-	/* fixup bandwidth */
-	pattrib->bw = pattrib->phy_info.band_width & 0x03;
-#endif
-
 	/* tsft */
 	if (pattrib->tsfl) {
 		u64 tmp_64bit;
@@ -4088,19 +4082,22 @@ static sint fill_radiotap_hdr(_adapter *padapter, union recv_frame *precvframe,
 		hdr_buf[rt_len] |= BIT1; /* MCS index known */
 
 		/* bandwidth */
+#ifdef CONFIG_RTL8814A
+		if(pattrib->physt) {
+			hdr_buf[rt_len] |= BIT0;
+			hdr_buf[rt_len+1] |= (pattrib->phy_info.band_width & 0x03);
+		}
+#else
 		hdr_buf[rt_len] |= BIT0;
 		hdr_buf[rt_len + 1] |= (pattrib->bw & 0x03);
 
-		/* guard interval */
-#ifndef CONFIG_RTL8814A
-		hdr_buf[rt_len] |= BIT2;
 #endif
+		/* guard interval */
+		hdr_buf[rt_len] |= BIT2;
 		hdr_buf[rt_len + 1] |= (pattrib->sgi & 0x01) << 2;
 
 		/* STBC */
-#ifndef CONFIG_RTL8814A
 		hdr_buf[rt_len] |= BIT5;
-#endif
 		hdr_buf[rt_len + 1] |= (pattrib->stbc & 0x03) << 5;
 
 		rt_len += 2;
@@ -4135,9 +4132,7 @@ static sint fill_radiotap_hdr(_adapter *padapter, union recv_frame *precvframe,
 		hdr_buf[rt_len + 2] |= (pattrib->sgi & 0x01) << 2;
 
 		/* LDPC extra OFDM symbol */
-#ifndef CONFIG_RTL8814A
 		tmp_16bit |= BIT4;
-#endif
 		hdr_buf[rt_len + 2] |= (pattrib->ldpc & 0x01) << 4;
 
 		memcpy(&hdr_buf[rt_len], &tmp_16bit, 2);
diff --git a/dkms-install.sh b/dkms-install.sh
index 58503ef..b4c4379 100755
--- a/dkms-install.sh
+++ b/dkms-install.sh
@@ -7,12 +7,11 @@ else
   echo "About to run dkms install steps..."
 fi
 
-
-DRV_DIR=`pwd`
+DRV_DIR=rtl8812au
 DRV_NAME=rtl8812au
 DRV_VERSION=5.3.4
 
-cp -r ${DRV_DIR} /usr/src/${DRV_NAME}-${DRV_VERSION}
+cp -r $(pwd) /usr/src/${DRV_NAME}-${DRV_VERSION}
 
 dkms add -m ${DRV_NAME} -v ${DRV_VERSION}
 dkms build -m ${DRV_NAME} -v ${DRV_VERSION}
@@ -21,7 +20,7 @@ RESULT=$?
 
 echo "Finished running dkms install steps."
 
-if grep -q -e "^CONFIG_DISABLE_IPV6 = y$" "$DRV_DIR/Makefile" ; then
+
 	if echo "net.ipv6.conf.all.disable_ipv6 = 1
   net.ipv6.conf.default.disable_ipv6 = 1
   net.ipv6.conf.lo.disable_ipv6 = 1" >> /etc/sysctl.conf; then
@@ -30,6 +29,6 @@ if grep -q -e "^CONFIG_DISABLE_IPV6 = y$" "$DRV_DIR/Makefile" ; then
 	else
 		echo "Could not disable IPv6"
 	fi
-fi
+
 
 exit $RESULT
diff --git a/dkms.conf b/dkms.conf
index a8669e8..1f862a2 100644
--- a/dkms.conf
+++ b/dkms.conf
@@ -1,5 +1,5 @@
 PACKAGE_NAME="realtek-rtl88xxau"
-PACKAGE_VERSION="5.3.4~20190409"
+PACKAGE_VERSION="5.3.4~20190522"
 CLEAN="'make' clean"
 BUILT_MODULE_NAME[0]=88XXau
 PROCS_NUM=`nproc`
diff --git a/hal/phydm/phydm_hwconfig.c b/hal/phydm/phydm_hwconfig.c
index fd03fb3..69d3490 100644
--- a/hal/phydm/phydm_hwconfig.c
+++ b/hal/phydm/phydm_hwconfig.c
@@ -299,13 +299,13 @@ odm_config_bb_with_header_file(
 			/*if (p_dm->rfe_type == 0)
 				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type0);
 			else if (dm->rfe_type == 2)
-				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type2);
+				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type2);				
 			else if (dm->rfe_type == 3)
-				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type3);
+				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type3);		
 			else if (dm->rfe_type == 4)
-				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type4);
+				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type4);		
 			else if (dm->rfe_type == 5)
-				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type5);
+				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type5);		
 			else if (dm->rfe_type == 7)
 				READ_AND_CONFIG_MP(8814a,_phy_reg_pg_type7);
 			else if (dm->rfe_type == 8)
diff --git a/hal/rtl8814a/rtl8814a_dm.c b/hal/rtl8814a/rtl8814a_dm.c
index aef425e..61a77d1 100644
--- a/hal/rtl8814a/rtl8814a_dm.c
+++ b/hal/rtl8814a/rtl8814a_dm.c
@@ -334,7 +334,7 @@ void rtl8814_init_dm_priv(IN PADAPTER Adapter)
 #endif
 
 	Init_ODM_ComInfo_8814(Adapter);
-	odm_init_all_timers(podmpriv );
+	odm_init_all_timers(podmpriv );	
 	//PHYDM_InitDebugSetting(podmpriv);
 
 	pHalData->CurrentTxPwrIdx = 18;
diff --git a/hal/rtl8814a/rtl8814a_phycfg.c b/hal/rtl8814a/rtl8814a_phycfg.c
index 30d096a..fa1cd06 100644
--- a/hal/rtl8814a/rtl8814a_phycfg.c
+++ b/hal/rtl8814a/rtl8814a_phycfg.c
@@ -1094,7 +1094,7 @@ PHY_SetRFPowerState8814A(
 #elif (DEV_BUS_TYPE == RT_SDIO_INTERFACE)
 	bResult = phy_SetRFPowerState_8814Sdio(Adapter, eRFPowerState);
 #endif
-
+		
 	RT_TRACE(COMP_RF, DBG_LOUD, ("<--------- PHY_SetRFPowerState8814(): bResult(%d)\n", bResult));
 
 	return bResult;
@@ -1230,18 +1230,17 @@ PHY_GetTxPowerIndex8814A(
 		tic->ebias = 0;
 	}
 
-	phy_TxPwrAdjInPercentage(pAdapter, (u8 *)&txPower);
 	if(txPower > MAX_POWER_INDEX)
 		txPower = MAX_POWER_INDEX;
 
-	//if (Adapter->registrypriv.mp_mode==0 &&
+	//if (Adapter->registrypriv.mp_mode==0 && 
 		//(pHalData->bautoload_fail_flag || pHalData->EfuseMap[EFUSE_INIT_MAP][EEPROM_TX_PWR_INX_JAGUAR] == 0xFF))
 		//txPower = 0x12;
 
 	/*RTW_INFO("Final Tx Power(RF-%c, Channel: %d) = %d(0x%X)\n", ((RFPath==0)?'A':(RFPath==1)?'B':(RFPath==2)?'C':'D'), Channel,
 		txPower, txPower);*/
 
-	return (u8) txPower;
+	return (u8) txPower;	
 }
 
 
@@ -1249,7 +1248,7 @@ VOID
 PHY_SetTxPowerIndex_8814A(
 	IN	PADAPTER			Adapter,
 	IN	u32				PowerIndex,
-	IN	enum rf_path				RFPath,
+	IN	enum rf_path				RFPath,	
 	IN	u8				Rate
 	)
 {
diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index 09ce5f7..7aae542 100644
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -3939,22 +3939,43 @@ int value;
 	value = dbm;
 #endif
 
-if (value < 0) {
+if(value < 0)
 	value = 0;
-}
-if (value > 40) {
+if(value > 40)
 	value = 40;
-}
-	if (type == NL80211_TX_POWER_FIXED) {
-		pHalData->CurrentTxPwrIdx = value;
-		rtw_hal_set_tx_power_level(padapter, pHalData->current_channel);
-	} else {
 
+if(type == NL80211_TX_POWER_FIXED) {
+	pHalData->CurrentTxPwrIdx = value;
+	rtw_hal_set_tx_power_level(padapter, pHalData->current_channel);
+} else
 	return -EOPNOTSUPP;
 
-	}
-		return -EOPNOTSUPP;
+#if 0
+	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+	int ret;
 
+	switch (type) {
+	case NL80211_TX_POWER_AUTOMATIC:
+		return 0;
+	case NL80211_TX_POWER_FIXED:
+		if (mbm < 0 || (mbm % 100))
+			return -EOPNOTSUPP;
+
+		if (!test_bit(IWM_STATUS_READY, &iwm->status))
+			return 0;
+
+		ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
+					      CFG_TX_PWR_LIMIT_USR,
+					      MBM_TO_DBM(mbm) * 2);
+		if (ret < 0)
+			return ret;
+
+		return iwm_tx_power_trigger(iwm);
+	default:
+		IWM_ERR(iwm, "Unsupported power type: %d\n", type);
+		return -EOPNOTSUPP;
+	}
+#endif
 	RTW_INFO("%s\n", __func__);
 	return 0;
 }
@@ -5710,48 +5731,104 @@ static int	cfg80211_rtw_set_channel(struct wiphy *wiphy
 	return 0;
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
-/* TODO: 160 MHz bandwidth */
-static int	cfg80211_rtw_set_monitor_channel(struct wiphy *wiphy, struct cfg80211_chan_def *chandef)
+static int cfg80211_rtw_set_monitor_channel(struct wiphy *wiphy
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
+	, struct cfg80211_chan_def *chandef
+#else
+	, struct ieee80211_channel *chan
+	, enum nl80211_channel_type channel_type
+#endif
+)
 {
-	int chan_target = (u8) ieee80211_frequency_to_channel(chandef->chan->center_freq);
-	int chan_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
-	int chan_width = CHANNEL_WIDTH_20;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
+	struct ieee80211_channel *chan = chandef->chan;
+#endif
 
 	_adapter *padapter = wiphy_to_adapter(wiphy);
+	int target_channal = chan->hw_value;
+	int target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+	int target_width = CHANNEL_WIDTH_20;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
+#ifdef CONFIG_DEBUG_CFG80211
+	RTW_INFO("center_freq %u Mhz ch %u width %u freq1 %u freq2 %u\n"
+		, chan->center_freq
+		, chan->hw_value
+		, chandef->width
+		, chandef->center_freq1
+		, chandef->center_freq2);
+#endif /* CONFIG_DEBUG_CFG80211 */
 
 	switch (chandef->width) {
 	case NL80211_CHAN_WIDTH_20_NOHT:
 	case NL80211_CHAN_WIDTH_20:
-		chan_width = CHANNEL_WIDTH_20;
-		chan_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+		target_width = CHANNEL_WIDTH_20;
+		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 		break;
 	case NL80211_CHAN_WIDTH_40:
-		chan_width = CHANNEL_WIDTH_40;
-		if (chandef->center_freq1 > chandef->chan->center_freq)
-			chan_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
+		target_width = CHANNEL_WIDTH_40;
+		if (chandef->center_freq1 > chan->center_freq)
+			target_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 		else
-			chan_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
+			target_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 		break;
 	case NL80211_CHAN_WIDTH_80:
-		chan_width = CHANNEL_WIDTH_80;
-		if (chandef->center_freq1 > chandef->chan->center_freq)
-			chan_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
-		else
-			chan_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
+		target_width = CHANNEL_WIDTH_80;
+		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 		break;
+	case NL80211_CHAN_WIDTH_80P80:
+		target_width = CHANNEL_WIDTH_80_80;
+		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+		break;
+	case NL80211_CHAN_WIDTH_160:
+		target_width = CHANNEL_WIDTH_160;
+		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+		break;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
+	case NL80211_CHAN_WIDTH_5:
+	case NL80211_CHAN_WIDTH_10:
+#endif
 	default:
-		chan_width = CHANNEL_WIDTH_20;
-		chan_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+		target_width = CHANNEL_WIDTH_20;
+		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 		break;
 	}
+#else
+#ifdef CONFIG_DEBUG_CFG80211
+	RTW_INFO("center_freq %u Mhz ch %u channel_type %u\n"
+		, chan->center_freq
+		, chan->hw_value
+		, channel_type);
+#endif /* CONFIG_DEBUG_CFG80211 */
+
+	switch (channel_type) {
+	case NL80211_CHAN_NO_HT:
+	case NL80211_CHAN_HT20:
+		target_width = CHANNEL_WIDTH_20;
+		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+		break;
+	case NL80211_CHAN_HT40MINUS:
+		target_width = CHANNEL_WIDTH_40;
+		target_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
+		break;
+	case NL80211_CHAN_HT40PLUS:
+		target_width = CHANNEL_WIDTH_40;
+		target_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
+		break;
+	default:
+		target_width = CHANNEL_WIDTH_20;
+		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+		break;
+	}
+#endif
+	RTW_INFO(FUNC_ADPT_FMT" ch:%d bw:%d, offset:%d\n"
+		, FUNC_ADPT_ARG(padapter), target_channal, target_width, target_offset);
+
+	rtw_set_chbw_cmd(padapter, target_channal, target_width, target_offset, RTW_CMDF_WAIT_ACK);
 
-	set_channel_bwmode(padapter, chan_target, chan_offset, chan_width);
-	RTW_INFO("%s : %d %d %d\n", __func__, chan_target, chan_offset, chan_width);
 	return 0;
 }
-#endif
-
 
 static int	cfg80211_rtw_auth(struct wiphy *wiphy, struct net_device *ndev,
 		struct cfg80211_auth_request *req)
@@ -9458,9 +9535,6 @@ static struct cfg80211_ops rtw_cfg80211_ops = {
 	.set_pmksa = cfg80211_rtw_set_pmksa,
 	.del_pmksa = cfg80211_rtw_del_pmksa,
 	.flush_pmksa = cfg80211_rtw_flush_pmksa,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
-	.set_monitor_channel = cfg80211_rtw_set_monitor_channel,
-#endif
 
 #ifdef CONFIG_AP_MODE
 	.add_virtual_intf = cfg80211_rtw_add_virtual_intf,
diff --git a/os_dep/linux/ioctl_linux.c b/os_dep/linux/ioctl_linux.c
index 9c4ba08..3ff1564 100644
--- a/os_dep/linux/ioctl_linux.c
+++ b/os_dep/linux/ioctl_linux.c
@@ -6942,7 +6942,7 @@ out:
 static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
 {
 	int ret = 0;
-	u32 wep_key_idx, wep_key_len, wep_total_len = 0;
+	u32 wep_key_idx, wep_key_len, wep_total_len;
 	NDIS_802_11_WEP	*pwep = NULL;
 	struct sta_info *psta = NULL, *pbcmc_sta = NULL;
 	_adapter *padapter = (_adapter *)rtw_netdev_priv(dev);
@@ -12355,9 +12355,8 @@ static struct iw_statistics *rtw_get_wireless_stats(struct net_device *dev)
 }
 #endif
 
-#if defined(CONFIG_WIRELESS_EXT) && !defined(CONFIG_CFG80211_WEXT)
-struct iw_handler_def rtw_handlers_def =
-{
+#ifdef CONFIG_WIRELESS_EXT
+struct iw_handler_def rtw_handlers_def = {
 	.standard = rtw_handlers,
 	.num_standard = sizeof(rtw_handlers) / sizeof(iw_handler),
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 33)) || defined(CONFIG_WEXT_PRIV)
diff --git a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
index 865f5c1..36e282d 100644
--- a/os_dep/linux/os_intfs.c
+++ b/os_dep/linux/os_intfs.c
@@ -1531,7 +1531,7 @@ struct net_device *rtw_init_netdev(_adapter *old_padapter)
 	/* pnetdev->tx_timeout = NULL; */
 	pnetdev->watchdog_timeo = HZ * 3; /* 3 second timeout */
 
-#if defined(CONFIG_WIRELESS_EXT) && !defined(CONFIG_CFG80211_WEXT)
+#ifdef CONFIG_WIRELESS_EXT
 	pnetdev->wireless_handlers = (struct iw_handler_def *)&rtw_handlers_def;
 #endif
 
@@ -2650,8 +2650,8 @@ static int netdev_vir_if_close(struct net_device *pnetdev)
 #endif
 
 #ifdef CONFIG_IOCTL_CFG80211
-	padapter->rtw_wdev->iftype = NL80211_IFTYPE_MONITOR;
-	padapter->rtw_wdev->current_bss = NULL;
+	wdev->iftype = NL80211_IFTYPE_MONITOR;
+	wdev->current_bss = NULL;
 	rtw_scan_abort(padapter);
 	rtw_cfg80211_wait_scan_req_empty(padapter, 200);
 	adapter_wdev_data(padapter)->bandroid_scan = _FALSE;