diff --git a/src_main/io_devices/piethernet.cpp b/src_main/io_devices/piethernet.cpp
index 3526a720..bb93ae45 100755
--- a/src_main/io_devices/piethernet.cpp
+++ b/src_main/io_devices/piethernet.cpp
@@ -1125,21 +1125,22 @@ PIEthernet::InterfaceList PIEthernet::interfaces() {
 	}
 	delete ifc.ifc_buf;
 #  else
-	struct ifaddrs * ret;
+	struct ifaddrs * ret, * cif = 0;
 	int s = ::socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
 	if (getifaddrs(&ret) == 0) {
-		while (ret != 0) {
-			if (ret->ifa_addr == 0) {
-				ret = ret->ifa_next;
+		cif = ret;
+		while (cif != 0) {
+			if (cif->ifa_addr == 0) {
+				cif = cif->ifa_next;
 				continue;
 			}
-			if (ret->ifa_addr->sa_family != AF_INET) {
-				ret = ret->ifa_next;
+			if (cif->ifa_addr->sa_family != AF_INET) {
+				cif = cif->ifa_next;
 				continue;
 			}
-			ci.name = PIString(ret->ifa_name);
-			ci.address = getSockAddr(ret->ifa_addr);
-			ci.netmask = getSockAddr(ret->ifa_netmask);
+			ci.name = PIString(cif->ifa_name);
+			ci.address = getSockAddr(cif->ifa_addr);
+			ci.netmask = getSockAddr(cif->ifa_netmask);
 			ci.mac.clear();
 #    ifdef QNX
 #      ifndef BLACKBERRY
@@ -1166,7 +1167,7 @@ PIEthernet::InterfaceList PIEthernet::interfaces() {
 #      else
 			if (s != -1) {
 				struct ifreq ir;
-				strcpy(ir.ifr_name, ret->ifa_name);
+				strcpy(ir.ifr_name, cif->ifa_name);
 				if (ioctl(s, SIOCGIFHWADDR, &ir) == 0) {
 					ci.mac = macFromBytes(PIByteArray(ir.ifr_hwaddr.sa_data, 6));
 					ci.mtu = ir.ifr_mtu;
@@ -1175,21 +1176,21 @@ PIEthernet::InterfaceList PIEthernet::interfaces() {
 #      endif
 #    endif
 			ci.flags = 0;
-			if (ret->ifa_flags & IFF_UP) ci.flags |= PIEthernet::ifActive;
-			if (ret->ifa_flags & IFF_RUNNING) ci.flags |= PIEthernet::ifRunning;
-			if (ret->ifa_flags & IFF_BROADCAST) ci.flags |= PIEthernet::ifBroadcast;
-			if (ret->ifa_flags & IFF_MULTICAST) ci.flags |= PIEthernet::ifMulticast;
-			if (ret->ifa_flags & IFF_LOOPBACK) ci.flags |= PIEthernet::ifLoopback;
-			if (ret->ifa_flags & IFF_POINTOPOINT) ci.flags |= PIEthernet::ifPTP;
+			if (cif->ifa_flags & IFF_UP) ci.flags |= PIEthernet::ifActive;
+			if (cif->ifa_flags & IFF_RUNNING) ci.flags |= PIEthernet::ifRunning;
+			if (cif->ifa_flags & IFF_BROADCAST) ci.flags |= PIEthernet::ifBroadcast;
+			if (cif->ifa_flags & IFF_MULTICAST) ci.flags |= PIEthernet::ifMulticast;
+			if (cif->ifa_flags & IFF_LOOPBACK) ci.flags |= PIEthernet::ifLoopback;
+			if (cif->ifa_flags & IFF_POINTOPOINT) ci.flags |= PIEthernet::ifPTP;
 			ci.broadcast.clear();
 			ci.ptp.clear();
 			if (ci.flags[PIEthernet::ifBroadcast])
-				ci.broadcast = getSockAddr(ret->ifa_broadaddr);
+				ci.broadcast = getSockAddr(cif->ifa_broadaddr);
 			if (ci.flags[PIEthernet::ifPTP])
-				ci.ptp = getSockAddr(ret->ifa_dstaddr);
-			ci.index = if_nametoindex(ret->ifa_name);
+				ci.ptp = getSockAddr(cif->ifa_dstaddr);
+			ci.index = if_nametoindex(cif->ifa_name);
 			il << ci;
-			ret = ret->ifa_next;
+			cif = cif->ifa_next;
 		}
 		freeifaddrs(ret);
 	} else