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+====== SDK Script udpserver.are ======
+<code c udpserver.are>
+/* DESC: This script implements an UDP server which is able to receive messages.
+ * Copyright (C) 2012 NetModule AG, Switzerland
+ */
+void usage()
+{
+    printf("usage: udpserver.are <port>\n");
+    exit(1);
+}
+if (argc < 2) {
+    usage();
+}
+PORT = (int) argv[1];
+sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+if (sock < 0) {
+    printf("Unable to open socket\n");
+    exit(1);
+}
+/* bind socket to 1st LAN interface */
+addr = nb_ifc_address("LAN1");
+ret = bind(sock, PORT, addr);
+if(ret == -1) {
+    printf("Unable to bind to port: %d\n", PORT);
+    close(sock);
+    exit(1);
+}
+printf("Listening for messages on port %d\n", PORT);
+while (1) {
+    msg = recvfrom(sock);
+    if (left(msg, 4) == "quit") {
+        printf("Received quit, terminating\n");
+        break;
+    } else if (msg != "") {
+        printf("Received message '%s'\n", msg);
+    }
+}
+close(sock);
+exit(0);
+</code>