+/* Default port numbers.
+ *
+ * OVSDB_OLD_PORT defines the original port number used by OVS.
+ * OVSDB_PORT defines the official port number assigned by IANA. By
+ * default, we still uses OVSDB_OLD_PORT, but we present a warning that
+ * that will change. */
+#define OVSDB_OLD_PORT 6632
+#define OVSDB_PORT 6640
+
+int jsonrpc_stream_open(const char *name, struct stream **, uint8_t dscp);
+int jsonrpc_pstream_open(const char *name, struct pstream **, uint8_t dscp);
+