added isEqualPrefix to InetAddress

node/InetAddress.hpp

@@ -355,6 +355,16 @@ struct InetAddress : public sockaddr_storage
 	 */
 	InetAddress network() const;
 
+#ifdef ZT_SDK
+	/**
+	 * Test whether this IPv6 prefix matches the prefix of a given IPv6 address
+	 *
+	 * @param addr Address to check
+	 * @return True if this IPv6 prefix matches the prefix of a given IPv6 address
+	 */
+	bool isEqualPrefix(const InetAddress &addr) const;
+#endif
+	
 	/**
 	 * Test whether this IP/netmask contains this address
 	 *