-XBT_PUBLIC(void) ns3_initialize(std::string TcpProtocol);
-extern "C" {
-XBT_PUBLIC(void) ns3_simulator(double maxSeconds);
-XBT_PUBLIC(void) ns3_add_link(NetPointNs3* src, NetPointNs3* dst, double bw, double lat);
-XBT_PUBLIC(void) ns3_add_cluster(const char* id, double bw, double lat);
-}
+XBT_PUBLIC void ns3_initialize(std::string TcpProtocol);
+XBT_PUBLIC void ns3_simulator(double max_seconds);
+XBT_PUBLIC void ns3_add_link(NetPointNs3* src, NetPointNs3* dst, double bw, double lat);
+XBT_PUBLIC void ns3_add_cluster(const char* id, double bw, double lat);