-XBT_PUBLIC(void) ns3_initialize(const char* TcpProtocol);
-XBT_PUBLIC(void) ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,simgrid::surf::NetworkNS3Action * action);
-XBT_PUBLIC(void) ns3_simulator(double maxSeconds);
-XBT_PUBLIC(void *) ns3_add_router(const char * id);
-XBT_PUBLIC(void) ns3_add_link(int src, int dst, char * bw,char * lat);
+XBT_PUBLIC(void) ns3_initialize(const char* TcpProtocol);
+XBT_PUBLIC(void)
+ns3_create_flow(sg_host_t src, sg_host_t dst, double start, u_int32_t TotalBytes,
+ simgrid::surf::NetworkNS3Action* action);
+XBT_PUBLIC(void) ns3_simulator(double maxSeconds);
+XBT_PUBLIC(void*) ns3_add_router(const char* id);
+XBT_PUBLIC(void) ns3_add_link(int src, int dst, char* bw, char* lat);