-XBT_PUBLIC unsigned int simcall_comm_waitany(smx_activity_t* comms, size_t count, double timeout);
-XBT_PUBLIC void simcall_comm_wait(smx_activity_t comm, double timeout);
+XBT_PUBLIC unsigned int simcall_comm_waitany(smx_activity_t comms[], size_t count, double timeout);
+XBT_PUBLIC void simcall_comm_wait(const smx_activity_t& comm, double timeout);