-void SIMIX_pre_comm_wait(smx_req_t req, smx_action_t action, double timeout, int idx);
-void SIMIX_pre_comm_waitany(smx_req_t req, int idx);
+void SIMIX_pre_comm_wait(smx_simcall_t simcall, smx_action_t action, double timeout, int idx);
+smx_action_t SIMIX_comm_iprobe(smx_process_t dst_proc, smx_rdv_t rdv, int src,
+ int tag, int (*match_fun)(void *, void *, smx_action_t), void *data);
+void SIMIX_pre_comm_waitany(smx_simcall_t simcall, int idx);