-XBT_PRIVATE smx_synchro_t SIMIX_comm_iprobe(smx_process_t dst_proc, smx_mailbox_t mbox, int type, int src,
- int tag, int (*match_fun)(void *, void *, smx_synchro_t), void *data);
+XBT_PRIVATE smx_activity_t SIMIX_comm_iprobe(smx_actor_t dst_proc, smx_mailbox_t mbox, int type, int src,
+ int tag, int (*match_fun)(void *, void *, smx_activity_t), void *data);