-smx_rdv_t SIMIX_rdv_create(const char *name);
-void SIMIX_rdv_destroy(smx_rdv_t rdv);
-smx_rdv_t SIMIX_rdv_get_by_name(const char *name);
-void SIMIX_rdv_remove(smx_rdv_t rdv, smx_synchro_t comm);
-int SIMIX_rdv_comm_count_by_host(smx_rdv_t rdv, smx_host_t host);
-smx_synchro_t SIMIX_rdv_get_head(smx_rdv_t rdv);
-void SIMIX_rdv_set_receiver(smx_rdv_t rdv, smx_process_t proc);
-smx_process_t SIMIX_rdv_get_receiver(smx_rdv_t rdv);
-smx_synchro_t SIMIX_comm_isend(smx_process_t src_proc, smx_rdv_t rdv,
- double task_size, double rate,
- void *src_buff, size_t src_buff_size,
- int (*match_fun)(void *, void *, smx_synchro_t),
- void (*clean_fun)(void *), // used to free the synchro in case of problem after a detached send
- void (*copy_data_fun)(smx_synchro_t, void*, size_t),
- void *data,
- int detached);
-smx_synchro_t SIMIX_comm_irecv(smx_process_t dst_proc, smx_rdv_t rdv,
+XBT_PRIVATE void SIMIX_mbox_set_receiver(smx_mailbox_t mbox, smx_process_t proc);
+XBT_PRIVATE smx_synchro_t SIMIX_comm_irecv(smx_process_t dst_proc, smx_mailbox_t mbox,