XBT_PRIVATE smx_mailbox_t SIMIX_mbox_create(const char *name);
XBT_PRIVATE smx_mailbox_t SIMIX_mbox_get_by_name(const char *name);
XBT_PRIVATE void SIMIX_mbox_remove(smx_mailbox_t mbox, smx_synchro_t comm);
-XBT_PRIVATE int SIMIX_mbox_comm_count_by_host(smx_mailbox_t mbox, sg_host_t host);
XBT_PRIVATE smx_synchro_t SIMIX_mbox_get_head(smx_mailbox_t mbox);
XBT_PRIVATE void SIMIX_mbox_set_receiver(smx_mailbox_t mbox, smx_process_t proc);
XBT_PRIVATE smx_process_t SIMIX_mbox_get_receiver(smx_mailbox_t mbox);