XBT_PUBLIC(smx_mailbox_t) simcall_mbox_create(const char *name);
XBT_PUBLIC(smx_mailbox_t) simcall_mbox_get_by_name(const char *name);
-XBT_PUBLIC(int) simcall_mbox_comm_count_by_host(smx_mailbox_t mbox, sg_host_t host);
XBT_PUBLIC(smx_synchro_t) simcall_mbox_get_head(smx_mailbox_t mbox);
XBT_PUBLIC(smx_process_t) simcall_mbox_get_receiver(smx_mailbox_t mbox);
XBT_PUBLIC(void) simcall_mbox_set_receiver(smx_mailbox_t mbox , smx_process_t process);