-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_activity_t comm);
-XBT_PRIVATE void SIMIX_mbox_push(smx_mailbox_t mbox, smx_activity_t synchro);
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-XBT_PRIVATE void SIMIX_mbox_set_receiver(smx_mailbox_t mbox, smx_actor_t proc);
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