XBT_PUBLIC(void *) SIMIX_communication_get_data(smx_comm_t comm);
/*****Networking*****/
+XBT_PUBLIC(void) SIMIX_network_set_copy_data_callback(void (*callback)(smx_comm_t, size_t));
+XBT_PUBLIC(void) SIMIX_network_copy_pointer_callback(smx_comm_t comm, size_t buff_size);
+XBT_PUBLIC(void) SIMIX_network_copy_buffer_callback(smx_comm_t comm, size_t buff_size);
XBT_PUBLIC(void) SIMIX_network_send(smx_rdv_t rdv, double task_size, double rate,
double timeout, void *src_buff,
size_t src_buff_size, smx_comm_t *comm, void *data);