XBT_PUBLIC(void *) SIMIX_req_comm_get_dst_data(smx_action_t comm);
XBT_PUBLIC(smx_process_t) SIMIX_req_comm_get_src_proc(smx_action_t comm);
XBT_PUBLIC(smx_process_t) SIMIX_req_comm_get_dst_proc(smx_action_t comm);
-XBT_PUBLIC(void) SIMIX_req_comm_set_copy_data_callback(void (*callback)(smx_action_t,size_t));
-XBT_PUBLIC(void) SIMIX_req_comm_copy_pointer_callback(smx_action_t comm, size_t buff_size);
-XBT_PUBLIC(void) SIMIX_req_comm_copy_buffer_callback(smx_action_t comm, size_t buff_size);
#ifdef HAVE_LATENCY_BOUND_TRACKING
XBT_PUBLIC(int) SIMIX_req_comm_is_latency_bounded(smx_action_t comm);