-XBT_PRIVATE int MC_request_depend(smx_simcall_t req1, smx_simcall_t req2);
-XBT_PRIVATE char* MC_request_to_string(smx_simcall_t req, int value, e_mc_request_type_t type);
-XBT_PRIVATE unsigned int MC_request_testany_fail(smx_simcall_t req);
-/* XBT_PRIVATE int MC_waitany_is_enabled_by_comm(smx_req_t req, unsigned int comm);*/
-XBT_PRIVATE int MC_request_is_visible(smx_simcall_t req);
-
-/** Can this requests can be executed.
- *
- * Most requests are always enabled but WAIT and WAITANY
- * are not always enabled: a WAIT where the communication does not
- * have both a source and a destination yet is not enabled
- * (unless timeout is enabled in the wait and enabeld in SimGridMC).
- */
-XBT_PRIVATE int MC_request_is_enabled(smx_simcall_t req);
-XBT_PRIVATE int MC_request_is_enabled_by_idx(smx_simcall_t req, unsigned int idx);