diff -r f859d567f94e -r 42b62867574d master/slave_config.h
--- a/master/slave_config.h	Fri Jan 22 10:11:58 2016 +0100
+++ b/master/slave_config.h	Fri Jan 22 13:09:43 2016 +0100
@@ -130,6 +130,8 @@
     uint16_t watchdog_intervals; /**< Process data watchdog intervals (see
                                    spec. reg. 0x0420). */
 
+    uint8_t allow_overlapping_pdos;	/**< Allow input PDOs use the same frame space
+                                      as output PDOs. */
     ec_slave_t *slave; /**< Slave pointer. This is \a NULL, if the slave is
                          offline. */
 
@@ -172,6 +174,7 @@
         unsigned int);
 ec_voe_handler_t *ec_slave_config_find_voe_handler(ec_slave_config_t *,
         unsigned int);
+void ec_slave_config_expire_disconnected_requests(ec_slave_config_t *);
 
 ec_sdo_request_t *ecrt_slave_config_create_sdo_request_err(
         ec_slave_config_t *, uint16_t, uint8_t, size_t);