-void ltt_event_position_get(LttEventPosition *ep,
- unsigned *block_number, unsigned *index_in_block, LttTracefile ** tf);
+void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf,
+ guint *block, guint *offset, guint64 *tsc);
+
+void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf,
+ guint block, guint offset, guint64 tsc);