diff --git a/src/db.h b/src/db.h
index ae172ac..334e59b 100644
--- a/src/db.h
+++ b/src/db.h
@@ -5,3 +5,5 @@
 
 #endif
 
+extern void write_linkedlist_to_csv(llist* head, const char* filename)
+extern void write_csv_to_llist(const char* filename)
\ No newline at end of file