diff --git a/tdu_generic.go b/tdu_generic.go
index aa89680..26f6d4a 100644
--- a/tdu_generic.go
+++ b/tdu_generic.go
@@ -20,10 +20,10 @@ import (
 	"fmt"
 )
 
-func osInit() bool {
-	return true
+func osInit() (bool, interface{}) {
+	return true, nil
 }
-func osEnd() bool {
+func osEnd(sys interface{}) bool {
 	return true
 }
 
@@ -32,7 +32,7 @@ func getTtyWidth(sc *s_scan) int {
 	return 80
 }
 
-func initTty(sc *sc_scan) {} // OS Specific
+func initTty(sc *s_scan) {} // OS Specific
 
 func printAlert(sc *s_scan, msg string) {
 	fmt.Printf(msg)