index c4731e559e1..2b21d4d0bfb 100644
--- a/x_/x_sfscript.nss
+++ b/x_/x_sfscript.nss
@@ -577,5 +577,7 @@ int GetResRefErfId(string sResRef);
 int GetResRefErfServers(string sResRef);
 void PrintToStdErr(string sPrint);
 void PrintToStdOut(string sPrint);
 int IsOnSinfarWorld();
 void PrepareToDestroy(object oObject);
+int GetScriptExecuteStackSize();
+int GetScriptNameByExecuteIndex(int nExecuteIndex);