@@ -0,0 +1,20 @@
+{ %version=1.1 }
+
+type oo2 = pchar;
+var a: oo2;
+function len(a:pchar):longint;
+begin
+ len:=-1;
+end;
+ a:='0123456789';
+ if length(a)<>10 then
+ begin
+ writeln('Error!');
+ halt(1);
+ end;
+end.