var classname = "JailbreakDetection";
    var functionname= "isJailbroken";
    var hook = ObjC.classes[classname][functionname];
    Interceptor.attach(hook.implementation, {
          onLeave: function(returnvalue) {
            console.log("ClassName: " + classname);
            console.log("FunctionName: " + functionname);
            console.log("\tReturn Type: " + typeof returnvalue);
            console.log("\tReturn Value: " + returnvalue);
	   newretvalue = ptr("0x0"); 
	   returnvalue.replace(newretvalue); 
    }});

