changed objref to prevent bugs

stackslot.c

@@ -1,14 +1,12 @@
+#ifndef STACKSLOT
+#define STACKSLOT
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include "objref.c"
 
-#ifndef STACKSLOT
-#define STACKSLOT
 typedef int Object;
-typedef struct ObjRef{
-    unsigned int size;
-    unsigned char data[1];
-} *ObjRef;
+
 
 typedef struct {
     bool isObjRef;