1  struct xobject {
       2         char type;
       3  };
       4  extern struct xobject *t1_Xform ( struct xobject *obj);
       5  struct xobject *
       6  t1_Xform(struct xobject *obj)
       7  {
       8    register struct font *F = (struct font *) obj;
       9    return((struct xobject*)F);
      10  }