code: def _type_check_pointers(utype):
      
      result = []
      for mname, member in utype.members.items():
          if ("pointer" in member.modifiers and member.D > 0 and
              (member.default is None or "null" not in member.default)):
              result.append(member)
  
      return result
docs: Checks the user-derived type for non-nullified pointer array declarations
      in its base definition.
  
      Returns (list of offending members).