1  typedef struct _xmlDict xmlDict;
       2  struct _xmlDoc {
       3    struct _xmlDict *dict;
       4  };
       5  void xmlHashCreateDict (int, xmlDict *);
       6  void xmlAddEntity(struct _xmlDoc *a) {
       7    xmlDict * dict = a->dict;
       8    xmlHashCreateDict(0, dict);
       9  }
      10