int dict_close (Dict dict);
int dict_insert (Dict dict, const Dict_char *p, int userlen, void *userinfo);
char *dict_lookup (Dict dict, Dict_char *p);
int dict_close (Dict dict);
int dict_insert (Dict dict, const Dict_char *p, int userlen, void *userinfo);
char *dict_lookup (Dict dict, Dict_char *p);