1006 struct LangSys  struct
1008   unsigned int get_feature_count () const  in get_feature_count()
1010   hb_tag_t get_feature_index (unsigned int i) const  in get_feature_index()
1012   unsigned int get_feature_indexes (unsigned int start_offset,  in get_feature_indexes()
1016   void add_feature_indexes_to (hb_set_t *feature_indexes) const  in add_feature_indexes_to()
1019   bool has_required_feature () const { return reqFeatureIndex != 0xFFFFu; }  in has_required_feature()
1020   unsigned int get_required_feature_index () const  in get_required_feature_index()
1027   LangSys* copy (hb_serialize_context_t *c) const  in copy()
1033   bool compare (const LangSys& o, const hb_map_t *feature_index_map) const  in compare()
1062   void collect_features (hb_prune_langsys_context_t *c) const  in collect_features()
1075   bool subset (hb_subset_context_t        *c,  in subset()
1100   bool sanitize (hb_sanitize_context_t *c,  in sanitize()
1107   Offset16	lookupOrderZ;	/* = Null (reserved for an offset to a
1109   HBUINT16	reqFeatureIndex;/* Index of a feature required for this
1112   IndexArray	featureIndex;	/* Array of indices into the FeatureList */