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unsigned int hb_ot_meta_get_entry_tags (hb_face_t *face,unsigned int start_offset,unsigned int *entries_count,hb_ot_meta_tag_t *entries);
Fetches all available feature types.
| face | a face object | |
| start_offset | iteration's start offset | |
| entries_count | buffer size as input, filled size as output. | [inout][optional] | 
| entries | entries tags buffer. | [out caller-allocates][array length=entries_count] | 
Since: 2.6.0
hb_blob_t * hb_ot_meta_reference_entry (hb_face_t *face,hb_ot_meta_tag_t meta_tag);
It fetches metadata entry of a given tag from a font.
Since: 2.6.0
Known metadata tags from https://docs.microsoft.com/en-us/typography/opentype/spec/meta
| Design languages. Text, using only Basic Latin (ASCII) characters. Indicates languages and/or scripts for the user audiences that the font was primarily designed for. | ||
| Supported languages. Text, using only Basic Latin (ASCII) characters. Indicates languages and/or scripts that the font is declared to be capable of supporting. | 
Since: 2.6.0