otLayoutFeatureGetLookups

uint otLayoutFeatureGetLookups(harfbuzz.face.Face face,  harfbuzz.types.Tag tableTag,  uint  featureIndex,  uint  startOffset,  ref  uint[]  lookupIndexes)

Fetches a list of all lookups enumerated for the specified feature, in the specified face's GSUB table or GPOS table. The list returned will begin at the offset provided.

Parameters

`face`	#hb_face_t to work upon
`tableTag`	#HB_OT_TAG_GSUB or #HB_OT_TAG_GPOS
`featureIndex`	The index of the requested feature
`startOffset`	offset of the first lookup to retrieve
`lookupIndexes`	The array of lookup indexes found for the query

Returns

Total number of lookups.