Function harfbuzz_sys::hb_aat_layout_get_feature_types

pub unsafe extern "C" fn hb_aat_layout_get_feature_types(
    face: *mut hb_face_t, 
    start_offset: c_uint, 
    feature_count: *mut c_uint, 
    features: *mut hb_aat_layout_feature_type_t
) -> c_uint