Function harfbuzz_sys::hb_ot_tags_to_script_and_language

pub unsafe extern "C" fn hb_ot_tags_to_script_and_language(
    script_tag: hb_tag_t, 
    language_tag: hb_tag_t, 
    script: *mut hb_script_t, 
    language: *mut hb_language_t
)