Function harfbuzz_sys::hb_ot_var_named_instance_get_design_coords

pub unsafe extern "C" fn hb_ot_var_named_instance_get_design_coords(
    face: *mut hb_face_t, 
    instance_index: c_uint, 
    coords_length: *mut c_uint, 
    coords: *mut c_float
) -> c_uint