Function harfbuzz_sys::hb_shape_plan_set_user_data

pub unsafe extern fn hb_shape_plan_set_user_data(shape_plan: *mut hb_shape_plan_t, key: *mut hb_user_data_key_t, data: *mut c_void, destroy: hb_destroy_func_t, replace: hb_bool_t) -> hb_bool_t