pub unsafe extern "system" fn Dhcpv6RequestParams(
    forcenewinform: BOOL,
    reserved: *mut c_void,
    adaptername: PCWSTR,
    classid: *mut DHCPV6CAPI_CLASSID,
    recdparams: DHCPV6CAPI_PARAMS_ARRAY,
    buffer: *mut u8,
    psize: *mut u32,
) -> u32