pub unsafe extern "system" fn DnsServiceConstructInstance(
    pservicename: PCWSTR,
    phostname: PCWSTR,
    pip4: *const u32,
    pip6: *const IP6_ADDRESS,
    wport: u16,
    wpriority: u16,
    wweight: u16,
    dwpropertiescount: u32,
    keys: *const PCWSTR,
    values: *const PCWSTR
) -> *mut DNS_SERVICE_INSTANCE