pub unsafe fn Dhcpv6RenewPrefix<P0>(
    adaptername: P0,
    pclassid: *mut DHCPV6CAPI_CLASSID,
    prefixleaseinfo: *mut DHCPV6PrefixLeaseInformation,
    pdwtimetowait: *mut u32,
    bvalidateprefix: u32
) -> u32
where P0: IntoParam<PCWSTR>,