Function QueryOptionalDelayLoadedAPI 

pub unsafe fn QueryOptionalDelayLoadedAPI<P1, P2>(
    hparentmodule: HMODULE,
    lpdllname: P1,
    lpprocname: P2,
    reserved: Option<u32>,
) -> Result<()>
where
    P1: Param<PCSTR>,
    P2: Param<PCSTR>,