pub unsafe extern "system" fn CoInternetCombineUrl(
    pwzbaseurl: PCWSTR,
    pwzrelativeurl: PCWSTR,
    dwcombineflags: u32,
    pszresult: PWSTR,
    cchresult: u32,
    pcchresult: *mut u32,
    dwreserved: u32
) -> HRESULT