Function winapi::um::winhttp::WinHttpGetProxyForUrlEx

pub unsafe extern "system" fn WinHttpGetProxyForUrlEx(
    hResolver: HINTERNET, 
    pcwszUrl: PCWSTR, 
    pAutoProxyOptions: *mut WINHTTP_AUTOPROXY_OPTIONS, 
    pContext: DWORD_PTR
) -> DWORD