pub unsafe extern "system" fn WinHttpReadProxySettings(
    hsession: *const c_void,
    pcwszconnectionname: PCWSTR,
    ffallbacktodefaultsettings: BOOL,
    fsetautodiscoverfordefaultsettings: BOOL,
    pdwsettingsversion: *mut u32,
    pfdefaultsettingsarereturned: *mut BOOL,
    pwinhttpproxysettings: *mut WINHTTP_PROXY_SETTINGS,
) -> u32