Function WinHttpGetProxySettingsEx

pub unsafe fn WinHttpGetProxySettingsEx(
    hresolver: *const c_void,
    proxysettingstype: WINHTTP_PROXY_SETTINGS_TYPE,
    pproxysettingsparam: Option<*const WINHTTP_PROXY_SETTINGS_PARAM>,
    pcontext: Option<usize>,
) -> u32