Function windows_sys::Win32::Networking::WinHttp::WinHttpRegisterProxyChangeNotification

pub unsafe extern "system" fn WinHttpRegisterProxyChangeNotification(
    ullflags: u64,
    pfncallback: WINHTTP_PROXY_CHANGE_CALLBACK,
    pvcontext: *const c_void,
    hregistration: *mut *mut c_void
) -> u32