Synopsis

                    SoupProxyResolver;
void                (*SoupProxyResolverCallback)        (SoupProxyResolver *,
                                                         SoupMessage *,
                                                         guint ,
                                                         SoupAddress *,
                                                         gpointer );
void                soup_proxy_resolver_get_proxy_async (SoupProxyResolver *proxy_resolver,
                                                         SoupMessage *msg,
                                                         GMainContext *async_context,
                                                         GCancellable *cancellable,
                                                         SoupProxyResolverCallback callback,
                                                         gpointer user_data);
guint               soup_proxy_resolver_get_proxy_sync  (SoupProxyResolver *proxy_resolver,
                                                         SoupMessage *msg,
                                                         GCancellable *cancellable,
                                                         SoupAddress **addr);