void goto_url(const String url,  int  no_events);
 void clone_argo(void);
  int  W3Aprocess(W3ADocumentInfo *doc, int method, const char
                       *data, size_t nbytes);
 int W3AresolveURN(const char *URN, char ***URLs);
 void W3Aevent(long id, long eventtype, void *param);
  Widget  W3Atoplevel(void);