int  initTELNET(char ***protocols, int *nrprotocols);
 int openTELNET(const char *url, int method, int flg, const char *refer);
 int readTELNET(int fd, char *buf, size_t nbytes);
  int  doneTELNET(int fd);
 int peekTELNET(int fd);
 int writeTELNET(int fd, const char *buf, size_t nbytes);
  int  closeTELNET(int fd);
  int  deleteTELNET(const char *url);
  int  infoTELNET(int fd, W3ADocumentInfo *buf);