extern void uping_read(struct UPing* pptr);
extern void uping_end(struct UPing* pptr);
extern void uping_cancel(struct Client *sptr, struct Client *acptr);
-extern void uping_echo(void);
extern struct UPing* uping_begin(void);
extern int uping_server(struct Client* sptr, struct ConfItem* aconf, int port, int count);