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- #define LINESIZE 256 /* Length of local editing buffer */
-
-
- /* Telnet command characters */
- #define IAC 255 /* Interpret as command */
- #define WILL 251
- #define WONT 252
- #define DO 253
- #define DONT 254
-
- /* Telnet options */
- #define TN_TRANSMIT_BINARY 0
- #define TN_ECHO 1
- #define TN_SUPPRESS_GA 3
- #define TN_STATUS 5
- #define TN_TIMING_MARK 6
- #define NOPTIONS 6
-
- /* Telnet protocol control block */
- struct telnet {
- struct tcb *tcb;
- char state;
-
- #define TS_DATA 0 /* Normal data state */
- #define TS_IAC 1 /* Received IAC */
- #define TS_WILL 2 /* Received IAC-WILL */
- #define TS_WONT 3 /* Received IAC-WONT */
- #define TS_DO 4 /* Received IAC-DO */
- #define TS_DONT 5 /* Received IAC-DONT */
-
- char local[NOPTIONS]; /* Local option settings */
- char remote[NOPTIONS]; /* Remote option settings */
-
- struct session *session; /* Pointer to session structure */
- };
- #define NULLTN (struct telnet *)0
-
- extern int refuse_echo;
-
- /* In TELNET */
- void start_telnet(void);
- void unix_send_tel(struct session *, char *, int16);
- void send_tel(struct session *, char *, int16);
- void tel_input(struct telnet *, struct mbuf *);
- void rcv_char(struct tcb *, int16);
- void tn_tx(struct tcb *, int16);
- void t_state(struct tcb *, char, char);
-
-