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telnet.h
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C/C++ Source or Header
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1991-05-10
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1KB
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52 lines
/* @(#) $Header: telnet.h,v 1.5 91/05/09 07:39:04 deyke Exp $ */
#ifndef _TELNET_H
#define _TELNET_H
#ifndef _SESSION_H
#include "session.h"
#endif
#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+1]; /* Local option settings */
char remote[NOPTIONS+1]; /* Remote option settings */
struct session *session; /* Pointer to session structure */
};
#define NULLTN (struct telnet *)0
extern int Refuse_echo;
extern int Tn_cr_mode;
/* In telnet.c: */
void rcv_char __ARGS((struct tcb *tcb, int cnt));
#endif /* _TELNET_H */