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/* @(#)telnet.h 1.7 88/08/19 SMI; from UCB 5.1 5/30/85 */
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
/*
* Definitions for the TELNET protocol.
*/
#ifndef _arpa_telnet_h
#define _arpa_telnet_h
#define IAC 255 /* interpret as command: */
#define DONT 254 /* you are not to use option */
#define DO 253 /* please, you use option */
#define WONT 252 /* I won't use option */
#define WILL 251 /* I will use option */
#define SB 250 /* interpret as subnegotiation */
#define GA 249 /* you may reverse the line */
#define EL 248 /* erase the current line */
#define EC 247 /* erase the current character */
#define AYT 246 /* are you there */
#define AO 245 /* abort output--but let prog finish */
#define IP 244 /* interrupt process--permanently */
#define BREAK 243 /* break */
#define DM 242 /* data mark--for connect. cleaning */
#define NOP 241 /* nop */
#define SE 240 /* end sub negotiation */
#define EOR 239 /* end of record (transparent mode) */
#define SUSP 237 /* suspend process */
#define xEOF 236 /* end of file */
#define SYNCH 242 /* for telfunc calls */
#ifdef TELCMDS
const char *telcmds[] = {
"EOF", "SUSP", "ABORT", "EOR", "SE", "NOP", "DMARK", "BRK", "IP",
"AO", "AYT", "EC", "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT",
"IAC", 0
};
#endif
#define TELCMD_FIRST xEOF
#define TELCMD_LAST IAC
#define TELCMD_OK(x) ((unsigned int)(x) <= TELCMD_LAST && \
(unsigned int)(x) >= TELCMD_FIRST)
#define TELCMD(x) telcmds[(x)-TELCMD_FIRST]
/* telnet options */
#define TELOPT_BINARY 0 /* 8-bit data path */
#define TELOPT_ECHO 1 /* echo */
#define TELOPT_RCP 2 /* prepare to reconnect */
#define TELOPT_SGA 3 /* suppress go ahead */
#define TELOPT_NAMS 4 /* approximate message size */
#define TELOPT_STATUS 5 /* give status */
#define TELOPT_TM 6 /* timing mark */
#define TELOPT_RCTE 7 /* remote controlled transmission and echo */
#define TELOPT_NAOL 8 /* negotiate about output line width */
#define TELOPT_NAOP 9 /* negotiate about output page size */
#define TELOPT_NAOCRD 10 /* negotiate about CR disposition */
#define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */
#define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */
#define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */
#define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */
#define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */
#define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */
#define TELOPT_XASCII 17 /* extended ascic character set */
#define TELOPT_LOGOUT 18 /* force logout */
#define TELOPT_BM 19 /* byte macro */
#define TELOPT_DET 20 /* data entry terminal */
#define TELOPT_SUPDUP 21 /* supdup protocol */
#define TELOPT_SUPDUPOUTPUT 22 /* supdup output */
#define TELOPT_SNDLOC 23 /* send location */
#define TELOPT_TTYPE 24 /* terminal type */
#define TELOPT_EOR 25 /* end or record */
#define TELOPT_TUID 26 /* TACACS user identification */
#define TELOPT_OUTMRK 27 /* output marking */
#define TELOPT_TTYLOC 28 /* terminal location number */
#define TELOPT_3270REGIME 29 /* 3270 regime */
#define TELOPT_X3PAD 30 /* X.3 PAD */
#define TELOPT_NAWS 31 /* window size */
#define TELOPT_TSPEED 32 /* terminal speed */
#define TELOPT_LFLOW 33 /* remote flow control */
#define TELOPT_LINEMODE 34 /* linemode option */
#define TELOPT_XDISPLOC 35 /* X Display Location */
#define TELOPT_OLD_ENVIRON 36 /* old - Environment variables */
#define TELOPT_AUTHENTICATION 37/* authenticate */
#define TELOPT_ENCRYPT 38 /* encryption option */
#define TELOPT_NEW_ENVIRON 39 /* new - environment variables */
#define TELOPT_TN3270E 40 /* extended 3270 regime */
#define TELOPT_EXOPL 255 /* extended-options-list */
#define NTELOPTS (1+TELOPT_TN3270E)
#ifdef TELOPTS
const char *telopts[NTELOPTS+1] = {
"BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
"STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
"NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
"NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
"DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
"SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
"TACACS UID", "OUTPUT MARKING", "TTYLOC",
"3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",
"LINEMODE", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",
"ENCRYPT", "NEW-ENVIRON", "TN3270E",
0
};
#define TELOPT_FIRST TELOPT_BINARY
#define TELOPT_LAST TELOPT_TN3270E
#define TELOPT_OK(x) ((unsigned int)(x) <= TELOPT_LAST)
#define TELOPT(x) telopts[(x)-TELOPT_FIRST]
#endif
/* sub-option qualifiers */
#define TELQUAL_IS 0 /* option is... */
#define TELQUAL_SEND 1 /* send option */
#endif /*!_arpa_telnet_h*/
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