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* Redistribution and use in source and binary forms, with or without

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* modification, are permitted provided that the following conditions

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* are met:

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* 1. Redistributions of source code must retain the above copyright

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* notice, this list of conditions and the following disclaimer.

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* 2. Redistributions in binary form must reproduce the above copyright

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* notice, this list of conditions and the following disclaimer in the

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* documentation and/or other materials provided with the distribution.

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* 4. Neither the name of the University nor the names of its contributors

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* may be used to endorse or promote products derived from this software

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* without specific prior written permission.

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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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* SUCH DAMAGE.

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* @(#)telnet.h 8.2 (Berkeley) 12/15/93

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#ifndef _ARPA_TELNET_H

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#define _ARPA_TELNET_H 1

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* Definitions for the TELNET protocol.

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#define IAC 255 /* interpret as command: */

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#define DONT 254 /* you are not to use option */

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#define DO 253 /* please, you use option */

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#define WONT 252 /* I won't use option */

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#define WILL 251 /* I will use option */

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#define SB 250 /* interpret as subnegotiation */

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#define GA 249 /* you may reverse the line */

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#define EL 248 /* erase the current line */

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#define EC 247 /* erase the current character */

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#define AYT 246 /* are you there */

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#define AO 245 /* abort output--but let prog finish */

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#define IP 244 /* interrupt process--permanently */

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#define BREAK 243 /* break */

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#define DM 242 /* data mark--for connect. cleaning */

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#define NOP 241 /* nop */

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#define SE 240 /* end sub negotiation */

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#define EOR 239 /* end of record (transparent mode) */

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#define ABORT 238 /* Abort process */

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#define SUSP 237 /* Suspend process */

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#define xEOF 236 /* End of file: EOF is already used... */

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#define SYNCH 242 /* for telfunc calls */

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#ifdef TELCMDS

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char *telcmds[] = {

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"EOF", "SUSP", "ABORT", "EOR",

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"SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",

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"EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0,

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};

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#else

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extern char *telcmds[];

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#endif

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#define TELCMD_FIRST xEOF

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#define TELCMD_LAST IAC

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#define TELCMD_OK(x) ((unsigned int)(x) <= TELCMD_LAST && \

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(unsigned int)(x) >= TELCMD_FIRST)

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#define TELCMD(x) telcmds[(x)-TELCMD_FIRST]

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/* telnet options */

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#define TELOPT_BINARY 0 /* 8-bit data path */

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#define TELOPT_ECHO 1 /* echo */

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#define TELOPT_RCP 2 /* prepare to reconnect */

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#define TELOPT_SGA 3 /* suppress go ahead */

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#define TELOPT_NAMS 4 /* approximate message size */

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#define TELOPT_STATUS 5 /* give status */

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#define TELOPT_TM 6 /* timing mark */

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#define TELOPT_RCTE 7 /* remote controlled transmission and echo */

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#define TELOPT_NAOL 8 /* negotiate about output line width */

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#define TELOPT_NAOP 9 /* negotiate about output page size */

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#define TELOPT_NAOCRD 10 /* negotiate about CR disposition */

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#define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */

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#define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */

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#define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */

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#define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */

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#define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */

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#define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */

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#define TELOPT_XASCII 17 /* extended ascii character set */

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#define TELOPT_LOGOUT 18 /* force logout */

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#define TELOPT_BM 19 /* byte macro */

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#define TELOPT_DET 20 /* data entry terminal */

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#define TELOPT_SUPDUP 21 /* supdup protocol */

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#define TELOPT_SUPDUPOUTPUT 22 /* supdup output */

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#define TELOPT_SNDLOC 23 /* send location */

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#define TELOPT_TTYPE 24 /* terminal type */

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#define TELOPT_EOR 25 /* end or record */

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#define TELOPT_TUID 26 /* TACACS user identification */

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#define TELOPT_OUTMRK 27 /* output marking */

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#define TELOPT_TTYLOC 28 /* terminal location number */

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#define TELOPT_3270REGIME 29 /* 3270 regime */

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#define TELOPT_X3PAD 30 /* X.3 PAD */

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#define TELOPT_NAWS 31 /* window size */

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#define TELOPT_TSPEED 32 /* terminal speed */

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#define TELOPT_LFLOW 33 /* remote flow control */

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#define TELOPT_LINEMODE 34 /* Linemode option */

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#define TELOPT_XDISPLOC 35 /* X Display Location */

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#define TELOPT_OLD_ENVIRON 36 /* Old - Environment variables */

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#define TELOPT_AUTHENTICATION 37/* Authenticate */

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#define TELOPT_ENCRYPT 38 /* Encryption option */

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#define TELOPT_NEW_ENVIRON 39 /* New - Environment variables */

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#define TELOPT_EXOPL 255 /* extended-options-list */

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#define NTELOPTS (1+TELOPT_NEW_ENVIRON)

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#ifdef TELOPTS

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char *telopts[NTELOPTS+1] = {

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"BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",

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"STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",

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"NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",

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"NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",

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"DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",

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"SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",

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"TACACS UID", "OUTPUT MARKING", "TTYLOC",

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"3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",

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"LINEMODE", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",

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"ENCRYPT", "NEW-ENVIRON",

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};

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#define TELOPT_FIRST TELOPT_BINARY

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#define TELOPT_LAST TELOPT_NEW_ENVIRON

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#define TELOPT_OK(x) ((unsigned int)(x) <= TELOPT_LAST)

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#define TELOPT(x) telopts[(x)-TELOPT_FIRST]

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#endif

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/* sub-option qualifiers */

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#define TELQUAL_IS 0 /* option is... */

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#define TELQUAL_SEND 1 /* send option */

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#define TELQUAL_INFO 2 /* ENVIRON: informational version of IS */

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#define TELQUAL_REPLY 2 /* AUTHENTICATION: client version of IS */

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#define TELQUAL_NAME 3 /* AUTHENTICATION: client version of IS */

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#define LFLOW_OFF 0 /* Disable remote flow control */

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#define LFLOW_ON 1 /* Enable remote flow control */

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#define LFLOW_RESTART_ANY 2 /* Restart output on any char */

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#define LFLOW_RESTART_XON 3 /* Restart output only on XON */

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* LINEMODE suboptions

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#define LM_MODE 1

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#define LM_FORWARDMASK 2

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#define LM_SLC 3

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#define MODE_EDIT 0x01

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#define MODE_TRAPSIG 0x02

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#define MODE_ACK 0x04

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#define MODE_SOFT_TAB 0x08

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#define MODE_LIT_ECHO 0x10

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#define MODE_MASK 0x1f

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/* Not part of protocol, but needed to simplify things... */

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#define MODE_FLOW 0x0100

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#define MODE_ECHO 0x0200

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#define MODE_INBIN 0x0400

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#define MODE_OUTBIN 0x0800

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#define MODE_FORCE 0x1000

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#define SLC_SYNCH 1

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#define SLC_BRK 2

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#define SLC_IP 3

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#define SLC_AO 4

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#define SLC_AYT 5

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#define SLC_EOR 6

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#define SLC_ABORT 7

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#define SLC_EOF 8

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#define SLC_SUSP 9

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#define SLC_EC 10

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#define SLC_EL 11

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#define SLC_EW 12

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#define SLC_RP 13

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#define SLC_LNEXT 14

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#define SLC_XON 15

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#define SLC_XOFF 16

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#define SLC_FORW1 17

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#define SLC_FORW2 18

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#define NSLC 18

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* For backwards compatibility, we define SLC_NAMES to be the

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* list of names if SLC_NAMES is not defined.

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#define SLC_NAMELIST "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \

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"ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \

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"LNEXT", "XON", "XOFF", "FORW1", "FORW2", 0,

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#ifdef SLC_NAMES

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char *slc_names[] = {

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SLC_NAMELIST

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};

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#else

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extern char *slc_names[];

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#define SLC_NAMES SLC_NAMELIST

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#endif

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#define SLC_NAME_OK(x) ((unsigned int)(x) <= NSLC)

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#define SLC_NAME(x) slc_names[x]

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#define SLC_NOSUPPORT 0

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#define SLC_CANTCHANGE 1

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#define SLC_VARIABLE 2

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#define SLC_DEFAULT 3

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#define SLC_LEVELBITS 0x03

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#define SLC_FUNC 0

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#define SLC_FLAGS 1

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#define SLC_VALUE 2

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#define SLC_ACK 0x80

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#define SLC_FLUSHIN 0x40

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#define SLC_FLUSHOUT 0x20

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#define OLD_ENV_VAR 1

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#define OLD_ENV_VALUE 0

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#define NEW_ENV_VAR 0

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#define NEW_ENV_VALUE 1

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#define ENV_ESC 2

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#define ENV_USERVAR 3

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* AUTHENTICATION suboptions

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* Who is authenticating who ...

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#define AUTH_WHO_CLIENT 0 /* Client authenticating server */

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#define AUTH_WHO_SERVER 1 /* Server authenticating client */

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#define AUTH_WHO_MASK 1

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* amount of authentication done

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#define AUTH_HOW_ONE_WAY 0

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#define AUTH_HOW_MUTUAL 2

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#define AUTH_HOW_MASK 2

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#define AUTHTYPE_NULL 0

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#define AUTHTYPE_KERBEROS_V4 1

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#define AUTHTYPE_KERBEROS_V5 2

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#define AUTHTYPE_SPX 3

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#define AUTHTYPE_MINK 4

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#define AUTHTYPE_CNT 5

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#define AUTHTYPE_TEST 99

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#ifdef AUTH_NAMES

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char *authtype_names[] = {

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"NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK", 0,

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};

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#else

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extern char *authtype_names[];

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#endif

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#define AUTHTYPE_NAME_OK(x) ((unsigned int)(x) < AUTHTYPE_CNT)

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#define AUTHTYPE_NAME(x) authtype_names[x]

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* ENCRYPTion suboptions

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#define ENCRYPT_IS 0 /* I pick encryption type ... */

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#define ENCRYPT_SUPPORT 1 /* I support encryption types ... */

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#define ENCRYPT_REPLY 2 /* Initial setup response */

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#define ENCRYPT_START 3 /* Am starting to send encrypted */

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#define ENCRYPT_END 4 /* Am ending encrypted */

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#define ENCRYPT_REQSTART 5 /* Request you start encrypting */

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#define ENCRYPT_REQEND 6 /* Request you send encrypting */

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#define ENCRYPT_ENC_KEYID 7

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#define ENCRYPT_DEC_KEYID 8

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#define ENCRYPT_CNT 9

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#define ENCTYPE_ANY 0

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#define ENCTYPE_DES_CFB64 1

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#define ENCTYPE_DES_OFB64 2

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#define ENCTYPE_CNT 3

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#ifdef ENCRYPT_NAMES

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char *encrypt_names[] = {

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"IS", "SUPPORT", "REPLY", "START", "END",

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"REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",

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};

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char *enctype_names[] = {

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"ANY", "DES_CFB64", "DES_OFB64", 0,

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};

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#else

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extern char *encrypt_names[];

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extern char *enctype_names[];

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#endif

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#define ENCRYPT_NAME_OK(x) ((unsigned int)(x) < ENCRYPT_CNT)

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#define ENCRYPT_NAME(x) encrypt_names[x]

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#define ENCTYPE_NAME_OK(x) ((unsigned int)(x) < ENCTYPE_CNT)

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#define ENCTYPE_NAME(x) enctype_names[x]

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#endif /* arpa/telnet.h */

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