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1.1 root 1: /*
2: * Copyright (c) 1983 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: *
6: * @(#)telnet.h 5.1 (Berkeley) 5/30/85
7: */
8:
9: /*
10: * Definitions for the TELNET protocol.
11: */
12: #define IAC 255 /* interpret as command: */
13: #define DONT 254 /* you are not to use option */
14: #define DO 253 /* please, you use option */
15: #define WONT 252 /* I won't use option */
16: #define WILL 251 /* I will use option */
17: #define SB 250 /* interpret as subnegotiation */
18: #define GA 249 /* you may reverse the line */
19: #define EL 248 /* erase the current line */
20: #define EC 247 /* erase the current character */
21: #define AYT 246 /* are you there */
22: #define AO 245 /* abort output--but let prog finish */
23: #define IP 244 /* interrupt process--permanently */
24: #define BREAK 243 /* break */
25: #define DM 242 /* data mark--for connect. cleaning */
26: #define NOP 241 /* nop */
27: #define SE 240 /* end sub negotiation */
28: #define EOR 239 /* end of record (transparent mode) */
29:
30: #define SYNCH 242 /* for telfunc calls */
31:
32: #ifdef TELCMDS
33: char *telcmds[] = {
34: "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
35: "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC",
36: };
37: #endif
38:
39: /* telnet options */
40: #define TELOPT_BINARY 0 /* 8-bit data path */
41: #define TELOPT_ECHO 1 /* echo */
42: #define TELOPT_RCP 2 /* prepare to reconnect */
43: #define TELOPT_SGA 3 /* suppress go ahead */
44: #define TELOPT_NAMS 4 /* approximate message size */
45: #define TELOPT_STATUS 5 /* give status */
46: #define TELOPT_TM 6 /* timing mark */
47: #define TELOPT_RCTE 7 /* remote controlled transmission and echo */
48: #define TELOPT_NAOL 8 /* negotiate about output line width */
49: #define TELOPT_NAOP 9 /* negotiate about output page size */
50: #define TELOPT_NAOCRD 10 /* negotiate about CR disposition */
51: #define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */
52: #define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */
53: #define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */
54: #define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */
55: #define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */
56: #define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */
57: #define TELOPT_XASCII 17 /* extended ascic character set */
58: #define TELOPT_LOGOUT 18 /* force logout */
59: #define TELOPT_BM 19 /* byte macro */
60: #define TELOPT_DET 20 /* data entry terminal */
61: #define TELOPT_SUPDUP 21 /* supdup protocol */
62: #define TELOPT_SUPDUPOUTPUT 22 /* supdup output */
63: #define TELOPT_SNDLOC 23 /* send location */
64: #define TELOPT_TTYPE 24 /* terminal type */
65: #define TELOPT_EOR 25 /* end or record */
66: #define TELOPT_EXOPL 255 /* extended-options-list */
67:
68: #ifdef TELOPTS
69: #define NTELOPTS (1+TELOPT_EOR)
70: char *telopts[NTELOPTS] = {
71: "BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
72: "STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
73: "NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
74: "NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
75: "DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
76: "SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
77: };
78: #endif
79:
80: /* sub-option qualifiers */
81: #define TELQUAL_IS 0 /* option is... */
82: #define TELQUAL_SEND 1 /* send option */
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