usr/src/include/arpa/telnet.h

/*      telnet.h        4.2     82/03/01        */

/*
 * Definitions for the TELNET protocol.
 */
#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 SYNCH   242             /* for telfunc calls */

/* 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_EXOPL    255     /* extended-options-list */

#ifdef TELCMDS
char *telcmds[] = {
        "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
        "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC",
};
#endif

#ifdef TELOPTS
char *telopts[] = {
        "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"
};
#endif