usr/src/libexec/telnetd/ext.h

/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)ext.h       5.1 (Berkeley) %G%
 */

/*
 * Telnet server variable declarations
 */
extern char     hisopts[256];
extern char     myopts[256];
extern char     hiswants[256];
extern char     mywants[256];
extern char     resp[256];
extern int      linemode;       /* linemode on/off */
#ifdef  LINEMODE
extern int      uselinemode;    /* what linemode to use (on/off) */
extern int      editmode;       /* edit modes in use */
extern int      useeditmode;    /* edit modes to use */
extern int      alwayslinemode; /* command line option */
# ifdef KLUDGELINEMODE
extern int      lmodetype;      /* Client support for linemode */
# endif /* KLUDGELINEMODE */
#endif  /* LINEMODE */
extern int      flowmode;       /* current flow control state */

extern slcfun   slctab[NSLC + 1];       /* slc mapping table */

char    *terminaltype;

/*
 * I/O data buffers, pointers, and counters.
 */
extern char     ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;

extern char     netibuf[BUFSIZ], *netip;

extern char     netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp;
extern char     *neturg;                /* one past last bye of urgent data */

extern int      pcc, ncc;

extern int      pty, net;
extern char     *line;
extern int      SYNCHing;               /* we are in TELNET SYNCH mode */

/*
 * The following are some clocks used to decide how to interpret
 * the relationship between various variables.
 */

extern struct {
    int
        system,                 /* what the current time is */
        echotoggle,             /* last time user entered echo character */
        modenegotiated,         /* last time operating mode negotiated */
        didnetreceive,          /* last time we read data from network */
        ttypesubopt,            /* ttype subopt is received */
        tspeedsubopt,           /* tspeed subopt is received */
        baseline,               /* time started to do timed action */
        gotDM;                  /* when did we last see a data mark */
} clocks;


#ifdef CRAY2
extern int      needtermstat;
#endif

#ifndef CRAY
#define DEFAULT_IM      "\r\n\r\n4.3 BSD UNIX (%h) (%t)\r\n\r\r\n\r"
#else
#define DEFAULT_IM      "\r\n\r\nCray UNICOS (%h) (%t)\r\n\r\r\n\r"
#endif