/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)ext.h	5.6 (Berkeley) 06/28/90
 */

/*
 * Telnet server variable declarations
 */
extern char	options[256];
extern char	do_dont_resp[256];
extern char	will_wont_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 */
#ifdef DIAGNOSTICS
extern int	diagnostic;	/* telnet diagnostic capabilities */
#endif /* DIAGNOSTICS */
#ifdef BFTPDAEMON
extern int	bftpd;		/* behave as bftp daemon */
#endif /* BFTPDAEMON */

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;

#if defined(CRAY2) && defined(UNICOS5)
extern int unpcc;  /* characters left unprocessed by CRAY-2 terminal routine */
extern char *unptyip;  /* pointer to remaining characters in buffer */
#endif

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

#ifdef DIAGNOSTICS
extern void printoption();
extern void printdata();
#endif

/*
 * 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 */
	environsubopt,		/* environ subopt is received */
	xdisplocsubopt,		/* xdisploc subopt is received */
	baseline,		/* time started to do timed action */
	gotDM;			/* when did we last see a data mark */
} clocks;


#if	defined(CRAY2) && defined(UNICOS5)
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