/* * Copyright (c) 1989, 1993 *	The Regents of the University of California.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * *	@(#)ext.h	8.2 (Berkeley) 12/15/93 *//* * 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	LINEMODEextern 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	KLUDGELINEMODEextern int	lmodetype;	/* Client support for linemode */# endif	/* KLUDGELINEMODE */#endif	/* LINEMODE */extern int	flowmode;	/* current flow control state */extern int	restartany;	/* restart output on any character state */#ifdef DIAGNOSTICSextern int	diagnostic;	/* telnet diagnostic capabilities */#endif /* DIAGNOSTICS */#ifdef BFTPDAEMONextern int	bftpd;		/* behave as bftp daemon */#endif /* BFTPDAEMON */#if	defined(SecurID)extern int	require_SecurID;#endif#if	defined(AUTHENTICATION)extern int	auth_level;#endifextern 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 */#endifextern int	pty, net;extern char	*line;extern int	SYNCHing;		/* we are in TELNET SYNCH mode */#ifndef	P# ifdef	__STDC__#  define P(x)	x# else#  define P(x)	()# endif#endifextern void	_termstat P((void)),	add_slc P((int, int, int)),	check_slc P((void)),	change_slc P((int, int, int)),	cleanup P((int)),	clientstat P((int, int, int)),	copy_termbuf P((char *, int)),	deferslc P((void)),	defer_terminit P((void)),	do_opt_slc P((unsigned char *, int)),	doeof P((void)),	dooption P((int)),	dontoption P((int)),	edithost P((char *, char *)),	fatal P((int, char *)),	fatalperror P((int, char *)),	get_slc_defaults P((void)),	init_env P((void)),	init_termbuf P((void)),	interrupt P((void)),	localstat P((void)),	flowstat P((void)),	netclear P((void)),	netflush P((void)),#ifdef DIAGNOSTICS	printoption P((char *, int)),	printdata P((char *, char *, int)),	printsub P((int, unsigned char *, int)),#endif	ptyflush P((void)),	putchr P((int)),	putf P((char *, char *)),	recv_ayt P((void)),	send_do P((int, int)),	send_dont P((int, int)),	send_slc P((void)),	send_status P((void)),	send_will P((int, int)),	send_wont P((int, int)),	sendbrk P((void)),	sendsusp P((void)),	set_termbuf P((void)),	start_login P((char *, int, char *)),	start_slc P((int)),#if	defined(AUTHENTICATION)	start_slave P((char *)),#else	start_slave P((char *, int, char *)),#endif	suboption P((void)),	telrcv P((void)),	ttloop P((void)),	tty_binaryin P((int)),	tty_binaryout P((int));extern int	end_slc P((unsigned char **)),	getnpty P((void)),#ifndef convex	getpty P((int *)),#endif	login_tty P((int)),	spcset P((int, cc_t *, cc_t **)),	stilloob P((int)),	terminit P((void)),	termstat P((void)),	tty_flowmode P((void)),	tty_restartany P((void)),	tty_isbinaryin P((void)),	tty_isbinaryout P((void)),	tty_iscrnl P((void)),	tty_isecho P((void)),	tty_isediting P((void)),	tty_islitecho P((void)),	tty_isnewmap P((void)),	tty_israw P((void)),	tty_issofttab P((void)),	tty_istrapsig P((void)),	tty_linemode P((void));extern void	tty_rspeed P((int)),	tty_setecho P((int)),	tty_setedit P((int)),	tty_setlinemode P((int)),	tty_setlitecho P((int)),	tty_setsig P((int)),	tty_setsofttab P((int)),	tty_tspeed P((int)),	willoption P((int)),	wontoption P((int)),	writenet P((unsigned char *, int));#ifdef	ENCRYPTIONextern void	(*encrypt_output) P((unsigned char *, int));extern int	(*decrypt_input) P((int));extern char	*nclearto;#endif	/* ENCRYPTION *//* * 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 */	oenvironsubopt,		/* old 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	DEFAULT_IM# ifdef CRAY#  define DEFAULT_IM	"\r\n\r\nCray UNICOS (%h) (%t)\r\n\r\r\n\r"# else#  ifdef sun#   define DEFAULT_IM	"\r\n\r\nSunOS UNIX (%h) (%t)\r\n\r\r\n\r"#  else#   ifdef ultrix#    define DEFAULT_IM	"\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r"#   else#    define DEFAULT_IM	"\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r"#   endif#  endif# endif#endif