[unix-history] / usr / src / usr.bin / telnet / externs.h

/*
 * Copyright (c) 1988 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)externs.h	1.21 (Berkeley) %G%
 */

#ifndef	BSD
# define BSD 43
#endif

#if (BSD > 43 || defined(SYSV_TERMIO)) && !defined(USE_TERMIO)
# define USE_TERMIO
#endif

#include <stdio.h>
#include <setjmp.h>
#include <sys/ioctl.h>
#ifdef	USE_TERMIO
# ifndef	VINTR
#  ifdef SYSV_TERMIO
#   include <sys/termio.h>
#  else
#   include <sys/termios.h>
#   define termio termios
#  endif
# endif
#else
typedef char cc_t;
#endif

#define	SUBBUFSIZE	256

extern int errno;		/* outside this world */

extern char
    *strcat(),
    *strcpy();			/* outside this world */

extern int
    flushout,		/* flush output */
    connected,		/* Are we connected to the other side? */
    globalmode,		/* Mode tty should be in */
    In3270,			/* Are we in 3270 mode? */
    telnetport,		/* Are we connected to the telnet port? */
    localflow,		/* Flow control handled locally */
    localchars,		/* we recognize interrupt/quit */
    donelclchars,		/* the user has set "localchars" */
    showoptions,
    net,		/* Network file descriptor */
    tin,		/* Terminal input file descriptor */
    tout,		/* Terminal output file descriptor */
    crlf,		/* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
    autoflush,		/* flush output when interrupting? */
    autosynch,		/* send interrupt characters with SYNCH? */
    SYNCHing,		/* Is the stream in telnet SYNCH mode? */
    donebinarytoggle,	/* the user has put us in binary */
    dontlecho,		/* do we suppress local echoing right now? */
    crmod,
    netdata,		/* Print out network data flow */
    prettydump,		/* Print "netdata" output in user readable format */
#if	defined(unix)
#if	defined(TN3270)
    cursesdata,		/* Print out curses data flow */
    apitrace,		/* Trace API transactions */
#endif	/* defined(TN3270) */
    termdata,		/* Print out terminal data flow */
#endif	/* defined(unix) */
    debug;			/* Debug level */

extern cc_t
    echoc,		/* Toggle local echoing */
    escape;		/* Escape to command mode */

extern unsigned char
    *prompt;		/* Prompt for command. */

extern char
    doopt[],
    dont[],
    will[],
    wont[],
    options[],		/* All the little options */
    *hostname;		/* Who are we connected to? */

/*
 * We keep track of each side of the option negotiation.
 */

#define	MY_STATE_WILL		0x01
#define	MY_WANT_STATE_WILL	0x02
#define	MY_STATE_DO		0x04
#define	MY_WANT_STATE_DO	0x08

/*
 * Macros to check the current state of things
 */

#define	my_state_is_do(opt)		(options[opt]&MY_STATE_DO)
#define	my_state_is_will(opt)		(options[opt]&MY_STATE_WILL)
#define my_want_state_is_do(opt)	(options[opt]&MY_WANT_STATE_DO)
#define my_want_state_is_will(opt)	(options[opt]&MY_WANT_STATE_WILL)

#define	my_state_is_dont(opt)		(!my_state_is_do(opt))
#define	my_state_is_wont(opt)		(!my_state_is_will(opt))
#define my_want_state_is_dont(opt)	(!my_want_state_is_do(opt))
#define my_want_state_is_wont(opt)	(!my_want_state_is_will(opt))

#define	set_my_state_do(opt)		{options[opt] |= MY_STATE_DO;}
#define	set_my_state_will(opt)		{options[opt] |= MY_STATE_WILL;}
#define	set_my_want_state_do(opt)	{options[opt] |= MY_WANT_STATE_DO;}
#define	set_my_want_state_will(opt)	{options[opt] |= MY_WANT_STATE_WILL;}

#define	set_my_state_dont(opt)		{options[opt] &= ~MY_STATE_DO;}
#define	set_my_state_wont(opt)		{options[opt] &= ~MY_STATE_WILL;}
#define	set_my_want_state_dont(opt)	{options[opt] &= ~MY_WANT_STATE_DO;}
#define	set_my_want_state_wont(opt)	{options[opt] &= ~MY_WANT_STATE_WILL;}

/*
 * Make everything symetrical
 */

#define	HIS_STATE_WILL			MY_STATE_DO
#define	HIS_WANT_STATE_WILL		MY_WANT_STATE_DO
#define HIS_STATE_DO			MY_STATE_WILL
#define HIS_WANT_STATE_DO		MY_WANT_STATE_WILL

#define	his_state_is_do			my_state_is_will
#define	his_state_is_will		my_state_is_do
#define his_want_state_is_do		my_want_state_is_will
#define his_want_state_is_will		my_want_state_is_do

#define	his_state_is_dont		my_state_is_wont
#define	his_state_is_wont		my_state_is_dont
#define his_want_state_is_dont		my_want_state_is_wont
#define his_want_state_is_wont		my_want_state_is_dont

#define	set_his_state_do		set_my_state_will
#define	set_his_state_will		set_my_state_do
#define	set_his_want_state_do		set_my_want_state_will
#define	set_his_want_state_will		set_my_want_state_do

#define	set_his_state_dont		set_my_state_wont
#define	set_his_state_wont		set_my_state_dont
#define	set_his_want_state_dont		set_my_want_state_wont
#define	set_his_want_state_wont		set_my_want_state_dont


extern FILE
    *NetTrace;		/* Where debugging output goes */
extern unsigned char
    NetTraceFile[];	/* Name of file where debugging output goes */
extern void
    SetNetTrace();	/* Function to change where debugging goes */

extern jmp_buf
    peerdied,
    toplevel;		/* For error conditions. */

extern void
    command(),
#if	!defined(NOT43)
    dosynch(),
#endif	/* !defined(NOT43) */
    get_status(),
    Dump(),
    init_3270(),
    printoption(),
    printsub(),
    sendnaws(),
    setconnmode(),
    setcommandmode(),
    setneturg(),
    sys_telnet_init(),
    telnet(),
    TerminalFlushOutput(),
    TerminalNewMode(),
    TerminalRestoreState(),
    TerminalSaveState(),
    tninit(),
    upcase(),
    willoption(),
    wontoption();

#if	defined(NOT43)
extern int
    dosynch();
#endif	/* defined(NOT43) */

#ifndef	USE_TERMIO

extern struct	tchars ntc;
extern struct	ltchars nltc;
extern struct	sgttyb nttyb;

# define termEofChar		ntc.t_eofc
# define termEraseChar		nttyb.sg_erase
# define termFlushChar		nltc.t_flushc
# define termIntChar		ntc.t_intrc
# define termKillChar		nttyb.sg_kill
# define termLiteralNextChar	nltc.t_lnextc
# define termQuitChar		ntc.t_quitc
# define termSuspChar		nltc.t_suspc
# define termRprntChar		nltc.t_rprntc
# define termWerasChar		nltc.t_werasc
# define termStartChar		ntc.t_startc
# define termStopChar		ntc.t_stopc
# define termForw1Char		ntc.t_brkc
extern char termForw2Char;

# define termEofCharp		(cc_t *)&ntc.t_eofc
# define termEraseCharp		(cc_t *)&nttyb.sg_erase
# define termFlushCharp		(cc_t *)&nltc.t_flushc
# define termIntCharp		(cc_t *)&ntc.t_intrc
# define termKillCharp		(cc_t *)&nttyb.sg_kill
# define termLiteralNextCharp	(cc_t *)&nltc.t_lnextc
# define termQuitCharp		(cc_t *)&ntc.t_quitc
# define termSuspCharp		(cc_t *)&nltc.t_suspc
# define termRprntCharp		(cc_t *)&nltc.t_rprntc
# define termWerasCharp		(cc_t *)&nltc.t_werasc
# define termStartCharp		(cc_t *)&ntc.t_startc
# define termStopCharp		(cc_t *)&ntc.t_stopc
# define termForw1Charp		(cc_t *)&ntc.t_brkc
# define termForw2Charp		(cc_t *)&termForw2Char

# else

extern struct	termio new_tc;

# define termEofChar		new_tc.c_cc[VEOF]
# define termEraseChar		new_tc.c_cc[VERASE]
# define termIntChar		new_tc.c_cc[VINTR]
# define termKillChar		new_tc.c_cc[VKILL]
# define termQuitChar		new_tc.c_cc[VQUIT]

# ifndef	VSUSP
extern char termSuspChar;
# else
#  define termSuspChar		new_tc.c_cc[VSUSP]
# endif
# ifndef	VFLUSHO
extern char termFlushChar;
# else
#  define termFlushChar		new_tc.c_cc[VFLUSHO]
# endif
# ifndef VWERASE
extern char termWerasChar;
# else
#  define termWerasChar		new_tc.c_cc[VWERASE]
# endif
# ifndef	VREPRINT
extern char termRprntChar;
# else
#  define termRprntChar		new_tc.c_cc[VREPRINT]
# endif
# ifndef	VLNEXT
extern char termLiteralNextChar;
# else
#  define termLiteralNextChar	new_tc.c_cc[VLNEXT]
# endif
# ifndef	VSTART
extern char termStartChar;
# else
#  define termStartChar		new_tc.c_cc[VSTART]
# endif
# ifndef	VSTOP
extern char termStopChar;
# else
#  define termStopChar		new_tc.c_cc[VSTOP]
# endif
# ifndef	VEOL
extern char termForw1Char;
# else
#  define termForw1Char		new_tc.c_cc[VEOL]
# endif
# ifndef	VEOL2
extern char termForw2Char;
# else
#  define termForw2Char		new_tc.c_cc[VEOL]
# endif

# ifndef CRAY
#  define termEofCharp		&termEofChar
#  define termEraseCharp	&termEraseChar
#  define termIntCharp		&termIntChar
#  define termKillCharp		&termKillChar
#  define termQuitCharp		&termQuitChar
#  define termSuspCharp		&termSuspChar
#  define termFlushCharp	&termFlushChar
#  define termWerasCharp	&termWerasChar
#  define termRprntCharp	&termRprntChar
#  define termLiteralNextCharp	&termLiteralNextChar
#  define termStartCharp	&termStartChar
#  define termStopCharp		&termStopChar
#  define termForw1Charp	&termForw1Char
#  define termForw2Charp	&termForw2Char
# else
	/* Work around a compiler bug */
#  define termEofCharp		0
#  define termEraseCharp	0
#  define termIntCharp		0
#  define termKillCharp		0
#  define termQuitCharp		0
#  define termSuspCharp		0
#  define termFlushCharp	0
#  define termWerasCharp	0
#  define termRprntCharp	0
#  define termLiteralNextCharp	0
#  define termStartCharp	0
#  define termStopCharp		0
#  define termForw1Charp	0
#  define termForw2Charp	0
# endif
#endif


/* Ring buffer structures which are shared */

extern Ring
    netoring,
    netiring,
    ttyoring,
    ttyiring;

/* Tn3270 section */
#if	defined(TN3270)

extern int
    HaveInput,		/* Whether an asynchronous I/O indication came in */
    noasynchtty,	/* Don't do signals on I/O (SIGURG, SIGIO) */
    noasynchnet,	/* Don't do signals on I/O (SIGURG, SIGIO) */
    sigiocount,		/* Count of SIGIO receptions */
    shell_active;	/* Subshell is active */

extern char
    *Ibackp,		/* Oldest byte of 3270 data */
    Ibuf[],		/* 3270 buffer */
    *Ifrontp,		/* Where next 3270 byte goes */
    tline[],
    *transcom;		/* Transparent command */

extern int
    settranscom();

extern void
    inputAvailable();
#endif	/* defined(TN3270) */
Commit	Line	Data
897ce52e KB	1	/*
	2	* Copyright (c) 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
b36fc510 KB	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
897ce52e	16	*
87b60187	17	* @(#)externs.h 1.21 (Berkeley) %G%
897ce52e KB	18	*/
897ce52e KB	19
7daa10bf PB	20	#ifndef BSD
	21	# define BSD 43
	22	#endif
	23
	24	#if (BSD > 43 \|\| defined(SYSV_TERMIO)) && !defined(USE_TERMIO)
	25	# define USE_TERMIO
6055a9f6 PB	26	#endif
6055a9f6 PB	27
ad54d2e3 GM	28	#include <stdio.h>
ad54d2e3 GM	29	#include <setjmp.h>
6055a9f6 PB	30	#include <sys/ioctl.h>
6055a9f6 PB	31	#ifdef USE_TERMIO
7daa10bf PB	32	# ifndef VINTR
	33	# ifdef SYSV_TERMIO
	34	# include <sys/termio.h>
	35	# else
	36	# include <sys/termios.h>
	37	# define termio termios
	38	# endif
	39	# endif
87b60187 PB	40	#else
87b60187 PB	41	typedef char cc_t;
6055a9f6	42	#endif
ad54d2e3	43
6055a9f6	44	#define SUBBUFSIZE 256
ad54d2e3 GM	45
	46	extern int errno; /* outside this world */
	47
2e48960f GM	48	extern char
	49	*strcat(),
	50	strcpy(); / outside this world */
	51
ad54d2e3	52	extern int
2e48960f GM	53	flushout, /* flush output */
	54	connected, /* Are we connected to the other side? */
	55	globalmode, /* Mode tty should be in */
	56	In3270, /* Are we in 3270 mode? */
	57	telnetport, /* Are we connected to the telnet port? */
445e62ba	58	localflow, /* Flow control handled locally */
2e48960f GM	59	localchars, /* we recognize interrupt/quit */
	60	donelclchars, /* the user has set "localchars" */
	61	showoptions,
344def17 GM	62	net, /* Network file descriptor */
344def17 GM	63	tin, /* Terminal input file descriptor */
2e48960f GM	64	tout, /* Terminal output file descriptor */
	65	crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
	66	autoflush, /* flush output when interrupting? */
	67	autosynch, /* send interrupt characters with SYNCH? */
	68	SYNCHing, /* Is the stream in telnet SYNCH mode? */
	69	donebinarytoggle, /* the user has put us in binary */
	70	dontlecho, /* do we suppress local echoing right now? */
	71	crmod,
	72	netdata, /* Print out network data flow */
6055a9f6	73	prettydump, /* Print "netdata" output in user readable format */
40cc3fc2 GM	74	#if defined(unix)
	75	#if defined(TN3270)
	76	cursesdata, /* Print out curses data flow */
a0b02dfa	77	apitrace, /* Trace API transactions */
40cc3fc2 GM	78	#endif /* defined(TN3270) */
	79	termdata, /* Print out terminal data flow */
	80	#endif /* defined(unix) */
2e48960f	81	debug; /* Debug level */
ad54d2e3	82
87b60187	83	extern cc_t
7daa10bf	84	echoc, /* Toggle local echoing */
87b60187 PB	85	escape; /* Escape to command mode */
	86
	87	extern unsigned char
7daa10bf PB	88	prompt; / Prompt for command. */
7daa10bf PB	89
ad54d2e3	90	extern char
2e48960f GM	91	doopt[],
	92	dont[],
	93	will[],
	94	wont[],
32d22a68	95	options[], /* All the little options */
7daa10bf	96	hostname; / Who are we connected to? */
ad54d2e3	97
32d22a68 GM	98	/*
	99	* We keep track of each side of the option negotiation.
	100	*/
	101
6055a9f6 PB	102	#define MY_STATE_WILL 0x01
	103	#define MY_WANT_STATE_WILL 0x02
	104	#define MY_STATE_DO 0x04
	105	#define MY_WANT_STATE_DO 0x08
	106
	107	/*
	108	* Macros to check the current state of things
	109	*/
	110
	111	#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
	112	#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
	113	#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
	114	#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
	115
	116	#define my_state_is_dont(opt) (!my_state_is_do(opt))
	117	#define my_state_is_wont(opt) (!my_state_is_will(opt))
	118	#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
	119	#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
	120
	121	#define set_my_state_do(opt) {options[opt] \|= MY_STATE_DO;}
	122	#define set_my_state_will(opt) {options[opt] \|= MY_STATE_WILL;}
	123	#define set_my_want_state_do(opt) {options[opt] \|= MY_WANT_STATE_DO;}
	124	#define set_my_want_state_will(opt) {options[opt] \|= MY_WANT_STATE_WILL;}
	125
	126	#define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
	127	#define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
	128	#define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
	129	#define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
32d22a68 GM	130
32d22a68 GM	131	/*
6055a9f6	132	* Make everything symetrical
32d22a68 GM	133	*/
32d22a68 GM	134
6055a9f6 PB	135	#define HIS_STATE_WILL MY_STATE_DO
	136	#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
	137	#define HIS_STATE_DO MY_STATE_WILL
	138	#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
	139
	140	#define his_state_is_do my_state_is_will
	141	#define his_state_is_will my_state_is_do
	142	#define his_want_state_is_do my_want_state_is_will
	143	#define his_want_state_is_will my_want_state_is_do
	144
	145	#define his_state_is_dont my_state_is_wont
	146	#define his_state_is_wont my_state_is_dont
	147	#define his_want_state_is_dont my_want_state_is_wont
	148	#define his_want_state_is_wont my_want_state_is_dont
	149
	150	#define set_his_state_do set_my_state_will
	151	#define set_his_state_will set_my_state_do
	152	#define set_his_want_state_do set_my_want_state_will
	153	#define set_his_want_state_will set_my_want_state_do
	154
	155	#define set_his_state_dont set_my_state_wont
	156	#define set_his_state_wont set_my_state_dont
	157	#define set_his_want_state_dont set_my_want_state_wont
	158	#define set_his_want_state_wont set_my_want_state_dont
32d22a68	159
32d22a68	160
ad54d2e3	161	extern FILE
2e48960f	162	NetTrace; / Where debugging output goes */
7daa10bf	163	extern unsigned char
6055a9f6 PB	164	NetTraceFile[]; /* Name of file where debugging output goes */
	165	extern void
	166	SetNetTrace(); /* Function to change where debugging goes */
ad54d2e3 GM	167
ad54d2e3 GM	168	extern jmp_buf
2e48960f GM	169	peerdied,
2e48960f GM	170	toplevel; /* For error conditions. */
ad54d2e3 GM	171
ad54d2e3 GM	172	extern void
80a47e22	173	command(),
746dd3e1	174	#if !defined(NOT43)
2e48960f	175	dosynch(),
746dd3e1	176	#endif /* !defined(NOT43) */
6570c863	177	get_status(),
80a47e22 GM	178	Dump(),
	179	init_3270(),
	180	printoption(),
	181	printsub(),
445e62ba	182	sendnaws(),
2e48960f	183	setconnmode(),
80a47e22 GM	184	setcommandmode(),
	185	setneturg(),
	186	sys_telnet_init(),
	187	telnet(),
	188	TerminalFlushOutput(),
	189	TerminalNewMode(),
	190	TerminalRestoreState(),
	191	TerminalSaveState(),
	192	tninit(),
	193	upcase(),
	194	willoption(),
	195	wontoption();
ad54d2e3	196
746dd3e1 GM	197	#if defined(NOT43)
	198	extern int
	199	dosynch();
	200	#endif /* defined(NOT43) */
	201
7daa10bf	202	#ifndef USE_TERMIO
6055a9f6 PB	203
	204	extern struct tchars ntc;
	205	extern struct ltchars nltc;
	206	extern struct sgttyb nttyb;
	207
7daa10bf PB	208	# define termEofChar ntc.t_eofc
	209	# define termEraseChar nttyb.sg_erase
	210	# define termFlushChar nltc.t_flushc
	211	# define termIntChar ntc.t_intrc
	212	# define termKillChar nttyb.sg_kill
	213	# define termLiteralNextChar nltc.t_lnextc
	214	# define termQuitChar ntc.t_quitc
	215	# define termSuspChar nltc.t_suspc
	216	# define termRprntChar nltc.t_rprntc
	217	# define termWerasChar nltc.t_werasc
	218	# define termStartChar ntc.t_startc
	219	# define termStopChar ntc.t_stopc
87b60187 PB	220	# define termForw1Char ntc.t_brkc
	221	extern char termForw2Char;
	222
	223	# define termEofCharp (cc_t *)&ntc.t_eofc
	224	# define termEraseCharp (cc_t *)&nttyb.sg_erase
	225	# define termFlushCharp (cc_t *)&nltc.t_flushc
	226	# define termIntCharp (cc_t *)&ntc.t_intrc
	227	# define termKillCharp (cc_t *)&nttyb.sg_kill
	228	# define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
	229	# define termQuitCharp (cc_t *)&ntc.t_quitc
	230	# define termSuspCharp (cc_t *)&nltc.t_suspc
	231	# define termRprntCharp (cc_t *)&nltc.t_rprntc
	232	# define termWerasCharp (cc_t *)&nltc.t_werasc
	233	# define termStartCharp (cc_t *)&ntc.t_startc
	234	# define termStopCharp (cc_t *)&ntc.t_stopc
	235	# define termForw1Charp (cc_t *)&ntc.t_brkc
	236	# define termForw2Charp (cc_t *)&termForw2Char
6055a9f6 PB	237
	238	# else
	239
	240	extern struct termio new_tc;
	241
7daa10bf PB	242	# define termEofChar new_tc.c_cc[VEOF]
	243	# define termEraseChar new_tc.c_cc[VERASE]
	244	# define termIntChar new_tc.c_cc[VINTR]
	245	# define termKillChar new_tc.c_cc[VKILL]
	246	# define termQuitChar new_tc.c_cc[VQUIT]
6055a9f6	247
7daa10bf PB	248	# ifndef VSUSP
7daa10bf PB	249	extern char termSuspChar;
6055a9f6	250	# else
7daa10bf PB	251	# define termSuspChar new_tc.c_cc[VSUSP]
	252	# endif
	253	# ifndef VFLUSHO
	254	extern char termFlushChar;
	255	# else
	256	# define termFlushChar new_tc.c_cc[VFLUSHO]
	257	# endif
	258	# ifndef VWERASE
	259	extern char termWerasChar;
	260	# else
	261	# define termWerasChar new_tc.c_cc[VWERASE]
6055a9f6	262	# endif
7daa10bf PB	263	# ifndef VREPRINT
	264	extern char termRprntChar;
	265	# else
	266	# define termRprntChar new_tc.c_cc[VREPRINT]
	267	# endif
	268	# ifndef VLNEXT
	269	extern char termLiteralNextChar;
	270	# else
	271	# define termLiteralNextChar new_tc.c_cc[VLNEXT]
	272	# endif
	273	# ifndef VSTART
	274	extern char termStartChar;
	275	# else
	276	# define termStartChar new_tc.c_cc[VSTART]
	277	# endif
	278	# ifndef VSTOP
	279	extern char termStopChar;
	280	# else
	281	# define termStopChar new_tc.c_cc[VSTOP]
	282	# endif
87b60187 PB	283	# ifndef VEOL
	284	extern char termForw1Char;
	285	# else
	286	# define termForw1Char new_tc.c_cc[VEOL]
	287	# endif
	288	# ifndef VEOL2
	289	extern char termForw2Char;
	290	# else
	291	# define termForw2Char new_tc.c_cc[VEOL]
	292	# endif
7daa10bf PB	293
	294	# ifndef CRAY
	295	# define termEofCharp &termEofChar
	296	# define termEraseCharp &termEraseChar
	297	# define termIntCharp &termIntChar
	298	# define termKillCharp &termKillChar
	299	# define termQuitCharp &termQuitChar
6055a9f6 PB	300	# define termSuspCharp &termSuspChar
	301	# define termFlushCharp &termFlushChar
	302	# define termWerasCharp &termWerasChar
	303	# define termRprntCharp &termRprntChar
	304	# define termLiteralNextCharp &termLiteralNextChar
	305	# define termStartCharp &termStartChar
	306	# define termStopCharp &termStopChar
87b60187 PB	307	# define termForw1Charp &termForw1Char
87b60187 PB	308	# define termForw2Charp &termForw2Char
7daa10bf PB	309	# else
	310	/* Work around a compiler bug */
	311	# define termEofCharp 0
	312	# define termEraseCharp 0
	313	# define termIntCharp 0
	314	# define termKillCharp 0
	315	# define termQuitCharp 0
	316	# define termSuspCharp 0
	317	# define termFlushCharp 0
	318	# define termWerasCharp 0
	319	# define termRprntCharp 0
	320	# define termLiteralNextCharp 0
	321	# define termStartCharp 0
	322	# define termStopCharp 0
87b60187 PB	323	# define termForw1Charp 0
87b60187 PB	324	# define termForw2Charp 0
6055a9f6	325	# endif
6055a9f6 PB	326	#endif
6055a9f6 PB	327
115a5494 GM	328
	329	/* Ring buffer structures which are shared */
	330
	331	extern Ring
2e48960f GM	332	netoring,
	333	netiring,
	334	ttyoring,
	335	ttyiring;
	336
	337	/* Tn3270 section */
	338	#if defined(TN3270)
	339
	340	extern int
	341	HaveInput, /* Whether an asynchronous I/O indication came in */
4ad36dea GM	342	noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
	343	noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
	344	sigiocount, /* Count of SIGIO receptions */
2e48960f GM	345	shell_active; /* Subshell is active */
	346
	347	extern char
	348	Ibackp, / Oldest byte of 3270 data */
	349	Ibuf[], /* 3270 buffer */
	350	Ifrontp, / Where next 3270 byte goes */
	351	tline[],
	352	transcom; / Transparent command */
	353
	354	extern int
	355	settranscom();
	356
	357	extern void
	358	inputAvailable();
	359	#endif /* defined(TN3270) */