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

/*
 * Copyright (c) 1988, 1990 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.
 *
 *	@(#)externs.h	5.3 (Berkeley) 3/22/91
 */

#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>
#ifndef	FILIO_H
#include <sys/ioctl.h>
#else
#include <sys/filio.h>
#endif
#ifdef	USE_TERMIO
# ifndef	VINTR
#  ifdef SYSV_TERMIO
#   include <sys/termio.h>
#  else
#   include <sys/termios.h>
#   define termio termios
#  endif
# endif
#endif
#if defined(NO_CC_T) || !defined(USE_TERMIO)
# if !defined(USE_TERMIO)
typedef char cc_t;
# else
typedef unsigned char cc_t;
# endif
#endif

#ifndef	NO_STRING_H
#include <string.h>
#endif
#include <strings.h>

#ifndef	_POSIX_VDISABLE
# ifdef sun
#  include <sys/param.h>	/* pick up VDISABLE definition, mayby */
# endif
# ifdef VDISABLE
#  define _POSIX_VDISABLE VDISABLE
# else
#  define _POSIX_VDISABLE ((cc_t)'\377')
# endif
#endif

#define	SUBBUFSIZE	256

extern int errno;		/* outside this world */

#if	!defined(P)
# ifdef	__STDC__
#  define	P(x)	x
# else
#  define	P(x)	()
# endif
#endif

extern int
    autologin,		/* Autologin enabled */
    skiprc,		/* Don't process the ~/.telnetrc file */
    eight,		/* use eight bit mode (binary in and/or out */
    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 escape;	/* Escape to command mode */
extern cc_t rlogin;	/* Rlogin mode escape character */
#ifdef	KLUDGELINEMODE
extern cc_t echoc;	/* Toggle local echoing */
#endif

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

extern char
    doopt[],
    dont[],
    will[],
    wont[],
    options[],		/* All the little options */
    *hostname;		/* Who are we connected to? */
#if	defined(ENCRYPT)
extern void (*encrypt_output) P((unsigned char *, int));
extern int (*decrypt_input) P((int));
#endif

/*
 * 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 P((char *));	/* Function to change where debugging goes */

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

extern void
    command P((int, char *, int)),
    Dump P((int, unsigned char *, int)),
    init_3270 P((void)),
    printoption P((char *, int, int)),
    printsub P((int, unsigned char *, int)),
    sendnaws P((void)),
    setconnmode P((int)),
    setcommandmode P((void)),
    setneturg P((void)),
    sys_telnet_init P((void)),
    telnet P((char *)),
    tel_enter_binary P((int)),
    TerminalFlushOutput P((void)),
    TerminalNewMode P((int)),
    TerminalRestoreState P((void)),
    TerminalSaveState P((void)),
    tninit P((void)),
    upcase P((char *)),
    willoption P((int)),
    wontoption P((int));

extern void
    lm_will P((unsigned char *, int)),
    lm_wont P((unsigned char *, int)),
    lm_do P((unsigned char *, int)),
    lm_dont P((unsigned char *, int)),
    lm_mode P((unsigned char *, int, int));

extern void
    slc_init P((void)),
    slcstate P((void)),
    slc_mode_export P((void)),
    slc_mode_import P((int)),
    slc_import P((int)),
    slc_export P((void)),
    slc P((unsigned char *, int)),
    slc_check P((void)),
    slc_start_reply P((void)),
    slc_add_reply P((int, int, int)),
    slc_end_reply P((void));
extern int
    slc_update P((void));

extern void
    env_opt P((unsigned char *, int)),
    env_opt_start P((void)),
    env_opt_start_info P((void)),
    env_opt_add P((unsigned char *)),
    env_opt_end P((int));

extern unsigned char
    *env_default P((int)),
    *env_getvalue P((unsigned char *));

extern int
    get_status P((void)),
    dosynch P((void));

extern cc_t
    *tcval P((int));

#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 cc_t termForw2Char;
extern cc_t termAytChar;

# 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
# define termAytCharp		(cc_t *)&termAytChar

# 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 cc_t termSuspChar;
# else
#  define termSuspChar		new_tc.c_cc[VSUSP]
# endif
# if	defined(VFLUSHO) && !defined(VDISCARD)
#  define VDISCARD VFLUSHO
# endif
# ifndef	VDISCARD
extern cc_t termFlushChar;
# else
#  define termFlushChar		new_tc.c_cc[VDISCARD]
# endif
# ifndef VWERASE
extern cc_t termWerasChar;
# else
#  define termWerasChar		new_tc.c_cc[VWERASE]
# endif
# ifndef	VREPRINT
extern cc_t termRprntChar;
# else
#  define termRprntChar		new_tc.c_cc[VREPRINT]
# endif
# ifndef	VLNEXT
extern cc_t termLiteralNextChar;
# else
#  define termLiteralNextChar	new_tc.c_cc[VLNEXT]
# endif
# ifndef	VSTART
extern cc_t termStartChar;
# else
#  define termStartChar		new_tc.c_cc[VSTART]
# endif
# ifndef	VSTOP
extern cc_t termStopChar;
# else
#  define termStopChar		new_tc.c_cc[VSTOP]
# endif
# ifndef	VEOL
extern cc_t termForw1Char;
# else
#  define termForw1Char		new_tc.c_cc[VEOL]
# endif
# ifndef	VEOL2
extern cc_t termForw2Char;
# else
#  define termForw2Char		new_tc.c_cc[VEOL]
# endif
# ifndef	VSTATUS
extern cc_t termAytChar;
#else
#  define termAytChar		new_tc.c_cc[VSTATUS]
#endif

# if !defined(CRAY) || defined(__STDC__)
#  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
#  define termAytCharp		&termAytChar
# 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
#  define termAytCharp		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 void
    settranscom P((int, char**));

extern int
    shell P((int, char**));

extern void
    inputAvailable P((void));
#endif	/* defined(TN3270) */
Commit	Line	Data
ee90f644 WJ	1	/*
	2	* Copyright (c) 1988, 1990 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)externs.h 5.3 (Berkeley) 3/22/91
	34	*/
	35
	36	#ifndef BSD
	37	# define BSD 43
	38	#endif
	39
	40	#if (BSD > 43 \|\| defined(SYSV_TERMIO)) && !defined(USE_TERMIO)
	41	# define USE_TERMIO
	42	#endif
	43
	44	#include <stdio.h>
	45	#include <setjmp.h>
	46	#ifndef FILIO_H
	47	#include <sys/ioctl.h>
	48	#else
	49	#include <sys/filio.h>
	50	#endif
	51	#ifdef USE_TERMIO
	52	# ifndef VINTR
	53	# ifdef SYSV_TERMIO
	54	# include <sys/termio.h>
	55	# else
	56	# include <sys/termios.h>
	57	# define termio termios
	58	# endif
	59	# endif
	60	#endif
	61	#if defined(NO_CC_T) \|\| !defined(USE_TERMIO)
	62	# if !defined(USE_TERMIO)
	63	typedef char cc_t;
	64	# else
65	typedef unsigned char cc_t;
66	# endif
67	#endif
68
69	#ifndef NO_STRING_H
70	#include <string.h>
71	#endif
72	#include <strings.h>
73
74	#ifndef _POSIX_VDISABLE
75	# ifdef sun
76	# include <sys/param.h> /* pick up VDISABLE definition, mayby */
77	# endif
78	# ifdef VDISABLE
79	# define _POSIX_VDISABLE VDISABLE
80	# else
81	# define _POSIX_VDISABLE ((cc_t)'\377')
82	# endif
83	#endif
84
85	#define SUBBUFSIZE 256
86
87	extern int errno; /* outside this world */
88
89	#if !defined(P)
90	# ifdef __STDC__
91	# define P(x) x
92	# else
93	# define P(x) ()
94	# endif
95	#endif
96
97	extern int
98	autologin, /* Autologin enabled */
99	skiprc, /* Don't process the ~/.telnetrc file */
100	eight, /* use eight bit mode (binary in and/or out */
101	flushout, /* flush output */
102	connected, /* Are we connected to the other side? */
103	globalmode, /* Mode tty should be in */
104	In3270, /* Are we in 3270 mode? */
105	telnetport, /* Are we connected to the telnet port? */
106	localflow, /* Flow control handled locally */
107	localchars, /* we recognize interrupt/quit */
108	donelclchars, /* the user has set "localchars" */
109	showoptions,
110	net, /* Network file descriptor */
111	tin, /* Terminal input file descriptor */
112	tout, /* Terminal output file descriptor */
113	crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
114	autoflush, /* flush output when interrupting? */
115	autosynch, /* send interrupt characters with SYNCH? */
116	SYNCHing, /* Is the stream in telnet SYNCH mode? */
117	donebinarytoggle, /* the user has put us in binary */
118	dontlecho, /* do we suppress local echoing right now? */
119	crmod,
120	netdata, /* Print out network data flow */
121	prettydump, /* Print "netdata" output in user readable format */
122	#if defined(unix)
123	#if defined(TN3270)
124	cursesdata, /* Print out curses data flow */
125	apitrace, /* Trace API transactions */
126	#endif /* defined(TN3270) */
127	termdata, /* Print out terminal data flow */
128	#endif /* defined(unix) */
129	debug; /* Debug level */
130
131	extern cc_t escape; /* Escape to command mode */
132	extern cc_t rlogin; /* Rlogin mode escape character */
133	#ifdef KLUDGELINEMODE
134	extern cc_t echoc; /* Toggle local echoing */
135	#endif
136
137	extern char
138	prompt; / Prompt for command. */
139
140	extern char
141	doopt[],
142	dont[],
143	will[],
144	wont[],
145	options[], /* All the little options */
146	hostname; / Who are we connected to? */
147	#if defined(ENCRYPT)
148	extern void (encrypt_output) P((unsigned char , int));
149	extern int (*decrypt_input) P((int));
150	#endif
151
152	/*
153	* We keep track of each side of the option negotiation.
154	*/
155
156	#define MY_STATE_WILL 0x01
157	#define MY_WANT_STATE_WILL 0x02
158	#define MY_STATE_DO 0x04
159	#define MY_WANT_STATE_DO 0x08
160
161	/*
162	* Macros to check the current state of things
163	*/
164
165	#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
166	#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
167	#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
168	#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
169
170	#define my_state_is_dont(opt) (!my_state_is_do(opt))
171	#define my_state_is_wont(opt) (!my_state_is_will(opt))
172	#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
173	#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
174
175	#define set_my_state_do(opt) {options[opt] \|= MY_STATE_DO;}
176	#define set_my_state_will(opt) {options[opt] \|= MY_STATE_WILL;}
177	#define set_my_want_state_do(opt) {options[opt] \|= MY_WANT_STATE_DO;}
178	#define set_my_want_state_will(opt) {options[opt] \|= MY_WANT_STATE_WILL;}
179
180	#define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
181	#define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
182	#define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
183	#define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
184
185	/*
186	* Make everything symetrical
187	*/
188
189	#define HIS_STATE_WILL MY_STATE_DO
190	#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
191	#define HIS_STATE_DO MY_STATE_WILL
192	#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
193
194	#define his_state_is_do my_state_is_will
195	#define his_state_is_will my_state_is_do
196	#define his_want_state_is_do my_want_state_is_will
197	#define his_want_state_is_will my_want_state_is_do
198
199	#define his_state_is_dont my_state_is_wont
200	#define his_state_is_wont my_state_is_dont
201	#define his_want_state_is_dont my_want_state_is_wont
202	#define his_want_state_is_wont my_want_state_is_dont
203
204	#define set_his_state_do set_my_state_will
205	#define set_his_state_will set_my_state_do
206	#define set_his_want_state_do set_my_want_state_will
207	#define set_his_want_state_will set_my_want_state_do
208
209	#define set_his_state_dont set_my_state_wont
210	#define set_his_state_wont set_my_state_dont
211	#define set_his_want_state_dont set_my_want_state_wont
212	#define set_his_want_state_wont set_my_want_state_dont
213
214
215	extern FILE
216	NetTrace; / Where debugging output goes */
217	extern unsigned char
218	NetTraceFile[]; /* Name of file where debugging output goes */
219	extern void
220	SetNetTrace P((char )); / Function to change where debugging goes */
221
222	extern jmp_buf
223	peerdied,
224	toplevel; /* For error conditions. */
225
226	extern void
227	command P((int, char *, int)),
228	Dump P((int, unsigned char *, int)),
229	init_3270 P((void)),
230	printoption P((char *, int, int)),
231	printsub P((int, unsigned char *, int)),
232	sendnaws P((void)),
233	setconnmode P((int)),
234	setcommandmode P((void)),
235	setneturg P((void)),
236	sys_telnet_init P((void)),
237	telnet P((char *)),
238	tel_enter_binary P((int)),
239	TerminalFlushOutput P((void)),
240	TerminalNewMode P((int)),
241	TerminalRestoreState P((void)),
242	TerminalSaveState P((void)),
243	tninit P((void)),
244	upcase P((char *)),
245	willoption P((int)),
246	wontoption P((int));
247
248	extern void
249	lm_will P((unsigned char *, int)),
250	lm_wont P((unsigned char *, int)),
251	lm_do P((unsigned char *, int)),
252	lm_dont P((unsigned char *, int)),
253	lm_mode P((unsigned char *, int, int));
254
255	extern void
256	slc_init P((void)),
257	slcstate P((void)),
258	slc_mode_export P((void)),
259	slc_mode_import P((int)),
260	slc_import P((int)),
261	slc_export P((void)),
262	slc P((unsigned char *, int)),
263	slc_check P((void)),
264	slc_start_reply P((void)),
265	slc_add_reply P((int, int, int)),
266	slc_end_reply P((void));
267	extern int
268	slc_update P((void));
269
270	extern void
271	env_opt P((unsigned char *, int)),
272	env_opt_start P((void)),
273	env_opt_start_info P((void)),
274	env_opt_add P((unsigned char *)),
275	env_opt_end P((int));
276
277	extern unsigned char
278	*env_default P((int)),
279	env_getvalue P((unsigned char ));
280
281	extern int
282	get_status P((void)),
283	dosynch P((void));
284
285	extern cc_t
286	*tcval P((int));
287
288	#ifndef USE_TERMIO
289
290	extern struct tchars ntc;
291	extern struct ltchars nltc;
292	extern struct sgttyb nttyb;
293
294	# define termEofChar ntc.t_eofc
295	# define termEraseChar nttyb.sg_erase
296	# define termFlushChar nltc.t_flushc
297	# define termIntChar ntc.t_intrc
298	# define termKillChar nttyb.sg_kill
299	# define termLiteralNextChar nltc.t_lnextc
300	# define termQuitChar ntc.t_quitc
301	# define termSuspChar nltc.t_suspc
302	# define termRprntChar nltc.t_rprntc
303	# define termWerasChar nltc.t_werasc
304	# define termStartChar ntc.t_startc
305	# define termStopChar ntc.t_stopc
306	# define termForw1Char ntc.t_brkc
307	extern cc_t termForw2Char;
308	extern cc_t termAytChar;
309
310	# define termEofCharp (cc_t *)&ntc.t_eofc
311	# define termEraseCharp (cc_t *)&nttyb.sg_erase
312	# define termFlushCharp (cc_t *)&nltc.t_flushc
313	# define termIntCharp (cc_t *)&ntc.t_intrc
314	# define termKillCharp (cc_t *)&nttyb.sg_kill
315	# define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
316	# define termQuitCharp (cc_t *)&ntc.t_quitc
317	# define termSuspCharp (cc_t *)&nltc.t_suspc
318	# define termRprntCharp (cc_t *)&nltc.t_rprntc
319	# define termWerasCharp (cc_t *)&nltc.t_werasc
320	# define termStartCharp (cc_t *)&ntc.t_startc
321	# define termStopCharp (cc_t *)&ntc.t_stopc
322	# define termForw1Charp (cc_t *)&ntc.t_brkc
323	# define termForw2Charp (cc_t *)&termForw2Char
324	# define termAytCharp (cc_t *)&termAytChar
325
326	# else
327
328	extern struct termio new_tc;
329
330	# define termEofChar new_tc.c_cc[VEOF]
331	# define termEraseChar new_tc.c_cc[VERASE]
332	# define termIntChar new_tc.c_cc[VINTR]
333	# define termKillChar new_tc.c_cc[VKILL]
334	# define termQuitChar new_tc.c_cc[VQUIT]
335
336	# ifndef VSUSP
337	extern cc_t termSuspChar;
338	# else
339	# define termSuspChar new_tc.c_cc[VSUSP]
340	# endif
341	# if defined(VFLUSHO) && !defined(VDISCARD)
342	# define VDISCARD VFLUSHO
343	# endif
344	# ifndef VDISCARD
345	extern cc_t termFlushChar;
346	# else
347	# define termFlushChar new_tc.c_cc[VDISCARD]
348	# endif
349	# ifndef VWERASE
350	extern cc_t termWerasChar;
351	# else
352	# define termWerasChar new_tc.c_cc[VWERASE]
353	# endif
354	# ifndef VREPRINT
355	extern cc_t termRprntChar;
356	# else
357	# define termRprntChar new_tc.c_cc[VREPRINT]
358	# endif
359	# ifndef VLNEXT
360	extern cc_t termLiteralNextChar;
361	# else
362	# define termLiteralNextChar new_tc.c_cc[VLNEXT]
363	# endif
364	# ifndef VSTART
365	extern cc_t termStartChar;
366	# else
367	# define termStartChar new_tc.c_cc[VSTART]
368	# endif
369	# ifndef VSTOP
370	extern cc_t termStopChar;
371	# else
372	# define termStopChar new_tc.c_cc[VSTOP]
373	# endif
374	# ifndef VEOL
375	extern cc_t termForw1Char;
376	# else
377	# define termForw1Char new_tc.c_cc[VEOL]
378	# endif
379	# ifndef VEOL2
380	extern cc_t termForw2Char;
381	# else
382	# define termForw2Char new_tc.c_cc[VEOL]
383	# endif
384	# ifndef VSTATUS
385	extern cc_t termAytChar;
386	#else
387	# define termAytChar new_tc.c_cc[VSTATUS]
388	#endif
389
390	# if !defined(CRAY) \|\| defined(__STDC__)
391	# define termEofCharp &termEofChar
392	# define termEraseCharp &termEraseChar
393	# define termIntCharp &termIntChar
394	# define termKillCharp &termKillChar
395	# define termQuitCharp &termQuitChar
396	# define termSuspCharp &termSuspChar
397	# define termFlushCharp &termFlushChar
398	# define termWerasCharp &termWerasChar
399	# define termRprntCharp &termRprntChar
400	# define termLiteralNextCharp &termLiteralNextChar
401	# define termStartCharp &termStartChar
402	# define termStopCharp &termStopChar
403	# define termForw1Charp &termForw1Char
404	# define termForw2Charp &termForw2Char
405	# define termAytCharp &termAytChar
406	# else
407	/* Work around a compiler bug */
408	# define termEofCharp 0
409	# define termEraseCharp 0
410	# define termIntCharp 0
411	# define termKillCharp 0
412	# define termQuitCharp 0
413	# define termSuspCharp 0
414	# define termFlushCharp 0
415	# define termWerasCharp 0
416	# define termRprntCharp 0
417	# define termLiteralNextCharp 0
418	# define termStartCharp 0
419	# define termStopCharp 0
420	# define termForw1Charp 0
421	# define termForw2Charp 0
422	# define termAytCharp 0
423	# endif
424	#endif
425
426
427	/* Ring buffer structures which are shared */
428
429	extern Ring
430	netoring,
431	netiring,
432	ttyoring,
433	ttyiring;
434
435	/* Tn3270 section */
436	#if defined(TN3270)
437
438	extern int
439	HaveInput, /* Whether an asynchronous I/O indication came in */
440	noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
441	noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
442	sigiocount, /* Count of SIGIO receptions */
443	shell_active; /* Subshell is active */
444
445	extern char
446	Ibackp, / Oldest byte of 3270 data */
447	Ibuf[], /* 3270 buffer */
448	Ifrontp, / Where next 3270 byte goes */
449	tline[],
450	transcom; / Transparent command */
451
452	extern void
453	settranscom P((int, char**));
454
455	extern int
456	shell P((int, char**));
457
458	extern void
459	inputAvailable P((void));
460	#endif /* defined(TN3270) */