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freebsd-skq/usr.bin/telnet/externs.h
Bill Fumerola 60453219bd Add "-N" option to supress reverse name lookup. 
This comes in really handy when you're telneting the broken DNS server by
IP.

PR:		bin/8698
1998-12-14 22:40:39 +00:00

480 lines
14 KiB
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/*
* Copyright (c) 1988, 1990, 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.
*
* @(#)externs.h 8.2 (Berkeley) 12/15/93
*/
#ifndef BSD
# define BSD 43
#endif
/*
* ucb stdio.h defines BSD as something wierd
*/
#if defined(sun) && defined(__svr4__)
#define BSD 43
#endif
#ifndef USE_TERMIO
# if BSD > 43 || defined(SYSV_TERMIO)
# define USE_TERMIO
# endif
#endif
#include <stdio.h>
#include <setjmp.h>
#if defined(CRAY) && !defined(NO_BSD_SETJMP)
#include <bsdsetjmp.h>
#endif
#ifndef FILIO_H
#include <sys/ioctl.h>
#else
#include <sys/filio.h>
#endif
#ifdef CRAY
# include <errno.h>
#endif /* CRAY */
#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
#ifndef CRAY
extern int errno; /* outside this world */
#endif /* !CRAY */
#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 */
restartany, /* If flow control, restart output on any character */
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 */
doaddrlookup, /* do a reverse lookup? */
clienteof; /* Client received EOF */
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? */
/*
* 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
send_do P((int, int)),
send_dont P((int, int)),
send_will P((int, int)),
send_wont P((int, 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, 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 int
settranscom P((int, char**));
extern void
inputAvailable P((int));
#endif /* defined(TN3270) */
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