478 lines
14 KiB
C
478 lines
14 KiB
C
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/*
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* Copyright (c) 1988, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)externs.h 8.2 (Berkeley) 12/15/93
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*/
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#ifndef BSD
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# define BSD 43
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#endif
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/*
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* ucb stdio.h defines BSD as something wierd
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*/
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#if defined(sun) && defined(__svr4__)
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#define BSD 43
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#endif
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#ifndef USE_TERMIO
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# if BSD > 43 || defined(SYSV_TERMIO)
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# define USE_TERMIO
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# endif
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#endif
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#include <stdio.h>
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#include <setjmp.h>
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#if defined(CRAY) && !defined(NO_BSD_SETJMP)
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#include <bsdsetjmp.h>
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#endif
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#ifndef FILIO_H
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#include <sys/ioctl.h>
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#else
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#include <sys/filio.h>
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#endif
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#ifdef CRAY
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# include <errno.h>
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#endif /* CRAY */
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#ifdef USE_TERMIO
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# ifndef VINTR
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# ifdef SYSV_TERMIO
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# include <sys/termio.h>
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# else
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# include <sys/termios.h>
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# define termio termios
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# endif
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# endif
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#endif
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#if defined(NO_CC_T) || !defined(USE_TERMIO)
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# if !defined(USE_TERMIO)
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typedef char cc_t;
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# else
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typedef unsigned char cc_t;
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# endif
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#endif
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#ifndef NO_STRING_H
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#include <string.h>
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#endif
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#include <strings.h>
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#ifndef _POSIX_VDISABLE
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# ifdef sun
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# include <sys/param.h> /* pick up VDISABLE definition, mayby */
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# endif
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# ifdef VDISABLE
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# define _POSIX_VDISABLE VDISABLE
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# else
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# define _POSIX_VDISABLE ((cc_t)'\377')
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# endif
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#endif
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#define SUBBUFSIZE 256
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#ifndef CRAY
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extern int errno; /* outside this world */
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#endif /* !CRAY */
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#if !defined(P)
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# ifdef __STDC__
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# define P(x) x
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# else
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# define P(x) ()
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# endif
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#endif
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extern int
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autologin, /* Autologin enabled */
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skiprc, /* Don't process the ~/.telnetrc file */
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eight, /* use eight bit mode (binary in and/or out */
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flushout, /* flush output */
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connected, /* Are we connected to the other side? */
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globalmode, /* Mode tty should be in */
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In3270, /* Are we in 3270 mode? */
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telnetport, /* Are we connected to the telnet port? */
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localflow, /* Flow control handled locally */
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restartany, /* If flow control, restart output on any character */
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localchars, /* we recognize interrupt/quit */
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donelclchars, /* the user has set "localchars" */
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showoptions,
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net, /* Network file descriptor */
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tin, /* Terminal input file descriptor */
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tout, /* Terminal output file descriptor */
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crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
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autoflush, /* flush output when interrupting? */
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autosynch, /* send interrupt characters with SYNCH? */
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SYNCHing, /* Is the stream in telnet SYNCH mode? */
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donebinarytoggle, /* the user has put us in binary */
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dontlecho, /* do we suppress local echoing right now? */
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crmod,
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netdata, /* Print out network data flow */
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prettydump, /* Print "netdata" output in user readable format */
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#if defined(unix)
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#if defined(TN3270)
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cursesdata, /* Print out curses data flow */
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apitrace, /* Trace API transactions */
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#endif /* defined(TN3270) */
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termdata, /* Print out terminal data flow */
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#endif /* defined(unix) */
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debug; /* Debug level */
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extern cc_t escape; /* Escape to command mode */
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extern cc_t rlogin; /* Rlogin mode escape character */
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#ifdef KLUDGELINEMODE
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extern cc_t echoc; /* Toggle local echoing */
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#endif
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extern char
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*prompt; /* Prompt for command. */
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extern char
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doopt[],
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dont[],
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will[],
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wont[],
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options[], /* All the little options */
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*hostname; /* Who are we connected to? */
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/*
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* We keep track of each side of the option negotiation.
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*/
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#define MY_STATE_WILL 0x01
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#define MY_WANT_STATE_WILL 0x02
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#define MY_STATE_DO 0x04
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#define MY_WANT_STATE_DO 0x08
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/*
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* Macros to check the current state of things
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*/
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#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
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#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
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#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
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#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
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#define my_state_is_dont(opt) (!my_state_is_do(opt))
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#define my_state_is_wont(opt) (!my_state_is_will(opt))
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#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
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#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
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#define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
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#define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
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#define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
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#define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
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#define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
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#define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
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#define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
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#define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
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/*
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* Make everything symetrical
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*/
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#define HIS_STATE_WILL MY_STATE_DO
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#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
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#define HIS_STATE_DO MY_STATE_WILL
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#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
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#define his_state_is_do my_state_is_will
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#define his_state_is_will my_state_is_do
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#define his_want_state_is_do my_want_state_is_will
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#define his_want_state_is_will my_want_state_is_do
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#define his_state_is_dont my_state_is_wont
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#define his_state_is_wont my_state_is_dont
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#define his_want_state_is_dont my_want_state_is_wont
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#define his_want_state_is_wont my_want_state_is_dont
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#define set_his_state_do set_my_state_will
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#define set_his_state_will set_my_state_do
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#define set_his_want_state_do set_my_want_state_will
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#define set_his_want_state_will set_my_want_state_do
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#define set_his_state_dont set_my_state_wont
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#define set_his_state_wont set_my_state_dont
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#define set_his_want_state_dont set_my_want_state_wont
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#define set_his_want_state_wont set_my_want_state_dont
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extern FILE
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*NetTrace; /* Where debugging output goes */
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extern unsigned char
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NetTraceFile[]; /* Name of file where debugging output goes */
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extern void
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SetNetTrace P((char *)); /* Function to change where debugging goes */
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extern jmp_buf
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peerdied,
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toplevel; /* For error conditions. */
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extern void
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command P((int, char *, int)),
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Dump P((int, unsigned char *, int)),
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init_3270 P((void)),
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printoption P((char *, int, int)),
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printsub P((int, unsigned char *, int)),
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sendnaws P((void)),
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setconnmode P((int)),
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setcommandmode P((void)),
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setneturg P((void)),
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sys_telnet_init P((void)),
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telnet P((char *)),
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tel_enter_binary P((int)),
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TerminalFlushOutput P((void)),
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TerminalNewMode P((int)),
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TerminalRestoreState P((void)),
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TerminalSaveState P((void)),
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tninit P((void)),
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upcase P((char *)),
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willoption P((int)),
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wontoption P((int));
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extern void
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send_do P((int, int)),
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send_dont P((int, int)),
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send_will P((int, int)),
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send_wont P((int, int));
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extern void
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lm_will P((unsigned char *, int)),
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lm_wont P((unsigned char *, int)),
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lm_do P((unsigned char *, int)),
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lm_dont P((unsigned char *, int)),
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lm_mode P((unsigned char *, int, int));
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extern void
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slc_init P((void)),
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slcstate P((void)),
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slc_mode_export P((void)),
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slc_mode_import P((int)),
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slc_import P((int)),
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slc_export P((void)),
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slc P((unsigned char *, int)),
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slc_check P((void)),
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slc_start_reply P((void)),
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slc_add_reply P((int, int, int)),
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slc_end_reply P((void));
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extern int
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slc_update P((void));
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extern void
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env_opt P((unsigned char *, int)),
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env_opt_start P((void)),
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env_opt_start_info P((void)),
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env_opt_add P((unsigned char *)),
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env_opt_end P((int));
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extern unsigned char
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*env_default P((int, int)),
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*env_getvalue P((unsigned char *));
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extern int
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get_status P((void)),
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dosynch P((void));
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extern cc_t
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*tcval P((int));
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#ifndef USE_TERMIO
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extern struct tchars ntc;
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extern struct ltchars nltc;
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extern struct sgttyb nttyb;
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# define termEofChar ntc.t_eofc
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# define termEraseChar nttyb.sg_erase
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# define termFlushChar nltc.t_flushc
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# define termIntChar ntc.t_intrc
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# define termKillChar nttyb.sg_kill
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# define termLiteralNextChar nltc.t_lnextc
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# define termQuitChar ntc.t_quitc
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# define termSuspChar nltc.t_suspc
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# define termRprntChar nltc.t_rprntc
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# define termWerasChar nltc.t_werasc
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# define termStartChar ntc.t_startc
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# define termStopChar ntc.t_stopc
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# define termForw1Char ntc.t_brkc
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extern cc_t termForw2Char;
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extern cc_t termAytChar;
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# define termEofCharp (cc_t *)&ntc.t_eofc
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# define termEraseCharp (cc_t *)&nttyb.sg_erase
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# define termFlushCharp (cc_t *)&nltc.t_flushc
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# define termIntCharp (cc_t *)&ntc.t_intrc
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# define termKillCharp (cc_t *)&nttyb.sg_kill
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# define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
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# define termQuitCharp (cc_t *)&ntc.t_quitc
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# define termSuspCharp (cc_t *)&nltc.t_suspc
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# define termRprntCharp (cc_t *)&nltc.t_rprntc
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# define termWerasCharp (cc_t *)&nltc.t_werasc
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# define termStartCharp (cc_t *)&ntc.t_startc
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# define termStopCharp (cc_t *)&ntc.t_stopc
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# define termForw1Charp (cc_t *)&ntc.t_brkc
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# define termForw2Charp (cc_t *)&termForw2Char
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# define termAytCharp (cc_t *)&termAytChar
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# else
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extern struct termio new_tc;
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# define termEofChar new_tc.c_cc[VEOF]
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# define termEraseChar new_tc.c_cc[VERASE]
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# define termIntChar new_tc.c_cc[VINTR]
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# 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) */
|