413 lines
13 KiB
C
413 lines
13 KiB
C
/* $NetBSD: externs.h,v 1.38 2016/10/04 14:35:38 joerg Exp $ */
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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. 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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* from: @(#)externs.h 8.3 (Berkeley) 5/30/95
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <setjmp.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <sys/termios.h>
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#include <string.h>
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#if defined(IPSEC)
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#include <netipsec/ipsec.h>
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#if defined(IPSEC_POLICY_IPSEC)
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extern char *ipsec_policy_in;
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extern char *ipsec_policy_out;
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#endif
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#endif
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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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#include <sys/cdefs.h>
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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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family, /* address family of peer */
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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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#ifdef 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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telnet_debug, /* Debug level */
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doaddrlookup, /* do a reverse address lookup? */
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clienteof; /* Client received EOF */
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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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#ifdef ENCRYPTION
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extern void (*encrypt_output)(unsigned char *, int);
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extern int (*decrypt_input)(int);
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#endif /* ENCRYPTION */
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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 symmetrical
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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 char
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NetTraceFile[]; /* Name of file where debugging output goes */
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extern jmp_buf
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toplevel; /* For error conditions. */
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/* authenc.c */
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int telnet_net_write(unsigned char *, int);
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void net_encrypt(void);
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int telnet_spin(void);
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char *telnet_getenv(char *);
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char *telnet_gets(char *, char *, int, int);
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/* commands.c */
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int send_tncmd(void (*)(int, int), const char *, char *);
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void _setlist_init(void);
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void set_escape_char(char *);
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int set_mode(int);
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int clear_mode(int);
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int modehelp(int);
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int suspend(int, char *[]);
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int shell(int, char *[]);
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int quit(int, char *[]);
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int logout(int, char *[]);
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int env_cmd(int, char *[]);
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struct env_lst *env_find(const unsigned char *);
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void env_init(void);
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struct env_lst *env_define(const unsigned char *, unsigned char *);
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struct env_lst *env_undefine(const unsigned char *, unsigned char *);
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struct env_lst *env_export(const unsigned char *, unsigned char *);
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struct env_lst *env_unexport(const unsigned char *, unsigned char *);
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struct env_lst *env_send(const unsigned char *, unsigned char *);
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struct env_lst *env_list(const unsigned char *, unsigned char *);
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unsigned char *env_default(int, int );
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unsigned char *env_getvalue(const unsigned char *);
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void env_varval(const unsigned char *);
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int auth_cmd(int, char *[]);
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int ayt_status(void);
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int encrypt_cmd(int, char *[]);
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int tn(int, char *[]);
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void command(int, const char *, int);
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void cmdrc(const char *, const char *);
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struct addrinfo;
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/* main.c */
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void tninit(void);
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void usage(void) __dead;
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/* network.c */
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void init_network(void);
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int stilloob(void);
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void setneturg(void);
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int netflush(void);
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/* sys_bsd.c */
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void init_sys(void);
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int TerminalWrite(char *, int);
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int TerminalRead(unsigned char *, int);
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int TerminalAutoFlush(void);
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int TerminalSpecialChars(int);
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void TerminalFlushOutput(void);
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void TerminalSaveState(void);
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cc_t *tcval(int);
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void TerminalDefaultChars(void);
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void TerminalRestoreState(void);
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void TerminalNewMode(int);
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void TerminalSpeeds(long *, long *);
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int TerminalWindowSize(long *, long *);
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int NetClose(int);
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void NetNonblockingIO(int, int);
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void NetSigIO(int, int);
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void NetSetPgrp(int);
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void sys_telnet_init(void);
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int process_rings(int , int , int , int , int , int);
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/* telnet.c */
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void init_telnet(void);
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void send_do(int, int );
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void send_dont(int, int );
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void send_will(int, int );
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void send_wont(int, int );
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void willoption(int);
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void wontoption(int);
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char **mklist(char *, char *);
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int is_unique(char *, char **, char **);
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int setup_term(char *, int, int *);
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char *gettermname(void);
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void lm_will(unsigned char *, int);
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void lm_wont(unsigned char *, int);
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void lm_do(unsigned char *, int);
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void lm_dont(unsigned char *, int);
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void lm_mode(unsigned char *, int, int );
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void slc_init(void);
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void slcstate(void);
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void slc_mode_export(int);
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void slc_mode_import(int);
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void slc_import(int);
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void slc_export(void);
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void slc(unsigned char *, int);
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void slc_check(void);
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void slc_start_reply(void);
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void slc_add_reply(unsigned int, unsigned int, cc_t);
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void slc_end_reply(void);
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int slc_update(void);
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void env_opt(unsigned char *, int);
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void env_opt_start(void);
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void env_opt_start_info(void);
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void env_opt_add(unsigned char *);
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int opt_welldefined(const char *);
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void env_opt_end(int);
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int telrcv(void);
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int rlogin_susp(void);
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int Scheduler(int);
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void telnet(const char *);
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void xmitAO(void);
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void xmitEL(void);
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void xmitEC(void);
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int dosynch(char *);
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int get_status(char *);
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void intp(void);
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void sendbrk(void);
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void sendabort(void);
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void sendsusp(void);
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void sendeof(void);
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void sendayt(void);
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void sendnaws(void);
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void tel_enter_binary(int);
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void tel_leave_binary(int);
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/* terminal.c */
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void init_terminal(void);
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int ttyflush(int);
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int getconnmode(void);
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void setconnmode(int);
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void setcommandmode(void);
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/* utilities.c */
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void upcase(char *);
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int SetSockOpt(int, int, int, int);
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void SetNetTrace(char *);
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void Dump(int, unsigned char *, int);
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void printoption(const char *, int, int );
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void optionstatus(void);
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void printsub(int, unsigned char *, int);
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void EmptyTerminal(void);
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void SetForExit(void);
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void Exit(int) __attribute__((__noreturn__));
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void ExitString(const char *, int) __attribute__((__noreturn__));
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extern struct termios 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]
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# define termQuitChar new_tc.c_cc[VQUIT]
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# define termSuspChar new_tc.c_cc[VSUSP]
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# define termFlushChar new_tc.c_cc[VDISCARD]
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# define termWerasChar new_tc.c_cc[VWERASE]
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# define termRprntChar new_tc.c_cc[VREPRINT]
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# define termLiteralNextChar new_tc.c_cc[VLNEXT]
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# define termStartChar new_tc.c_cc[VSTART]
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# define termStopChar new_tc.c_cc[VSTOP]
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# define termForw1Char new_tc.c_cc[VEOL]
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# define termForw2Char new_tc.c_cc[VEOL]
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# define termAytChar new_tc.c_cc[VSTATUS]
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# define termEofCharp &termEofChar
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# define termEraseCharp &termEraseChar
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# define termIntCharp &termIntChar
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# define termKillCharp &termKillChar
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# define termQuitCharp &termQuitChar
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# define termSuspCharp &termSuspChar
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# define termFlushCharp &termFlushChar
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# define termWerasCharp &termWerasChar
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# define termRprntCharp &termRprntChar
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# define termLiteralNextCharp &termLiteralNextChar
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# define termStartCharp &termStartChar
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# define termStopCharp &termStopChar
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# define termForw1Charp &termForw1Char
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# define termForw2Charp &termForw2Char
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# define termAytCharp &termAytChar
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/* Tn3270 section */
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#if defined(TN3270)
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extern int
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HaveInput, /* Whether an asynchronous I/O indication came in */
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noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
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noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
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sigiocount, /* Count of SIGIO receptions */
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shell_active; /* Subshell is active */
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extern char
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*Ibackp, /* Oldest byte of 3270 data */
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Ibuf[], /* 3270 buffer */
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*Ifrontp, /* Where next 3270 byte goes */
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tline[200],
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*transcom; /* Transparent command */
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/* tn3270.c */
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void init_3270(void);
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int DataToNetwork(char *, int, int);
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void inputAvailable(int);
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void outputPurge(void);
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int DataToTerminal(char *, int);
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int Push3270(void);
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void Finish3270(void);
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void StringToTerminal(char *);
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int _putchar(int);
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void SetIn3270(void);
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int tn3270_ttype(void);
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int settranscom(int, char *[]);
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int shell_continue(void);
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int DataFromTerminal(char *, int);
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int DataFromNetwork(char *, int, int);
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void ConnectScreen(void);
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int DoTerminalOutput(void);
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#endif /* defined(TN3270) */
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