usr/src/usr.bin/telnet/externs.h

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of California at Berkeley. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 *
 *      @(#)externs.h   1.10 (Berkeley) %G%
 */

#include <stdio.h>
#include <setjmp.h>

#define SUBBUFSIZE      100

extern int errno;               /* outside this world */

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

extern int
    flushout,           /* flush output */
    connected,          /* Are we connected to the other side? */
    globalmode,         /* Mode tty should be in */
    In3270,                     /* Are we in 3270 mode? */
    telnetport,         /* Are we connected to the telnet port? */
    localchars,         /* we recognize interrupt/quit */
    donelclchars,               /* the user has set "localchars" */
    showoptions,
    net,
    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 */
    debug;                      /* Debug level */

extern char
    echoc,                      /* Toggle local echoing */
    escape,                     /* Escape to command mode */
    doopt[],
    dont[],
    will[],
    wont[],
    hisopts[],
    myopts[],
    *hostname,          /* Who are we connected to? */
    *prompt;            /* Prompt for command. */

extern FILE
    *NetTrace;          /* Where debugging output goes */

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

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

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

extern char
    termEofChar,
    termEraseChar,
    termFlushChar,
    termIntChar,
    termKillChar,
    termLiteralNextChar,
    termQuitChar;

/* 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 */
    noasynch,           /* Don't do signals on I/O (SIGURG, SIGIO) */
    shell_active;       /* Subshell is active */

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

extern int
    settranscom();

extern void
    inputAvailable();
#endif  /* defined(TN3270) */