home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 1988, 1990 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted provided
- * that: (1) source distributions retain this entire copyright notice and
- * comment, and (2) distributions including binaries display the following
- * acknowledgement: ``This product includes software developed by the
- * University of California, Berkeley and its contributors'' in the
- * documentation or other materials provided with the distribution and in
- * all advertising materials mentioning features or use of this software.
- * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#)externs.h 5.1 (Berkeley) 9/14/90
- */
-
- #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 _POSIX_VDISABLE
- # ifdef sun
- # include <sys/param.h> /* pick up VDISABLE definition, mayby */
- # endif
- # ifdef VDISABLE
- # define _POSIX_VDISABLE VDISABLE
- # else
- # define _POSIX_VDISABLE ((unsigned char)'\377')
- # endif
- #endif
-
- #define SUBBUFSIZE 256
-
- extern struct Library *SockBase;
- 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 */
- 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 */
- #ifdef KERBEROS
- kerberized, /* Try to use Kerberos */
- #endif
- prettydump, /* Print "netdata" output in user readable format */
- #if defined(unix)
- termdata, /* Print out terminal data flow */
- #endif /* defined(unix) */
- debug; /* Debug level */
-
- extern cc_t escape; /* Escape to command mode */
- #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(); /* Function to change where debugging goes */
-
- extern jmp_buf
- peerdied,
- toplevel; /* For error conditions. */
-
- extern void
- command(),
- #if !defined(NOT43)
- dosynch(),
- #endif /* !defined(NOT43) */
- get_status(),
- Dump(),
- printoption(),
- printsub(),
- sendnaws(),
- setconnmode(),
- setcommandmode(),
- setneturg(),
- sys_telnet_init(),
- telnet(),
- TerminalFlushOutput(),
- TerminalNewMode(),
- TerminalRestoreState(),
- TerminalSaveState(),
- tninit(),
- upcase(),
- willoption(),
- wontoption();
-
- #if defined(NOT43)
- extern int
- dosynch();
- #endif /* defined(NOT43) */
-
- #ifndef USE_TERMIO
-
- #ifndef __SASC
- #include <sgtty.h>
- #endif
-
- 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;
-
-