externs.h revision 1.6 1 /*
2 * Copyright (c) 1988, 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)externs.h 8.3 (Berkeley) 5/30/95
34 * $NetBSD: externs.h,v 1.6 1996/02/24 01:18:36 jtk Exp $
35 */
36
37 #ifndef BSD
38 # define BSD 43
39 #endif
40
41 /*
42 * ucb stdio.h defines BSD as something wierd
43 */
44 #if defined(sun) && defined(__svr4__)
45 #define BSD 43
46 #endif
47
48 #ifndef USE_TERMIO
49 # if BSD > 43 || defined(SYSV_TERMIO)
50 # define USE_TERMIO
51 # endif
52 #endif
53
54 #include <stdio.h>
55 #include <stdlib.h>
56 #include <setjmp.h>
57 #if defined(CRAY) && !defined(NO_BSD_SETJMP)
58 #include <bsdsetjmp.h>
59 #endif
60 #ifndef FILIO_H
61 #include <sys/ioctl.h>
62 #else
63 #include <sys/filio.h>
64 #endif
65 #ifdef CRAY
66 # include <errno.h>
67 #endif /* CRAY */
68 #ifdef USE_TERMIO
69 # ifndef VINTR
70 # ifdef SYSV_TERMIO
71 # include <sys/termio.h>
72 # else
73 # include <sys/termios.h>
74 # define termio termios
75 # endif
76 # endif
77 #endif
78 #if defined(NO_CC_T) || !defined(USE_TERMIO)
79 # if !defined(USE_TERMIO)
80 typedef char cc_t;
81 # else
82 typedef unsigned char cc_t;
83 # endif
84 #endif
85
86 #ifndef NO_STRING_H
87 #include <string.h>
88 #else
89 #include <strings.h>
90 #endif
91
92 #ifndef _POSIX_VDISABLE
93 # ifdef sun
94 # include <sys/param.h> /* pick up VDISABLE definition, mayby */
95 # endif
96 # ifdef VDISABLE
97 # define _POSIX_VDISABLE VDISABLE
98 # else
99 # define _POSIX_VDISABLE ((cc_t)'\377')
100 # endif
101 #endif
102
103 #define SUBBUFSIZE 256
104
105 #ifndef CRAY
106 extern int errno; /* outside this world */
107 #endif /* !CRAY */
108
109 #include <sys/cdefs.h>
110 #define P __P
111
112 extern int
113 autologin, /* Autologin enabled */
114 skiprc, /* Don't process the ~/.telnetrc file */
115 eight, /* use eight bit mode (binary in and/or out */
116 flushout, /* flush output */
117 connected, /* Are we connected to the other side? */
118 globalmode, /* Mode tty should be in */
119 In3270, /* Are we in 3270 mode? */
120 telnetport, /* Are we connected to the telnet port? */
121 localflow, /* Flow control handled locally */
122 restartany, /* If flow control, restart output on any character */
123 localchars, /* we recognize interrupt/quit */
124 donelclchars, /* the user has set "localchars" */
125 showoptions,
126 net, /* Network file descriptor */
127 tin, /* Terminal input file descriptor */
128 tout, /* Terminal output file descriptor */
129 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
130 autoflush, /* flush output when interrupting? */
131 autosynch, /* send interrupt characters with SYNCH? */
132 SYNCHing, /* Is the stream in telnet SYNCH mode? */
133 donebinarytoggle, /* the user has put us in binary */
134 dontlecho, /* do we suppress local echoing right now? */
135 crmod,
136 netdata, /* Print out network data flow */
137 prettydump, /* Print "netdata" output in user readable format */
138 #if defined(unix)
139 #if defined(TN3270)
140 cursesdata, /* Print out curses data flow */
141 apitrace, /* Trace API transactions */
142 #endif /* defined(TN3270) */
143 termdata, /* Print out terminal data flow */
144 #endif /* defined(unix) */
145 debug; /* Debug level */
146
147 extern cc_t escape; /* Escape to command mode */
148 extern cc_t rlogin; /* Rlogin mode escape character */
149 #ifdef KLUDGELINEMODE
150 extern cc_t echoc; /* Toggle local echoing */
151 #endif
152
153 extern char
154 *prompt; /* Prompt for command. */
155
156 extern char
157 doopt[],
158 dont[],
159 will[],
160 wont[],
161 options[], /* All the little options */
162 *hostname; /* Who are we connected to? */
163
164 /*
165 * We keep track of each side of the option negotiation.
166 */
167
168 #define MY_STATE_WILL 0x01
169 #define MY_WANT_STATE_WILL 0x02
170 #define MY_STATE_DO 0x04
171 #define MY_WANT_STATE_DO 0x08
172
173 /*
174 * Macros to check the current state of things
175 */
176
177 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
178 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
179 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
180 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
181
182 #define my_state_is_dont(opt) (!my_state_is_do(opt))
183 #define my_state_is_wont(opt) (!my_state_is_will(opt))
184 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
185 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
186
187 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
188 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
189 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
190 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
191
192 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
193 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
194 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
195 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
196
197 /*
198 * Make everything symetrical
199 */
200
201 #define HIS_STATE_WILL MY_STATE_DO
202 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
203 #define HIS_STATE_DO MY_STATE_WILL
204 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
205
206 #define his_state_is_do my_state_is_will
207 #define his_state_is_will my_state_is_do
208 #define his_want_state_is_do my_want_state_is_will
209 #define his_want_state_is_will my_want_state_is_do
210
211 #define his_state_is_dont my_state_is_wont
212 #define his_state_is_wont my_state_is_dont
213 #define his_want_state_is_dont my_want_state_is_wont
214 #define his_want_state_is_wont my_want_state_is_dont
215
216 #define set_his_state_do set_my_state_will
217 #define set_his_state_will set_my_state_do
218 #define set_his_want_state_do set_my_want_state_will
219 #define set_his_want_state_will set_my_want_state_do
220
221 #define set_his_state_dont set_my_state_wont
222 #define set_his_state_wont set_my_state_dont
223 #define set_his_want_state_dont set_my_want_state_wont
224 #define set_his_want_state_wont set_my_want_state_dont
225
226
227 extern FILE
228 *NetTrace; /* Where debugging output goes */
229 extern unsigned char
230 NetTraceFile[]; /* Name of file where debugging output goes */
231 extern void
232 SetNetTrace P((char *)); /* Function to change where debugging goes */
233
234 extern jmp_buf
235 peerdied,
236 toplevel; /* For error conditions. */
237
238 extern void
239 command P((int, char *, int)),
240 Dump P((int, unsigned char *, int)),
241 init_3270 P((void)),
242 printoption P((char *, int, int)),
243 printsub P((int, unsigned char *, int)),
244 sendnaws P((void)),
245 setconnmode P((int)),
246 setcommandmode P((void)),
247 setneturg P((void)),
248 sys_telnet_init P((void)),
249 telnet P((char *)),
250 tel_enter_binary P((int)),
251 TerminalFlushOutput P((void)),
252 TerminalNewMode P((int)),
253 TerminalRestoreState P((void)),
254 TerminalSaveState P((void)),
255 tninit P((void)),
256 upcase P((char *)),
257 willoption P((int)),
258 wontoption P((int));
259
260 extern void
261 send_do P((int, int)),
262 send_dont P((int, int)),
263 send_will P((int, int)),
264 send_wont P((int, int));
265
266 extern void
267 lm_will P((unsigned char *, int)),
268 lm_wont P((unsigned char *, int)),
269 lm_do P((unsigned char *, int)),
270 lm_dont P((unsigned char *, int)),
271 lm_mode P((unsigned char *, int, int));
272
273 extern void
274 slc_init P((void)),
275 slcstate P((void)),
276 slc_mode_export P((void)),
277 slc_mode_import P((int)),
278 slc_import P((int)),
279 slc_export P((void)),
280 slc P((unsigned char *, int)),
281 slc_check P((void)),
282 slc_start_reply P((void)),
283 slc_add_reply P((int, int, int)),
284 slc_end_reply P((void));
285 extern int
286 slc_update P((void));
287
288 extern void
289 env_opt P((unsigned char *, int)),
290 env_opt_start P((void)),
291 env_opt_start_info P((void)),
292 env_opt_add P((unsigned char *)),
293 env_opt_end P((int));
294
295 extern unsigned char
296 *env_default P((int, int)),
297 *env_getvalue P((unsigned char *));
298
299 extern int
300 get_status P((void)),
301 dosynch P((void));
302
303 extern cc_t
304 *tcval P((int));
305
306 #ifndef USE_TERMIO
307
308 extern struct tchars ntc;
309 extern struct ltchars nltc;
310 extern struct sgttyb nttyb;
311
312 # define termEofChar ntc.t_eofc
313 # define termEraseChar nttyb.sg_erase
314 # define termFlushChar nltc.t_flushc
315 # define termIntChar ntc.t_intrc
316 # define termKillChar nttyb.sg_kill
317 # define termLiteralNextChar nltc.t_lnextc
318 # define termQuitChar ntc.t_quitc
319 # define termSuspChar nltc.t_suspc
320 # define termRprntChar nltc.t_rprntc
321 # define termWerasChar nltc.t_werasc
322 # define termStartChar ntc.t_startc
323 # define termStopChar ntc.t_stopc
324 # define termForw1Char ntc.t_brkc
325 extern cc_t termForw2Char;
326 extern cc_t termAytChar;
327
328 # define termEofCharp (cc_t *)&ntc.t_eofc
329 # define termEraseCharp (cc_t *)&nttyb.sg_erase
330 # define termFlushCharp (cc_t *)&nltc.t_flushc
331 # define termIntCharp (cc_t *)&ntc.t_intrc
332 # define termKillCharp (cc_t *)&nttyb.sg_kill
333 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
334 # define termQuitCharp (cc_t *)&ntc.t_quitc
335 # define termSuspCharp (cc_t *)&nltc.t_suspc
336 # define termRprntCharp (cc_t *)&nltc.t_rprntc
337 # define termWerasCharp (cc_t *)&nltc.t_werasc
338 # define termStartCharp (cc_t *)&ntc.t_startc
339 # define termStopCharp (cc_t *)&ntc.t_stopc
340 # define termForw1Charp (cc_t *)&ntc.t_brkc
341 # define termForw2Charp (cc_t *)&termForw2Char
342 # define termAytCharp (cc_t *)&termAytChar
343
344 # else
345
346 extern struct termio new_tc;
347
348 # define termEofChar new_tc.c_cc[VEOF]
349 # define termEraseChar new_tc.c_cc[VERASE]
350 # define termIntChar new_tc.c_cc[VINTR]
351 # define termKillChar new_tc.c_cc[VKILL]
352 # define termQuitChar new_tc.c_cc[VQUIT]
353
354 # ifndef VSUSP
355 extern cc_t termSuspChar;
356 # else
357 # define termSuspChar new_tc.c_cc[VSUSP]
358 # endif
359 # if defined(VFLUSHO) && !defined(VDISCARD)
360 # define VDISCARD VFLUSHO
361 # endif
362 # ifndef VDISCARD
363 extern cc_t termFlushChar;
364 # else
365 # define termFlushChar new_tc.c_cc[VDISCARD]
366 # endif
367 # ifndef VWERASE
368 extern cc_t termWerasChar;
369 # else
370 # define termWerasChar new_tc.c_cc[VWERASE]
371 # endif
372 # ifndef VREPRINT
373 extern cc_t termRprntChar;
374 # else
375 # define termRprntChar new_tc.c_cc[VREPRINT]
376 # endif
377 # ifndef VLNEXT
378 extern cc_t termLiteralNextChar;
379 # else
380 # define termLiteralNextChar new_tc.c_cc[VLNEXT]
381 # endif
382 # ifndef VSTART
383 extern cc_t termStartChar;
384 # else
385 # define termStartChar new_tc.c_cc[VSTART]
386 # endif
387 # ifndef VSTOP
388 extern cc_t termStopChar;
389 # else
390 # define termStopChar new_tc.c_cc[VSTOP]
391 # endif
392 # ifndef VEOL
393 extern cc_t termForw1Char;
394 # else
395 # define termForw1Char new_tc.c_cc[VEOL]
396 # endif
397 # ifndef VEOL2
398 extern cc_t termForw2Char;
399 # else
400 # define termForw2Char new_tc.c_cc[VEOL]
401 # endif
402 # ifndef VSTATUS
403 extern cc_t termAytChar;
404 #else
405 # define termAytChar new_tc.c_cc[VSTATUS]
406 #endif
407
408 # if !defined(CRAY) || defined(__STDC__)
409 # define termEofCharp &termEofChar
410 # define termEraseCharp &termEraseChar
411 # define termIntCharp &termIntChar
412 # define termKillCharp &termKillChar
413 # define termQuitCharp &termQuitChar
414 # define termSuspCharp &termSuspChar
415 # define termFlushCharp &termFlushChar
416 # define termWerasCharp &termWerasChar
417 # define termRprntCharp &termRprntChar
418 # define termLiteralNextCharp &termLiteralNextChar
419 # define termStartCharp &termStartChar
420 # define termStopCharp &termStopChar
421 # define termForw1Charp &termForw1Char
422 # define termForw2Charp &termForw2Char
423 # define termAytCharp &termAytChar
424 # else
425 /* Work around a compiler bug */
426 # define termEofCharp 0
427 # define termEraseCharp 0
428 # define termIntCharp 0
429 # define termKillCharp 0
430 # define termQuitCharp 0
431 # define termSuspCharp 0
432 # define termFlushCharp 0
433 # define termWerasCharp 0
434 # define termRprntCharp 0
435 # define termLiteralNextCharp 0
436 # define termStartCharp 0
437 # define termStopCharp 0
438 # define termForw1Charp 0
439 # define termForw2Charp 0
440 # define termAytCharp 0
441 # endif
442 #endif
443
444
445 /* Ring buffer structures which are shared */
446
447 extern Ring
448 netoring,
449 netiring,
450 ttyoring,
451 ttyiring;
452
453 /* Tn3270 section */
454 #if defined(TN3270)
455
456 extern int
457 HaveInput, /* Whether an asynchronous I/O indication came in */
458 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
459 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
460 sigiocount, /* Count of SIGIO receptions */
461 shell_active; /* Subshell is active */
462
463 extern char
464 *Ibackp, /* Oldest byte of 3270 data */
465 Ibuf[], /* 3270 buffer */
466 *Ifrontp, /* Where next 3270 byte goes */
467 tline[],
468 *transcom; /* Transparent command */
469
470 extern int
471 settranscom P((int, char**));
472
473 extern void
474 inputAvailable P((int));
475 #endif /* defined(TN3270) */
476