externs.h revision 1.8
1 /* $NetBSD: externs.h,v 1.8 1996/02/28 21:03:58 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)externs.h 8.3 (Berkeley) 5/30/95 36 */ 37 38 #ifndef BSD 39 # define BSD 43 40 #endif 41 42 /* 43 * ucb stdio.h defines BSD as something wierd 44 */ 45 #if defined(sun) && defined(__svr4__) 46 #define BSD 43 47 #endif 48 49 #ifndef USE_TERMIO 50 # if BSD > 43 || defined(SYSV_TERMIO) 51 # define USE_TERMIO 52 # endif 53 #endif 54 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <setjmp.h> 58 #if defined(CRAY) && !defined(NO_BSD_SETJMP) 59 #include <bsdsetjmp.h> 60 #endif 61 #ifndef FILIO_H 62 #include <sys/ioctl.h> 63 #else 64 #include <sys/filio.h> 65 #endif 66 #ifdef CRAY 67 # include <errno.h> 68 #endif /* CRAY */ 69 #ifdef USE_TERMIO 70 # ifndef VINTR 71 # ifdef SYSV_TERMIO 72 # include <sys/termio.h> 73 # else 74 # include <sys/termios.h> 75 # define termio termios 76 # endif 77 # endif 78 #endif 79 #if defined(NO_CC_T) || !defined(USE_TERMIO) 80 # if !defined(USE_TERMIO) 81 typedef char cc_t; 82 # else 83 typedef unsigned char cc_t; 84 # endif 85 #endif 86 87 #ifndef NO_STRING_H 88 #include <string.h> 89 #else 90 #include <strings.h> 91 #endif 92 93 #ifndef _POSIX_VDISABLE 94 # ifdef sun 95 # include <sys/param.h> /* pick up VDISABLE definition, mayby */ 96 # endif 97 # ifdef VDISABLE 98 # define _POSIX_VDISABLE VDISABLE 99 # else 100 # define _POSIX_VDISABLE ((cc_t)'\377') 101 # endif 102 #endif 103 104 #define SUBBUFSIZE 256 105 106 #ifndef CRAY 107 extern int errno; /* outside this world */ 108 #endif /* !CRAY */ 109 110 #include <sys/cdefs.h> 111 #define P __P 112 113 extern int 114 autologin, /* Autologin enabled */ 115 skiprc, /* Don't process the ~/.telnetrc file */ 116 eight, /* use eight bit mode (binary in and/or out */ 117 flushout, /* flush output */ 118 connected, /* Are we connected to the other side? */ 119 globalmode, /* Mode tty should be in */ 120 In3270, /* Are we in 3270 mode? */ 121 telnetport, /* Are we connected to the telnet port? */ 122 localflow, /* Flow control handled locally */ 123 restartany, /* If flow control, restart output on any character */ 124 localchars, /* we recognize interrupt/quit */ 125 donelclchars, /* the user has set "localchars" */ 126 showoptions, 127 net, /* Network file descriptor */ 128 tin, /* Terminal input file descriptor */ 129 tout, /* Terminal output file descriptor */ 130 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */ 131 autoflush, /* flush output when interrupting? */ 132 autosynch, /* send interrupt characters with SYNCH? */ 133 SYNCHing, /* Is the stream in telnet SYNCH mode? */ 134 donebinarytoggle, /* the user has put us in binary */ 135 dontlecho, /* do we suppress local echoing right now? */ 136 crmod, 137 netdata, /* Print out network data flow */ 138 prettydump, /* Print "netdata" output in user readable format */ 139 #if defined(unix) 140 #if defined(TN3270) 141 cursesdata, /* Print out curses data flow */ 142 apitrace, /* Trace API transactions */ 143 #endif /* defined(TN3270) */ 144 termdata, /* Print out terminal data flow */ 145 #endif /* defined(unix) */ 146 debug, /* Debug level */ 147 clienteof; /* Client received EOF */ 148 149 extern cc_t escape; /* Escape to command mode */ 150 extern cc_t rlogin; /* Rlogin mode escape character */ 151 #ifdef KLUDGELINEMODE 152 extern cc_t echoc; /* Toggle local echoing */ 153 #endif 154 155 extern char 156 *prompt; /* Prompt for command. */ 157 158 extern char 159 doopt[], 160 dont[], 161 will[], 162 wont[], 163 options[], /* All the little options */ 164 *hostname; /* Who are we connected to? */ 165 166 /* 167 * We keep track of each side of the option negotiation. 168 */ 169 170 #define MY_STATE_WILL 0x01 171 #define MY_WANT_STATE_WILL 0x02 172 #define MY_STATE_DO 0x04 173 #define MY_WANT_STATE_DO 0x08 174 175 /* 176 * Macros to check the current state of things 177 */ 178 179 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 180 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 181 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 182 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 183 184 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 185 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 186 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 187 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 188 189 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} 190 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} 191 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} 192 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} 193 194 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} 195 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} 196 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} 197 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} 198 199 /* 200 * Make everything symetrical 201 */ 202 203 #define HIS_STATE_WILL MY_STATE_DO 204 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 205 #define HIS_STATE_DO MY_STATE_WILL 206 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 207 208 #define his_state_is_do my_state_is_will 209 #define his_state_is_will my_state_is_do 210 #define his_want_state_is_do my_want_state_is_will 211 #define his_want_state_is_will my_want_state_is_do 212 213 #define his_state_is_dont my_state_is_wont 214 #define his_state_is_wont my_state_is_dont 215 #define his_want_state_is_dont my_want_state_is_wont 216 #define his_want_state_is_wont my_want_state_is_dont 217 218 #define set_his_state_do set_my_state_will 219 #define set_his_state_will set_my_state_do 220 #define set_his_want_state_do set_my_want_state_will 221 #define set_his_want_state_will set_my_want_state_do 222 223 #define set_his_state_dont set_my_state_wont 224 #define set_his_state_wont set_my_state_dont 225 #define set_his_want_state_dont set_my_want_state_wont 226 #define set_his_want_state_wont set_my_want_state_dont 227 228 229 extern FILE 230 *NetTrace; /* Where debugging output goes */ 231 extern unsigned char 232 NetTraceFile[]; /* Name of file where debugging output goes */ 233 extern void 234 SetNetTrace P((char *)); /* Function to change where debugging goes */ 235 236 extern jmp_buf 237 peerdied, 238 toplevel; /* For error conditions. */ 239 240 extern void 241 command P((int, char *, int)), 242 Dump P((int, unsigned char *, int)), 243 init_3270 P((void)), 244 printoption P((char *, int, int)), 245 printsub P((int, unsigned char *, int)), 246 sendnaws P((void)), 247 setconnmode P((int)), 248 setcommandmode P((void)), 249 setneturg P((void)), 250 sys_telnet_init P((void)), 251 telnet P((char *)), 252 tel_enter_binary P((int)), 253 TerminalFlushOutput P((void)), 254 TerminalNewMode P((int)), 255 TerminalRestoreState P((void)), 256 TerminalSaveState P((void)), 257 tninit P((void)), 258 upcase P((char *)), 259 willoption P((int)), 260 wontoption P((int)); 261 262 extern void 263 send_do P((int, int)), 264 send_dont P((int, int)), 265 send_will P((int, int)), 266 send_wont P((int, int)); 267 268 extern void 269 lm_will P((unsigned char *, int)), 270 lm_wont P((unsigned char *, int)), 271 lm_do P((unsigned char *, int)), 272 lm_dont P((unsigned char *, int)), 273 lm_mode P((unsigned char *, int, int)); 274 275 extern void 276 slc_init P((void)), 277 slcstate P((void)), 278 slc_mode_export P((void)), 279 slc_mode_import P((int)), 280 slc_import P((int)), 281 slc_export P((void)), 282 slc P((unsigned char *, int)), 283 slc_check P((void)), 284 slc_start_reply P((void)), 285 slc_add_reply P((int, int, int)), 286 slc_end_reply P((void)); 287 extern int 288 slc_update P((void)); 289 290 extern void 291 env_opt P((unsigned char *, int)), 292 env_opt_start P((void)), 293 env_opt_start_info P((void)), 294 env_opt_add P((unsigned char *)), 295 env_opt_end P((int)); 296 297 extern unsigned char 298 *env_default P((int, int)), 299 *env_getvalue P((unsigned char *)); 300 301 extern int 302 get_status P((void)), 303 dosynch P((void)); 304 305 extern cc_t 306 *tcval P((int)); 307 308 #ifndef USE_TERMIO 309 310 extern struct tchars ntc; 311 extern struct ltchars nltc; 312 extern struct sgttyb nttyb; 313 314 # define termEofChar ntc.t_eofc 315 # define termEraseChar nttyb.sg_erase 316 # define termFlushChar nltc.t_flushc 317 # define termIntChar ntc.t_intrc 318 # define termKillChar nttyb.sg_kill 319 # define termLiteralNextChar nltc.t_lnextc 320 # define termQuitChar ntc.t_quitc 321 # define termSuspChar nltc.t_suspc 322 # define termRprntChar nltc.t_rprntc 323 # define termWerasChar nltc.t_werasc 324 # define termStartChar ntc.t_startc 325 # define termStopChar ntc.t_stopc 326 # define termForw1Char ntc.t_brkc 327 extern cc_t termForw2Char; 328 extern cc_t termAytChar; 329 330 # define termEofCharp (cc_t *)&ntc.t_eofc 331 # define termEraseCharp (cc_t *)&nttyb.sg_erase 332 # define termFlushCharp (cc_t *)&nltc.t_flushc 333 # define termIntCharp (cc_t *)&ntc.t_intrc 334 # define termKillCharp (cc_t *)&nttyb.sg_kill 335 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 336 # define termQuitCharp (cc_t *)&ntc.t_quitc 337 # define termSuspCharp (cc_t *)&nltc.t_suspc 338 # define termRprntCharp (cc_t *)&nltc.t_rprntc 339 # define termWerasCharp (cc_t *)&nltc.t_werasc 340 # define termStartCharp (cc_t *)&ntc.t_startc 341 # define termStopCharp (cc_t *)&ntc.t_stopc 342 # define termForw1Charp (cc_t *)&ntc.t_brkc 343 # define termForw2Charp (cc_t *)&termForw2Char 344 # define termAytCharp (cc_t *)&termAytChar 345 346 # else 347 348 extern struct termio new_tc; 349 350 # define termEofChar new_tc.c_cc[VEOF] 351 # define termEraseChar new_tc.c_cc[VERASE] 352 # define termIntChar new_tc.c_cc[VINTR] 353 # define termKillChar new_tc.c_cc[VKILL] 354 # define termQuitChar new_tc.c_cc[VQUIT] 355 356 # ifndef VSUSP 357 extern cc_t termSuspChar; 358 # else 359 # define termSuspChar new_tc.c_cc[VSUSP] 360 # endif 361 # if defined(VFLUSHO) && !defined(VDISCARD) 362 # define VDISCARD VFLUSHO 363 # endif 364 # ifndef VDISCARD 365 extern cc_t termFlushChar; 366 # else 367 # define termFlushChar new_tc.c_cc[VDISCARD] 368 # endif 369 # ifndef VWERASE 370 extern cc_t termWerasChar; 371 # else 372 # define termWerasChar new_tc.c_cc[VWERASE] 373 # endif 374 # ifndef VREPRINT 375 extern cc_t termRprntChar; 376 # else 377 # define termRprntChar new_tc.c_cc[VREPRINT] 378 # endif 379 # ifndef VLNEXT 380 extern cc_t termLiteralNextChar; 381 # else 382 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 383 # endif 384 # ifndef VSTART 385 extern cc_t termStartChar; 386 # else 387 # define termStartChar new_tc.c_cc[VSTART] 388 # endif 389 # ifndef VSTOP 390 extern cc_t termStopChar; 391 # else 392 # define termStopChar new_tc.c_cc[VSTOP] 393 # endif 394 # ifndef VEOL 395 extern cc_t termForw1Char; 396 # else 397 # define termForw1Char new_tc.c_cc[VEOL] 398 # endif 399 # ifndef VEOL2 400 extern cc_t termForw2Char; 401 # else 402 # define termForw2Char new_tc.c_cc[VEOL] 403 # endif 404 # ifndef VSTATUS 405 extern cc_t termAytChar; 406 #else 407 # define termAytChar new_tc.c_cc[VSTATUS] 408 #endif 409 410 # if !defined(CRAY) || defined(__STDC__) 411 # define termEofCharp &termEofChar 412 # define termEraseCharp &termEraseChar 413 # define termIntCharp &termIntChar 414 # define termKillCharp &termKillChar 415 # define termQuitCharp &termQuitChar 416 # define termSuspCharp &termSuspChar 417 # define termFlushCharp &termFlushChar 418 # define termWerasCharp &termWerasChar 419 # define termRprntCharp &termRprntChar 420 # define termLiteralNextCharp &termLiteralNextChar 421 # define termStartCharp &termStartChar 422 # define termStopCharp &termStopChar 423 # define termForw1Charp &termForw1Char 424 # define termForw2Charp &termForw2Char 425 # define termAytCharp &termAytChar 426 # else 427 /* Work around a compiler bug */ 428 # define termEofCharp 0 429 # define termEraseCharp 0 430 # define termIntCharp 0 431 # define termKillCharp 0 432 # define termQuitCharp 0 433 # define termSuspCharp 0 434 # define termFlushCharp 0 435 # define termWerasCharp 0 436 # define termRprntCharp 0 437 # define termLiteralNextCharp 0 438 # define termStartCharp 0 439 # define termStopCharp 0 440 # define termForw1Charp 0 441 # define termForw2Charp 0 442 # define termAytCharp 0 443 # endif 444 #endif 445 446 447 /* Ring buffer structures which are shared */ 448 449 extern Ring 450 netoring, 451 netiring, 452 ttyoring, 453 ttyiring; 454 455 /* Tn3270 section */ 456 #if defined(TN3270) 457 458 extern int 459 HaveInput, /* Whether an asynchronous I/O indication came in */ 460 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 461 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 462 sigiocount, /* Count of SIGIO receptions */ 463 shell_active; /* Subshell is active */ 464 465 extern char 466 *Ibackp, /* Oldest byte of 3270 data */ 467 Ibuf[], /* 3270 buffer */ 468 *Ifrontp, /* Where next 3270 byte goes */ 469 tline[], 470 *transcom; /* Transparent command */ 471 472 extern int 473 settranscom P((int, char**)); 474 475 extern void 476 inputAvailable P((int)); 477 #endif /* defined(TN3270) */ 478
Indexes created Sat Sep 27 22:09:54 GMT 2025