externs.h revision 1.4
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 8.1 (Berkeley) 6/6/93 34 * $Id: externs.h,v 1.4 1994/12/24 17:50:05 cgd 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 #endif 89 #include <strings.h> 90 91 #ifndef _POSIX_VDISABLE 92 # ifdef sun 93 # include <sys/param.h> /* pick up VDISABLE definition, mayby */ 94 # endif 95 # ifdef VDISABLE 96 # define _POSIX_VDISABLE VDISABLE 97 # else 98 # define _POSIX_VDISABLE ((cc_t)'\377') 99 # endif 100 #endif 101 102 #define SUBBUFSIZE 256 103 104 #ifndef CRAY 105 extern int errno; /* outside this world */ 106 #endif /* !CRAY */ 107 108 #if !defined(P) 109 # ifdef __STDC__ 110 # define P(x) x 111 # else 112 # define P(x) () 113 # endif 114 #endif 115 116 extern int 117 autologin, /* Autologin enabled */ 118 skiprc, /* Don't process the ~/.telnetrc file */ 119 eight, /* use eight bit mode (binary in and/or out */ 120 flushout, /* flush output */ 121 connected, /* Are we connected to the other side? */ 122 globalmode, /* Mode tty should be in */ 123 In3270, /* Are we in 3270 mode? */ 124 telnetport, /* Are we connected to the telnet port? */ 125 localflow, /* Flow control handled locally */ 126 restartany, /* If flow control, restart output on any character */ 127 localchars, /* we recognize interrupt/quit */ 128 donelclchars, /* the user has set "localchars" */ 129 showoptions, 130 net, /* Network file descriptor */ 131 tin, /* Terminal input file descriptor */ 132 tout, /* Terminal output file descriptor */ 133 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */ 134 autoflush, /* flush output when interrupting? */ 135 autosynch, /* send interrupt characters with SYNCH? */ 136 SYNCHing, /* Is the stream in telnet SYNCH mode? */ 137 donebinarytoggle, /* the user has put us in binary */ 138 dontlecho, /* do we suppress local echoing right now? */ 139 crmod, 140 netdata, /* Print out network data flow */ 141 prettydump, /* Print "netdata" output in user readable format */ 142 #if defined(unix) 143 #if defined(TN3270) 144 cursesdata, /* Print out curses data flow */ 145 apitrace, /* Trace API transactions */ 146 #endif /* defined(TN3270) */ 147 termdata, /* Print out terminal data flow */ 148 #endif /* defined(unix) */ 149 debug; /* Debug level */ 150 151 extern cc_t escape; /* Escape to command mode */ 152 extern cc_t rlogin; /* Rlogin mode escape character */ 153 #ifdef KLUDGELINEMODE 154 extern cc_t echoc; /* Toggle local echoing */ 155 #endif 156 157 extern char 158 *prompt; /* Prompt for command. */ 159 160 extern char 161 doopt[], 162 dont[], 163 will[], 164 wont[], 165 options[], /* All the little options */ 166 *hostname; /* Who are we connected to? */ 167 168 /* 169 * We keep track of each side of the option negotiation. 170 */ 171 172 #define MY_STATE_WILL 0x01 173 #define MY_WANT_STATE_WILL 0x02 174 #define MY_STATE_DO 0x04 175 #define MY_WANT_STATE_DO 0x08 176 177 /* 178 * Macros to check the current state of things 179 */ 180 181 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 182 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 183 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 184 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 185 186 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 187 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 188 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 189 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 190 191 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} 192 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} 193 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} 194 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} 195 196 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} 197 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} 198 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} 199 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} 200 201 /* 202 * Make everything symetrical 203 */ 204 205 #define HIS_STATE_WILL MY_STATE_DO 206 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 207 #define HIS_STATE_DO MY_STATE_WILL 208 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 209 210 #define his_state_is_do my_state_is_will 211 #define his_state_is_will my_state_is_do 212 #define his_want_state_is_do my_want_state_is_will 213 #define his_want_state_is_will my_want_state_is_do 214 215 #define his_state_is_dont my_state_is_wont 216 #define his_state_is_wont my_state_is_dont 217 #define his_want_state_is_dont my_want_state_is_wont 218 #define his_want_state_is_wont my_want_state_is_dont 219 220 #define set_his_state_do set_my_state_will 221 #define set_his_state_will set_my_state_do 222 #define set_his_want_state_do set_my_want_state_will 223 #define set_his_want_state_will set_my_want_state_do 224 225 #define set_his_state_dont set_my_state_wont 226 #define set_his_state_wont set_my_state_dont 227 #define set_his_want_state_dont set_my_want_state_wont 228 #define set_his_want_state_wont set_my_want_state_dont 229 230 231 extern FILE 232 *NetTrace; /* Where debugging output goes */ 233 extern unsigned char 234 NetTraceFile[]; /* Name of file where debugging output goes */ 235 extern void 236 SetNetTrace P((char *)); /* Function to change where debugging goes */ 237 238 extern jmp_buf 239 peerdied, 240 toplevel; /* For error conditions. */ 241 242 extern void 243 command P((int, char *, int)), 244 Dump P((int, unsigned char *, int)), 245 init_3270 P((void)), 246 printoption P((char *, int, int)), 247 printsub P((int, unsigned char *, int)), 248 sendnaws P((void)), 249 setconnmode P((int)), 250 setcommandmode P((void)), 251 setneturg P((void)), 252 sys_telnet_init P((void)), 253 telnet P((char *)), 254 tel_enter_binary P((int)), 255 TerminalFlushOutput P((void)), 256 TerminalNewMode P((int)), 257 TerminalRestoreState P((void)), 258 TerminalSaveState P((void)), 259 tninit P((void)), 260 upcase P((char *)), 261 willoption P((int)), 262 wontoption P((int)); 263 264 extern void 265 send_do P((int, int)), 266 send_dont P((int, int)), 267 send_will P((int, int)), 268 send_wont P((int, int)); 269 270 extern void 271 lm_will P((unsigned char *, int)), 272 lm_wont P((unsigned char *, int)), 273 lm_do P((unsigned char *, int)), 274 lm_dont P((unsigned char *, int)), 275 lm_mode P((unsigned char *, int, int)); 276 277 extern void 278 slc_init P((void)), 279 slcstate P((void)), 280 slc_mode_export P((void)), 281 slc_mode_import P((int)), 282 slc_import P((int)), 283 slc_export P((void)), 284 slc P((unsigned char *, int)), 285 slc_check P((void)), 286 slc_start_reply P((void)), 287 slc_add_reply P((int, int, int)), 288 slc_end_reply P((void)); 289 extern int 290 slc_update P((void)); 291 292 extern void 293 env_opt P((unsigned char *, int)), 294 env_opt_start P((void)), 295 env_opt_start_info P((void)), 296 env_opt_add P((unsigned char *)), 297 env_opt_end P((int)); 298 299 extern unsigned char 300 *env_default P((int, int)), 301 *env_getvalue P((unsigned char *)); 302 303 extern int 304 get_status P((void)), 305 dosynch P((void)); 306 307 extern cc_t 308 *tcval P((int)); 309 310 #ifndef USE_TERMIO 311 312 extern struct tchars ntc; 313 extern struct ltchars nltc; 314 extern struct sgttyb nttyb; 315 316 # define termEofChar ntc.t_eofc 317 # define termEraseChar nttyb.sg_erase 318 # define termFlushChar nltc.t_flushc 319 # define termIntChar ntc.t_intrc 320 # define termKillChar nttyb.sg_kill 321 # define termLiteralNextChar nltc.t_lnextc 322 # define termQuitChar ntc.t_quitc 323 # define termSuspChar nltc.t_suspc 324 # define termRprntChar nltc.t_rprntc 325 # define termWerasChar nltc.t_werasc 326 # define termStartChar ntc.t_startc 327 # define termStopChar ntc.t_stopc 328 # define termForw1Char ntc.t_brkc 329 extern cc_t termForw2Char; 330 extern cc_t termAytChar; 331 332 # define termEofCharp (cc_t *)&ntc.t_eofc 333 # define termEraseCharp (cc_t *)&nttyb.sg_erase 334 # define termFlushCharp (cc_t *)&nltc.t_flushc 335 # define termIntCharp (cc_t *)&ntc.t_intrc 336 # define termKillCharp (cc_t *)&nttyb.sg_kill 337 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 338 # define termQuitCharp (cc_t *)&ntc.t_quitc 339 # define termSuspCharp (cc_t *)&nltc.t_suspc 340 # define termRprntCharp (cc_t *)&nltc.t_rprntc 341 # define termWerasCharp (cc_t *)&nltc.t_werasc 342 # define termStartCharp (cc_t *)&ntc.t_startc 343 # define termStopCharp (cc_t *)&ntc.t_stopc 344 # define termForw1Charp (cc_t *)&ntc.t_brkc 345 # define termForw2Charp (cc_t *)&termForw2Char 346 # define termAytCharp (cc_t *)&termAytChar 347 348 # else 349 350 extern struct termio new_tc; 351 352 # define termEofChar new_tc.c_cc[VEOF] 353 # define termEraseChar new_tc.c_cc[VERASE] 354 # define termIntChar new_tc.c_cc[VINTR] 355 # define termKillChar new_tc.c_cc[VKILL] 356 # define termQuitChar new_tc.c_cc[VQUIT] 357 358 # ifndef VSUSP 359 extern cc_t termSuspChar; 360 # else 361 # define termSuspChar new_tc.c_cc[VSUSP] 362 # endif 363 # if defined(VFLUSHO) && !defined(VDISCARD) 364 # define VDISCARD VFLUSHO 365 # endif 366 # ifndef VDISCARD 367 extern cc_t termFlushChar; 368 # else 369 # define termFlushChar new_tc.c_cc[VDISCARD] 370 # endif 371 # ifndef VWERASE 372 extern cc_t termWerasChar; 373 # else 374 # define termWerasChar new_tc.c_cc[VWERASE] 375 # endif 376 # ifndef VREPRINT 377 extern cc_t termRprntChar; 378 # else 379 # define termRprntChar new_tc.c_cc[VREPRINT] 380 # endif 381 # ifndef VLNEXT 382 extern cc_t termLiteralNextChar; 383 # else 384 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 385 # endif 386 # ifndef VSTART 387 extern cc_t termStartChar; 388 # else 389 # define termStartChar new_tc.c_cc[VSTART] 390 # endif 391 # ifndef VSTOP 392 extern cc_t termStopChar; 393 # else 394 # define termStopChar new_tc.c_cc[VSTOP] 395 # endif 396 # ifndef VEOL 397 extern cc_t termForw1Char; 398 # else 399 # define termForw1Char new_tc.c_cc[VEOL] 400 # endif 401 # ifndef VEOL2 402 extern cc_t termForw2Char; 403 # else 404 # define termForw2Char new_tc.c_cc[VEOL] 405 # endif 406 # ifndef VSTATUS 407 extern cc_t termAytChar; 408 #else 409 # define termAytChar new_tc.c_cc[VSTATUS] 410 #endif 411 412 # if !defined(CRAY) || defined(__STDC__) 413 # define termEofCharp &termEofChar 414 # define termEraseCharp &termEraseChar 415 # define termIntCharp &termIntChar 416 # define termKillCharp &termKillChar 417 # define termQuitCharp &termQuitChar 418 # define termSuspCharp &termSuspChar 419 # define termFlushCharp &termFlushChar 420 # define termWerasCharp &termWerasChar 421 # define termRprntCharp &termRprntChar 422 # define termLiteralNextCharp &termLiteralNextChar 423 # define termStartCharp &termStartChar 424 # define termStopCharp &termStopChar 425 # define termForw1Charp &termForw1Char 426 # define termForw2Charp &termForw2Char 427 # define termAytCharp &termAytChar 428 # else 429 /* Work around a compiler bug */ 430 # define termEofCharp 0 431 # define termEraseCharp 0 432 # define termIntCharp 0 433 # define termKillCharp 0 434 # define termQuitCharp 0 435 # define termSuspCharp 0 436 # define termFlushCharp 0 437 # define termWerasCharp 0 438 # define termRprntCharp 0 439 # define termLiteralNextCharp 0 440 # define termStartCharp 0 441 # define termStopCharp 0 442 # define termForw1Charp 0 443 # define termForw2Charp 0 444 # define termAytCharp 0 445 # endif 446 #endif 447 448 449 /* Ring buffer structures which are shared */ 450 451 extern Ring 452 netoring, 453 netiring, 454 ttyoring, 455 ttyiring; 456 457 /* Tn3270 section */ 458 #if defined(TN3270) 459 460 extern int 461 HaveInput, /* Whether an asynchronous I/O indication came in */ 462 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 463 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 464 sigiocount, /* Count of SIGIO receptions */ 465 shell_active; /* Subshell is active */ 466 467 extern char 468 *Ibackp, /* Oldest byte of 3270 data */ 469 Ibuf[], /* 3270 buffer */ 470 *Ifrontp, /* Where next 3270 byte goes */ 471 tline[], 472 *transcom; /* Transparent command */ 473 474 extern int 475 settranscom P((int, char**)); 476 477 extern void 478 inputAvailable P((int)); 479 #endif /* defined(TN3270) */ 480
Indexes created Sat Sep 27 22:09:54 GMT 2025