externs.h revision 1.3
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 1.3 1994/02/25 03:00:25 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 <setjmp.h> 56 #if defined(CRAY) && !defined(NO_BSD_SETJMP) 57 #include <bsdsetjmp.h> 58 #endif 59 #ifndef FILIO_H 60 #include <sys/ioctl.h> 61 #else 62 #include <sys/filio.h> 63 #endif 64 #ifdef CRAY 65 # include <errno.h> 66 #endif /* CRAY */ 67 #ifdef USE_TERMIO 68 # ifndef VINTR 69 # ifdef SYSV_TERMIO 70 # include <sys/termio.h> 71 # else 72 # include <sys/termios.h> 73 # define termio termios 74 # endif 75 # endif 76 #endif 77 #if defined(NO_CC_T) || !defined(USE_TERMIO) 78 # if !defined(USE_TERMIO) 79 typedef char cc_t; 80 # else 81 typedef unsigned char cc_t; 82 # endif 83 #endif 84 85 #ifndef NO_STRING_H 86 #include <string.h> 87 #endif 88 #include <strings.h> 89 90 #ifndef _POSIX_VDISABLE 91 # ifdef sun 92 # include <sys/param.h> /* pick up VDISABLE definition, mayby */ 93 # endif 94 # ifdef VDISABLE 95 # define _POSIX_VDISABLE VDISABLE 96 # else 97 # define _POSIX_VDISABLE ((cc_t)'\377') 98 # endif 99 #endif 100 101 #define SUBBUFSIZE 256 102 103 #ifndef CRAY 104 extern int errno; /* outside this world */ 105 #endif /* !CRAY */ 106 107 #if !defined(P) 108 # ifdef __STDC__ 109 # define P(x) x 110 # else 111 # define P(x) () 112 # endif 113 #endif 114 115 extern int 116 autologin, /* Autologin enabled */ 117 skiprc, /* Don't process the ~/.telnetrc file */ 118 eight, /* use eight bit mode (binary in and/or out */ 119 flushout, /* flush output */ 120 connected, /* Are we connected to the other side? */ 121 globalmode, /* Mode tty should be in */ 122 In3270, /* Are we in 3270 mode? */ 123 telnetport, /* Are we connected to the telnet port? */ 124 localflow, /* Flow control handled locally */ 125 restartany, /* If flow control, restart output on any character */ 126 localchars, /* we recognize interrupt/quit */ 127 donelclchars, /* the user has set "localchars" */ 128 showoptions, 129 net, /* Network file descriptor */ 130 tin, /* Terminal input file descriptor */ 131 tout, /* Terminal output file descriptor */ 132 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */ 133 autoflush, /* flush output when interrupting? */ 134 autosynch, /* send interrupt characters with SYNCH? */ 135 SYNCHing, /* Is the stream in telnet SYNCH mode? */ 136 donebinarytoggle, /* the user has put us in binary */ 137 dontlecho, /* do we suppress local echoing right now? */ 138 crmod, 139 netdata, /* Print out network data flow */ 140 prettydump, /* Print "netdata" output in user readable format */ 141 #if defined(unix) 142 #if defined(TN3270) 143 cursesdata, /* Print out curses data flow */ 144 apitrace, /* Trace API transactions */ 145 #endif /* defined(TN3270) */ 146 termdata, /* Print out terminal data flow */ 147 #endif /* defined(unix) */ 148 debug; /* Debug level */ 149 150 extern cc_t escape; /* Escape to command mode */ 151 extern cc_t rlogin; /* Rlogin mode escape character */ 152 #ifdef KLUDGELINEMODE 153 extern cc_t echoc; /* Toggle local echoing */ 154 #endif 155 156 extern char 157 *prompt; /* Prompt for command. */ 158 159 extern char 160 doopt[], 161 dont[], 162 will[], 163 wont[], 164 options[], /* All the little options */ 165 *hostname; /* Who are we connected to? */ 166 167 /* 168 * We keep track of each side of the option negotiation. 169 */ 170 171 #define MY_STATE_WILL 0x01 172 #define MY_WANT_STATE_WILL 0x02 173 #define MY_STATE_DO 0x04 174 #define MY_WANT_STATE_DO 0x08 175 176 /* 177 * Macros to check the current state of things 178 */ 179 180 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 181 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 182 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 183 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 184 185 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 186 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 187 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 188 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 189 190 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} 191 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} 192 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} 193 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} 194 195 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} 196 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} 197 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} 198 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} 199 200 /* 201 * Make everything symetrical 202 */ 203 204 #define HIS_STATE_WILL MY_STATE_DO 205 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 206 #define HIS_STATE_DO MY_STATE_WILL 207 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 208 209 #define his_state_is_do my_state_is_will 210 #define his_state_is_will my_state_is_do 211 #define his_want_state_is_do my_want_state_is_will 212 #define his_want_state_is_will my_want_state_is_do 213 214 #define his_state_is_dont my_state_is_wont 215 #define his_state_is_wont my_state_is_dont 216 #define his_want_state_is_dont my_want_state_is_wont 217 #define his_want_state_is_wont my_want_state_is_dont 218 219 #define set_his_state_do set_my_state_will 220 #define set_his_state_will set_my_state_do 221 #define set_his_want_state_do set_my_want_state_will 222 #define set_his_want_state_will set_my_want_state_do 223 224 #define set_his_state_dont set_my_state_wont 225 #define set_his_state_wont set_my_state_dont 226 #define set_his_want_state_dont set_my_want_state_wont 227 #define set_his_want_state_wont set_my_want_state_dont 228 229 230 extern FILE 231 *NetTrace; /* Where debugging output goes */ 232 extern unsigned char 233 NetTraceFile[]; /* Name of file where debugging output goes */ 234 extern void 235 SetNetTrace P((char *)); /* Function to change where debugging goes */ 236 237 extern jmp_buf 238 peerdied, 239 toplevel; /* For error conditions. */ 240 241 extern void 242 command P((int, char *, int)), 243 Dump P((int, unsigned char *, int)), 244 init_3270 P((void)), 245 printoption P((char *, int, int)), 246 printsub P((int, unsigned char *, int)), 247 sendnaws P((void)), 248 setconnmode P((int)), 249 setcommandmode P((void)), 250 setneturg P((void)), 251 sys_telnet_init P((void)), 252 telnet P((char *)), 253 tel_enter_binary P((int)), 254 TerminalFlushOutput P((void)), 255 TerminalNewMode P((int)), 256 TerminalRestoreState P((void)), 257 TerminalSaveState P((void)), 258 tninit P((void)), 259 upcase P((char *)), 260 willoption P((int)), 261 wontoption P((int)); 262 263 extern void 264 send_do P((int, int)), 265 send_dont P((int, int)), 266 send_will P((int, int)), 267 send_wont P((int, int)); 268 269 extern void 270 lm_will P((unsigned char *, int)), 271 lm_wont P((unsigned char *, int)), 272 lm_do P((unsigned char *, int)), 273 lm_dont P((unsigned char *, int)), 274 lm_mode P((unsigned char *, int, int)); 275 276 extern void 277 slc_init P((void)), 278 slcstate P((void)), 279 slc_mode_export P((void)), 280 slc_mode_import P((int)), 281 slc_import P((int)), 282 slc_export P((void)), 283 slc P((unsigned char *, int)), 284 slc_check P((void)), 285 slc_start_reply P((void)), 286 slc_add_reply P((int, int, int)), 287 slc_end_reply P((void)); 288 extern int 289 slc_update P((void)); 290 291 extern void 292 env_opt P((unsigned char *, int)), 293 env_opt_start P((void)), 294 env_opt_start_info P((void)), 295 env_opt_add P((unsigned char *)), 296 env_opt_end P((int)); 297 298 extern unsigned char 299 *env_default P((int, int)), 300 *env_getvalue P((unsigned char *)); 301 302 extern int 303 get_status P((void)), 304 dosynch P((void)); 305 306 extern cc_t 307 *tcval P((int)); 308 309 #ifndef USE_TERMIO 310 311 extern struct tchars ntc; 312 extern struct ltchars nltc; 313 extern struct sgttyb nttyb; 314 315 # define termEofChar ntc.t_eofc 316 # define termEraseChar nttyb.sg_erase 317 # define termFlushChar nltc.t_flushc 318 # define termIntChar ntc.t_intrc 319 # define termKillChar nttyb.sg_kill 320 # define termLiteralNextChar nltc.t_lnextc 321 # define termQuitChar ntc.t_quitc 322 # define termSuspChar nltc.t_suspc 323 # define termRprntChar nltc.t_rprntc 324 # define termWerasChar nltc.t_werasc 325 # define termStartChar ntc.t_startc 326 # define termStopChar ntc.t_stopc 327 # define termForw1Char ntc.t_brkc 328 extern cc_t termForw2Char; 329 extern cc_t termAytChar; 330 331 # define termEofCharp (cc_t *)&ntc.t_eofc 332 # define termEraseCharp (cc_t *)&nttyb.sg_erase 333 # define termFlushCharp (cc_t *)&nltc.t_flushc 334 # define termIntCharp (cc_t *)&ntc.t_intrc 335 # define termKillCharp (cc_t *)&nttyb.sg_kill 336 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 337 # define termQuitCharp (cc_t *)&ntc.t_quitc 338 # define termSuspCharp (cc_t *)&nltc.t_suspc 339 # define termRprntCharp (cc_t *)&nltc.t_rprntc 340 # define termWerasCharp (cc_t *)&nltc.t_werasc 341 # define termStartCharp (cc_t *)&ntc.t_startc 342 # define termStopCharp (cc_t *)&ntc.t_stopc 343 # define termForw1Charp (cc_t *)&ntc.t_brkc 344 # define termForw2Charp (cc_t *)&termForw2Char 345 # define termAytCharp (cc_t *)&termAytChar 346 347 # else 348 349 extern struct termio new_tc; 350 351 # define termEofChar new_tc.c_cc[VEOF] 352 # define termEraseChar new_tc.c_cc[VERASE] 353 # define termIntChar new_tc.c_cc[VINTR] 354 # define termKillChar new_tc.c_cc[VKILL] 355 # define termQuitChar new_tc.c_cc[VQUIT] 356 357 # ifndef VSUSP 358 extern cc_t termSuspChar; 359 # else 360 # define termSuspChar new_tc.c_cc[VSUSP] 361 # endif 362 # if defined(VFLUSHO) && !defined(VDISCARD) 363 # define VDISCARD VFLUSHO 364 # endif 365 # ifndef VDISCARD 366 extern cc_t termFlushChar; 367 # else 368 # define termFlushChar new_tc.c_cc[VDISCARD] 369 # endif 370 # ifndef VWERASE 371 extern cc_t termWerasChar; 372 # else 373 # define termWerasChar new_tc.c_cc[VWERASE] 374 # endif 375 # ifndef VREPRINT 376 extern cc_t termRprntChar; 377 # else 378 # define termRprntChar new_tc.c_cc[VREPRINT] 379 # endif 380 # ifndef VLNEXT 381 extern cc_t termLiteralNextChar; 382 # else 383 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 384 # endif 385 # ifndef VSTART 386 extern cc_t termStartChar; 387 # else 388 # define termStartChar new_tc.c_cc[VSTART] 389 # endif 390 # ifndef VSTOP 391 extern cc_t termStopChar; 392 # else 393 # define termStopChar new_tc.c_cc[VSTOP] 394 # endif 395 # ifndef VEOL 396 extern cc_t termForw1Char; 397 # else 398 # define termForw1Char new_tc.c_cc[VEOL] 399 # endif 400 # ifndef VEOL2 401 extern cc_t termForw2Char; 402 # else 403 # define termForw2Char new_tc.c_cc[VEOL] 404 # endif 405 # ifndef VSTATUS 406 extern cc_t termAytChar; 407 #else 408 # define termAytChar new_tc.c_cc[VSTATUS] 409 #endif 410 411 # if !defined(CRAY) || defined(__STDC__) 412 # define termEofCharp &termEofChar 413 # define termEraseCharp &termEraseChar 414 # define termIntCharp &termIntChar 415 # define termKillCharp &termKillChar 416 # define termQuitCharp &termQuitChar 417 # define termSuspCharp &termSuspChar 418 # define termFlushCharp &termFlushChar 419 # define termWerasCharp &termWerasChar 420 # define termRprntCharp &termRprntChar 421 # define termLiteralNextCharp &termLiteralNextChar 422 # define termStartCharp &termStartChar 423 # define termStopCharp &termStopChar 424 # define termForw1Charp &termForw1Char 425 # define termForw2Charp &termForw2Char 426 # define termAytCharp &termAytChar 427 # else 428 /* Work around a compiler bug */ 429 # define termEofCharp 0 430 # define termEraseCharp 0 431 # define termIntCharp 0 432 # define termKillCharp 0 433 # define termQuitCharp 0 434 # define termSuspCharp 0 435 # define termFlushCharp 0 436 # define termWerasCharp 0 437 # define termRprntCharp 0 438 # define termLiteralNextCharp 0 439 # define termStartCharp 0 440 # define termStopCharp 0 441 # define termForw1Charp 0 442 # define termForw2Charp 0 443 # define termAytCharp 0 444 # endif 445 #endif 446 447 448 /* Ring buffer structures which are shared */ 449 450 extern Ring 451 netoring, 452 netiring, 453 ttyoring, 454 ttyiring; 455 456 /* Tn3270 section */ 457 #if defined(TN3270) 458 459 extern int 460 HaveInput, /* Whether an asynchronous I/O indication came in */ 461 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 462 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 463 sigiocount, /* Count of SIGIO receptions */ 464 shell_active; /* Subshell is active */ 465 466 extern char 467 *Ibackp, /* Oldest byte of 3270 data */ 468 Ibuf[], /* 3270 buffer */ 469 *Ifrontp, /* Where next 3270 byte goes */ 470 tline[], 471 *transcom; /* Transparent command */ 472 473 extern int 474 settranscom P((int, char**)); 475 476 extern void 477 inputAvailable P((int)); 478 #endif /* defined(TN3270) */ 479
Indexes created Thu Sep 25 16:09:42 GMT 2025