externs.h revision 1.9
1 /* $NetBSD: externs.h,v 1.9 1998/02/27 10:44:13 christos 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 */ 233 234 extern jmp_buf 235 peerdied, 236 toplevel; /* For error conditions. */ 237 238 239 /* authenc.c */ 240 int net_write P((unsigned char *, int)); 241 void net_encrypt P((void)); 242 int telnet_spin P((void)); 243 char *telnet_getenv P((char *)); 244 char *telnet_gets P((char *, char *, int, int)); 245 246 /* commands.c */ 247 int send_tncmd P((void (*)(int, int), char *, char *)); 248 void _setlist_init P((void)); 249 void set_escape_char P((char *)); 250 int set_mode P((int)); 251 int clear_mode P((int)); 252 int modehelp P((int)); 253 int suspend P((int, char *[])); 254 int shell P((int, char *[])); 255 int quit P((int, char *[])); 256 int logout P((int, char *[])); 257 int env_cmd P((int, char *[])); 258 struct env_lst *env_find P((unsigned char *)); 259 void env_init P((void)); 260 struct env_lst *env_define P((unsigned char *, unsigned char *)); 261 struct env_lst *env_undefine P((unsigned char *, unsigned char *)); 262 struct env_lst *env_export P((unsigned char *, unsigned char *)); 263 struct env_lst *env_unexport P((unsigned char *, unsigned char *)); 264 struct env_lst *env_send P((unsigned char *, unsigned char *)); 265 struct env_lst *env_list P((unsigned char *, unsigned char *)); 266 unsigned char *env_default P((int, int )); 267 unsigned char *env_getvalue P((unsigned char *)); 268 void env_varval P((unsigned char *)); 269 int auth_cmd P((int, char *[])); 270 int ayt_status P((void)); 271 int tn P((int, char *[])); 272 void command P((int, char *, int)); 273 void cmdrc P((char *, char *)); 274 unsigned long sourceroute P((char *, char **, unsigned long *)); 275 276 /* main.c */ 277 void tninit P((void)); 278 void usage P((void)); 279 280 /* network.c */ 281 void init_network P((void)); 282 int stilloob P((void)); 283 void setneturg P((void)); 284 int netflush P((void)); 285 286 /* sys_bsd.c */ 287 void init_sys P((void)); 288 int TerminalWrite P((char *, int)); 289 int TerminalRead P((unsigned char *, int)); 290 int TerminalAutoFlush P((void)); 291 int TerminalSpecialChars P((int)); 292 void TerminalFlushOutput P((void)); 293 void TerminalSaveState P((void)); 294 cc_t *tcval P((int)); 295 void TerminalDefaultChars P((void)); 296 void TerminalRestoreState P((void)); 297 void TerminalNewMode P((int)); 298 void TerminalSpeeds P((long *, long *)); 299 int TerminalWindowSize P((long *, long *)); 300 int NetClose P((int)); 301 void NetNonblockingIO P((int, int)); 302 void NetSigIO P((int, int)); 303 void NetSetPgrp P((int)); 304 void sys_telnet_init P((void)); 305 int process_rings P((int , int , int , int , int , int)); 306 307 /* telnet.c */ 308 void init_telnet P((void)); 309 void send_do P((int, int )); 310 void send_dont P((int, int )); 311 void send_will P((int, int )); 312 void send_wont P((int, int )); 313 void willoption P((int)); 314 void wontoption P((int)); 315 char **mklist P((char *, char *)); 316 int is_unique P((char *, char **, char **)); 317 int setupterm P((char *, int, int *)); 318 char *gettermname P((void)); 319 void lm_will P((unsigned char *, int)); 320 void lm_wont P((unsigned char *, int)); 321 void lm_do P((unsigned char *, int)); 322 void lm_dont P((unsigned char *, int)); 323 void lm_mode P((unsigned char *, int, int )); 324 void slc_init P((void)); 325 void slcstate P((void)); 326 void slc_mode_export P((int)); 327 void slc_mode_import P((int)); 328 void slc_import P((int)); 329 void slc_export P((void)); 330 void slc P((unsigned char *, int)); 331 void slc_check P((void)); 332 void slc_start_reply P((void)); 333 void slc_add_reply P((unsigned int, unsigned int, cc_t)); 334 void slc_end_reply P((void)); 335 int slc_update P((void)); 336 void env_opt P((unsigned char *, int)); 337 void env_opt_start P((void)); 338 void env_opt_start_info P((void)); 339 void env_opt_add P((unsigned char *)); 340 int opt_welldefined P((char *)); 341 void env_opt_end P((int)); 342 int telrcv P((void)); 343 int rlogin_susp P((void)); 344 int Scheduler P((int)); 345 void telnet P((char *)); 346 void xmitAO P((void)); 347 void xmitEL P((void)); 348 void xmitEC P((void)); 349 int dosynch P((char *)); 350 int get_status P((char *)); 351 void intp P((void)); 352 void sendbrk P((void)); 353 void sendabort P((void)); 354 void sendsusp P((void)); 355 void sendeof P((void)); 356 void sendayt P((void)); 357 void sendnaws P((void)); 358 void tel_enter_binary P((int)); 359 void tel_leave_binary P((int)); 360 361 /* terminal.c */ 362 void init_terminal P((void)); 363 int ttyflush P((int)); 364 int getconnmode P((void)); 365 void setconnmode P((int)); 366 void setcommandmode P((void)); 367 368 /* utilities.c */ 369 void upcase P((char *)); 370 int SetSockOpt P((int, int , int , int )); 371 void SetNetTrace P((char *)); 372 void Dump P((int, unsigned char *, int)); 373 void printoption P((char *, int, int )); 374 void optionstatus P((void)); 375 void printsub P((int, unsigned char *, int)); 376 void EmptyTerminal P((void)); 377 void SetForExit P((void)); 378 void Exit P((int)) __attribute__((__noreturn__)); 379 void ExitString P((char *, int)) __attribute__((__noreturn__)); 380 381 #ifndef USE_TERMIO 382 383 extern struct tchars ntc; 384 extern struct ltchars nltc; 385 extern struct sgttyb nttyb; 386 387 # define termEofChar ntc.t_eofc 388 # define termEraseChar nttyb.sg_erase 389 # define termFlushChar nltc.t_flushc 390 # define termIntChar ntc.t_intrc 391 # define termKillChar nttyb.sg_kill 392 # define termLiteralNextChar nltc.t_lnextc 393 # define termQuitChar ntc.t_quitc 394 # define termSuspChar nltc.t_suspc 395 # define termRprntChar nltc.t_rprntc 396 # define termWerasChar nltc.t_werasc 397 # define termStartChar ntc.t_startc 398 # define termStopChar ntc.t_stopc 399 # define termForw1Char ntc.t_brkc 400 extern cc_t termForw2Char; 401 extern cc_t termAytChar; 402 403 # define termEofCharp (cc_t *)&ntc.t_eofc 404 # define termEraseCharp (cc_t *)&nttyb.sg_erase 405 # define termFlushCharp (cc_t *)&nltc.t_flushc 406 # define termIntCharp (cc_t *)&ntc.t_intrc 407 # define termKillCharp (cc_t *)&nttyb.sg_kill 408 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 409 # define termQuitCharp (cc_t *)&ntc.t_quitc 410 # define termSuspCharp (cc_t *)&nltc.t_suspc 411 # define termRprntCharp (cc_t *)&nltc.t_rprntc 412 # define termWerasCharp (cc_t *)&nltc.t_werasc 413 # define termStartCharp (cc_t *)&ntc.t_startc 414 # define termStopCharp (cc_t *)&ntc.t_stopc 415 # define termForw1Charp (cc_t *)&ntc.t_brkc 416 # define termForw2Charp (cc_t *)&termForw2Char 417 # define termAytCharp (cc_t *)&termAytChar 418 419 # else 420 421 extern struct termio new_tc; 422 423 # define termEofChar new_tc.c_cc[VEOF] 424 # define termEraseChar new_tc.c_cc[VERASE] 425 # define termIntChar new_tc.c_cc[VINTR] 426 # define termKillChar new_tc.c_cc[VKILL] 427 # define termQuitChar new_tc.c_cc[VQUIT] 428 429 # ifndef VSUSP 430 extern cc_t termSuspChar; 431 # else 432 # define termSuspChar new_tc.c_cc[VSUSP] 433 # endif 434 # if defined(VFLUSHO) && !defined(VDISCARD) 435 # define VDISCARD VFLUSHO 436 # endif 437 # ifndef VDISCARD 438 extern cc_t termFlushChar; 439 # else 440 # define termFlushChar new_tc.c_cc[VDISCARD] 441 # endif 442 # ifndef VWERASE 443 extern cc_t termWerasChar; 444 # else 445 # define termWerasChar new_tc.c_cc[VWERASE] 446 # endif 447 # ifndef VREPRINT 448 extern cc_t termRprntChar; 449 # else 450 # define termRprntChar new_tc.c_cc[VREPRINT] 451 # endif 452 # ifndef VLNEXT 453 extern cc_t termLiteralNextChar; 454 # else 455 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 456 # endif 457 # ifndef VSTART 458 extern cc_t termStartChar; 459 # else 460 # define termStartChar new_tc.c_cc[VSTART] 461 # endif 462 # ifndef VSTOP 463 extern cc_t termStopChar; 464 # else 465 # define termStopChar new_tc.c_cc[VSTOP] 466 # endif 467 # ifndef VEOL 468 extern cc_t termForw1Char; 469 # else 470 # define termForw1Char new_tc.c_cc[VEOL] 471 # endif 472 # ifndef VEOL2 473 extern cc_t termForw2Char; 474 # else 475 # define termForw2Char new_tc.c_cc[VEOL] 476 # endif 477 # ifndef VSTATUS 478 extern cc_t termAytChar; 479 #else 480 # define termAytChar new_tc.c_cc[VSTATUS] 481 #endif 482 483 # if !defined(CRAY) || defined(__STDC__) 484 # define termEofCharp &termEofChar 485 # define termEraseCharp &termEraseChar 486 # define termIntCharp &termIntChar 487 # define termKillCharp &termKillChar 488 # define termQuitCharp &termQuitChar 489 # define termSuspCharp &termSuspChar 490 # define termFlushCharp &termFlushChar 491 # define termWerasCharp &termWerasChar 492 # define termRprntCharp &termRprntChar 493 # define termLiteralNextCharp &termLiteralNextChar 494 # define termStartCharp &termStartChar 495 # define termStopCharp &termStopChar 496 # define termForw1Charp &termForw1Char 497 # define termForw2Charp &termForw2Char 498 # define termAytCharp &termAytChar 499 # else 500 /* Work around a compiler bug */ 501 # define termEofCharp 0 502 # define termEraseCharp 0 503 # define termIntCharp 0 504 # define termKillCharp 0 505 # define termQuitCharp 0 506 # define termSuspCharp 0 507 # define termFlushCharp 0 508 # define termWerasCharp 0 509 # define termRprntCharp 0 510 # define termLiteralNextCharp 0 511 # define termStartCharp 0 512 # define termStopCharp 0 513 # define termForw1Charp 0 514 # define termForw2Charp 0 515 # define termAytCharp 0 516 # endif 517 #endif 518 519 520 /* Ring buffer structures which are shared */ 521 522 extern Ring 523 netoring, 524 netiring, 525 ttyoring, 526 ttyiring; 527 528 /* Tn3270 section */ 529 #if defined(TN3270) 530 531 extern int 532 HaveInput, /* Whether an asynchronous I/O indication came in */ 533 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 534 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 535 sigiocount, /* Count of SIGIO receptions */ 536 shell_active; /* Subshell is active */ 537 538 extern char 539 *Ibackp, /* Oldest byte of 3270 data */ 540 Ibuf[], /* 3270 buffer */ 541 *Ifrontp, /* Where next 3270 byte goes */ 542 tline[], 543 *transcom; /* Transparent command */ 544 545 /* tn3270.c */ 546 void init_3270 P((void)); 547 int DataToNetwork P((char *, int, int)); 548 void inputAvailable P((int)); 549 void outputPurge P((void)); 550 int DataToTerminal P((char *, int)); 551 int Push3270 P((void)); 552 void Finish3270 P((void)); 553 void StringToTerminal P((char *)); 554 void _putchar P((int)); 555 void SetIn3270 P((void)); 556 int tn3270_ttype P((void)); 557 int settranscom P((int, char *[])); 558 559 #endif /* defined(TN3270) */ 560
Indexes created Fri Sep 26 20:09:58 GMT 2025