src/extern.h

   1 /* Copyright (c) 1993-2002
   2  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   3  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   4  * Copyright (c) 1987 Oliver Laumann
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2, or (at your option)
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program (see the file COPYING); if not, write to the
  18  * Free Software Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  20  *
  21  ****************************************************************
  22  * $Id$ FAU
  23  */
  24
  25 #if !defined(__GNUC__) || __GNUC__ < 2
  26 #undef __attribute__
  27 #define __attribute__(x)
  28 #endif
  29
  30 /* screen.c */
  31 extern int   main __P((int, char **));
  32 extern sigret_t SigHup __P(SIGPROTOARG);
  33 extern void  eexit __P((int));
  34 extern void  Detach __P((int));
  35 extern void  Hangup __P((void));
  36 extern void  Kill __P((int, int));
  37 #ifdef USEVARARGS
  38 extern void  Msg __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
  39 extern void  Panic __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
  40 #else
  41 extern void  Msg __P(());
  42 extern void  Panic __P(());
  43 #endif
  44 extern void  Finit __P((int));
  45 extern void  MakeNewEnv __P((void));
  46 extern char *MakeWinMsg __P((char *, struct win *, int));
  47 extern char *MakeWinMsgEv __P((char *, struct win *, int, int, struct event *, int));
  48 extern void  PutWinMsg __P((char *, int, int));
  49 extern void  WindowDied __P((struct win *, int, int));
  50 extern void  setbacktick __P((int, int, int, char **));
  51
  52 /* ansi.c */
  53 extern void  ResetAnsiState __P((struct win *));
  54 extern void  ResetWindow __P((struct win *));
  55 extern void  ResetCharsets __P((struct win *));
  56 extern void  WriteString __P((struct win *, char *, int));
  57 extern void  ChangeAKA __P((struct win *, char *, int));
  58 extern void  SetCharsets __P((struct win *, char *));
  59 extern int   GetAnsiStatus __P((struct win *, char *));
  60 extern void  WNewAutoFlow __P((struct win *, int));
  61 extern void  WBell __P((struct win *, int));
  62 extern void  WMsg __P((struct win *, int, char *));
  63 extern void  WChangeSize __P((struct win *, int, int));
  64 extern void  WindowChanged __P((struct win *, int));
  65 extern int   MFindUsedLine __P((struct win *, int, int));
  66
  67 /* fileio.c */
  68 extern int   StartRc __P((char *, int));
  69 extern void  FinishRc __P((char *));
  70 extern void  RcLine __P((char *, int));
  71 extern FILE *secfopen __P((char *, char *));
  72 extern int   secopen __P((char *, int, int));
  73 extern void  WriteFile __P((struct acluser *, char *, int));
  74 extern char *ReadFile __P((char *, int *));
  75 extern void  KillBuffers __P((void));
  76 extern int   printpipe __P((struct win *, char *));
  77 extern int   readpipe __P((char **));
  78 extern void  RunBlanker __P((char **));
  79 extern void  do_source __P((char *));
  80
  81 /* tty.c */
  82 extern int   OpenTTY __P((char *, char *));
  83 extern void  InitTTY __P((struct mode *, int));
  84 extern void  GetTTY __P((int, struct mode *));
  85 extern void  SetTTY __P((int, struct mode *));
  86 extern void  SetMode __P((struct mode *, struct mode *, int, int));
  87 extern void  SetFlow __P((int));
  88 extern void  SendBreak __P((struct win *, int, int));
  89 extern int   TtyGrabConsole __P((int, int, char *));
  90 extern char *TtyGetModemStatus __P((int, char *));
  91 #ifdef DEBUG
  92 extern void  DebugTTY __P((struct mode *));
  93 #endif /* DEBUG */
  94 extern int   fgtty __P((int));
  95 extern void  brktty __P((int));
  96 extern struct baud_values *lookup_baud __P((int bps));
  97 extern int   SetBaud __P((struct mode *, int, int));
  98 extern int   SttyMode __P((struct mode *, char *));
  99
 100
 101 /* mark.c */
 102 extern int   GetHistory __P((void));
 103 extern void  MarkRoutine __P((void));
 104 extern void  revto_line __P((int, int, int));
 105 extern void  revto __P((int, int));
 106 extern int   InMark __P((void));
 107 extern void  MakePaster __P((struct paster *, char *, int, int));
 108 extern void  FreePaster __P((struct paster *));
 109
 110 /* search.c */
 111 extern void  Search __P((int));
 112 extern void  ISearch __P((int));
 113
 114 /* input.c */
 115 extern void  inp_setprompt __P((char *, char *));
 116 extern void  Input __P((char *, int, int, void (*)(char *, int, char *), char *, int));
 117 extern int   InInput __P((void));
 118
 119 /* help.c */
 120 extern void  exit_with_usage __P((char *, char *, char *));
 121 extern void  display_help __P((char *, struct action *));
 122 extern void  display_copyright __P((void));
 123 extern void  display_displays __P((void));
 124 extern void  display_bindkey __P((char *, struct action *));
 125 extern void  display_wlist __P((int, int, struct win *));
 126 extern int   InWList __P((void));
 127 extern void  WListUpdatecv __P((struct canvas *, struct win *));
 128 extern void  WListLinkChanged __P((void));
 129 #ifdef ZMODEM
 130 extern void  ZmodemPage __P((void));
 131 #endif
 132
 133 /* window.c */
 134 extern int   MakeWindow __P((struct NewWindow *));
 135 extern int   RemakeWindow __P((struct win *));
 136 extern void  FreeWindow __P((struct win *));
 137 #ifdef PSEUDOS
 138 extern int   winexec __P((char **));
 139 extern void  FreePseudowin __P((struct win *));
 140 #endif
 141 extern void  nwin_compose __P((struct NewWindow *, struct NewWindow *, struct NewWindow *));
 142 extern int   DoStartLog __P((struct win *, char *, int));
 143 extern int   ReleaseAutoWritelock __P((struct display *, struct win *));
 144 extern int   ObtainAutoWritelock __P((struct display *, struct win *));
 145 extern void  CloseDevice __P((struct win *));
 146 #ifdef ZMODEM
 147 extern void  zmodem_abort __P((struct win *, struct display *));
 148 #endif
 149 extern void  execvpe __P((char *, char **, char **));
 150
 151 /* utmp.c */
 152 #ifdef UTMPOK
 153 extern void  InitUtmp __P((void));
 154 extern void  RemoveLoginSlot __P((void));
 155 extern void  RestoreLoginSlot __P((void));
 156 extern int   SetUtmp __P((struct win *));
 157 extern int   RemoveUtmp __P((struct win *));
 158 #endif /* UTMPOK */
 159 extern void  SlotToggle __P((int));
 160 #ifdef USRLIMIT
 161 extern int   CountUsers __P((void));
 162 #endif
 163 #ifdef CAREFULUTMP
 164 extern void   CarefulUtmp __P((void));
 165 #else
 166 # define CarefulUtmp()  /* nothing */
 167 #endif /* CAREFULUTMP */
 168
 169
 170 /* loadav.c */
 171 #ifdef LOADAV
 172 extern void  InitLoadav __P((void));
 173 extern void  AddLoadav __P((char *));
 174 #endif
 175
 176 /* pty.c */
 177 extern int   OpenPTY __P((char **));
 178 extern void  InitPTY __P((int));
 179
 180 /* process.c */
 181 extern void  InitKeytab __P((void));
 182 extern void  ProcessInput __P((char *, int));
 183 #ifdef MAPKEYS
 184 extern void  ProcessInput2 __P((char *, int));
 185 #endif
 186 extern void  DoProcess __P((struct win *, char **, int *, struct paster *));
 187 extern void  DoAction  __P((struct action *, int));
 188 extern int   FindCommnr __P((char *));
 189 extern void  DoCommand __P((char **, int *));
 190 extern void  Activate __P((int));
 191 extern void  KillWindow __P((struct win *));
 192 extern void  SetForeWindow __P((struct win *));
 193 extern int   Parse __P((char *, int, char **, int *));
 194 extern void  SetEscape __P((struct acluser *, int, int));
 195 extern void  DoScreen __P((char *, char **));
 196 extern int   IsNumColon __P((char *, int, char *, int));
 197 extern void  ShowWindows __P((int));
 198 extern char *AddWindows __P((char *, int, int, int));
 199 extern char *AddWindowFlags __P((char *, int, struct win *));
 200 extern char *AddOtherUsers __P((char *, int, struct win *));
 201 extern int   WindowByNoN __P((char *));
 202 extern struct win *FindNiceWindow __P((struct win *, char *));
 203 #ifdef COPY_PASTE
 204 extern int   CompileKeys __P((char *, int, unsigned char *));
 205 #endif
 206 #ifdef RXVT_OSC
 207 extern void  RefreshXtermOSC __P((void));
 208 #endif
 209 extern int   ParseSaveStr __P((struct action *act, char **));
 210 extern int   ParseNum __P((struct action *act, int *));
 211 extern int   ParseSwitch __P((struct action *, int *));
 212 extern int   ParseAttrColor __P((char *, char *, int));
 213 extern void  ApplyAttrColor __P((int, struct mchar *));
 214 extern void  SwitchWindow __P((int));
 215 extern int   StuffKey __P((int));
 216
 217 /* termcap.c */
 218 extern int   InitTermcap __P((int, int));
 219 extern char *MakeTermcap __P((int));
 220 extern char *gettermcapstring __P((char *));
 221 #ifdef MAPKEYS
 222 extern int   remap __P((int, int));
 223 extern void  CheckEscape __P((void));
 224 #endif
 225 extern int   CreateTransTable __P((char *));
 226 extern void  FreeTransTable __P((void));
 227
 228 /* attacher.c */
 229 extern int   Attach __P((int));
 230 extern void  Attacher __P((void));
 231 extern sigret_t AttacherFinit __P(SIGPROTOARG);
 232 extern void  SendCmdMessage __P((char *, char *, char **));
 233
 234 /* display.c */
 235 extern struct display *MakeDisplay __P((char *, char *, char *, int, int, struct mode *));
 236 extern void  FreeDisplay __P((void));
 237 extern void  DefProcess __P((char **, int *));
 238 extern void  DefRedisplayLine __P((int, int, int, int));
 239 extern void  DefClearLine __P((int, int, int, int));
 240 extern int   DefRewrite __P((int, int, int, struct mchar *, int));
 241 extern int   DefResize __P((int, int));
 242 extern void  DefRestore __P((void));
 243 extern void  AddCStr __P((char *));
 244 extern void  AddCStr2 __P((char *, int));
 245 extern void  InitTerm __P((int));
 246 extern void  FinitTerm __P((void));
 247 extern void  PUTCHAR __P((int));
 248 extern void  PUTCHARLP __P((int));
 249 extern void  ClearAll __P((void));
 250 extern void  ClearArea __P((int, int, int, int, int, int, int, int));
 251 extern void  ClearLine __P((struct mline *, int, int, int, int));
 252 extern void  RefreshAll __P((int));
 253 extern void  RefreshArea __P((int, int, int, int, int));
 254 extern void  RefreshLine __P((int, int, int, int));
 255 extern void  Redisplay __P((int));
 256 extern void  RedisplayDisplays __P((int));
 257 extern void  ShowHStatus __P((char *));
 258 extern void  RefreshHStatus __P((void));
 259 extern void  DisplayLine __P((struct mline *, struct mline *, int, int, int));
 260 extern void  GotoPos __P((int, int));
 261 extern int   CalcCost __P((char *));
 262 extern void  ScrollH __P((int, int, int, int, int, struct mline *));
 263 extern void  ScrollV __P((int, int, int, int, int, int));
 264 extern void  PutChar __P((struct mchar *, int, int));
 265 extern void  InsChar __P((struct mchar *, int, int, int, struct mline *));
 266 extern void  WrapChar __P((struct mchar *, int, int, int, int, int, int, int));
 267 extern void  ChangeScrollRegion __P((int, int));
 268 extern void  InsertMode __P((int));
 269 extern void  KeypadMode __P((int));
 270 extern void  CursorkeysMode __P((int));
 271 extern void  ReverseVideo __P((int));
 272 extern void  CursorVisibility __P((int));
 273 extern void  MouseMode __P((int));
 274 extern void  SetFont __P((int));
 275 extern void  SetAttr __P((int));
 276 extern void  SetColor __P((int, int));
 277 extern void  SetRendition __P((struct mchar *));
 278 extern void  SetRenditionMline __P((struct mline *, int));
 279 extern void  MakeStatus __P((char *));
 280 extern void  RemoveStatus __P((void));
 281 extern int   ResizeDisplay __P((int, int));
 282 extern void  AddStr __P((char *));
 283 extern void  AddStrn __P((char *, int));
 284 extern void  Flush __P((void));
 285 extern void  freetty __P((void));
 286 extern void  Resize_obuf __P((void));
 287 #ifdef AUTO_NUKE
 288 extern void  NukePending __P((void));
 289 #endif
 290 extern void  SetCanvasWindow __P((struct canvas *, struct win *));
 291 extern int   MakeDefaultCanvas __P((void));
 292 extern int   AddCanvas __P((int));
 293 extern void  RemCanvas __P((void));
 294 extern void  OneCanvas __P((void));
 295 extern void  ResizeCanvas __P((struct canvas *));
 296 extern void  RecreateCanvasChain __P((void));
 297 extern int   RethinkDisplayViewports __P((void));
 298 extern void  RethinkViewportOffsets __P((struct canvas *));
 299 extern int   CountCanvasPerp __P((struct canvas *));
 300 extern void  EqualizeCanvas __P((struct canvas *, int));
 301 #ifdef RXVT_OSC
 302 extern void  ClearAllXtermOSC __P((void));
 303 extern void  SetXtermOSC __P((int, char *));
 304 #endif
 305 #ifdef COLOR
 306 extern int   color256to16 __P((int));
 307 # ifdef COLORS256
 308 extern int   color256to88 __P((int));
 309 # endif
 310 #endif
 311 extern void  ResetIdle __P((void));
 312 extern void  KillBlanker __P((void));
 313 extern void  DisplaySleep1000 __P((int, int));
 314 extern void  AutosaveLayout __P((struct layout *));
 315 extern void  LoadLayout __P((struct layout *, struct canvas *));
 316 extern void  NewLayout __P((char *, int));
 317 extern void  SaveLayout __P((char *, struct canvas *));
 318 extern void  ShowLayouts __P((int));
 319 extern struct layout *FindLayout __P((char *));
 320
 321 /* resize.c */
 322 extern int   ChangeWindowSize __P((struct win *, int, int, int));
 323 extern void  ChangeScreenSize __P((int, int, int));
 324 extern void  CheckScreenSize __P((int));
 325 extern char *xrealloc __P((char *, int));
 326 extern void  ResizeLayersToCanvases __P((void));
 327 extern void  ResizeLayer __P((struct layer *, int, int, struct display *));
 328 extern int   MayResizeLayer __P((struct layer *));
 329 extern void  FreeAltScreen __P((struct win *));
 330 extern void  EnterAltScreen __P((struct win *));
 331 extern void  LeaveAltScreen __P((struct win *));
 332
 333 /* sched.c */
 334 extern void  evenq __P((struct event *));
 335 extern void  evdeq __P((struct event *));
 336 extern void  SetTimeout __P((struct event *, int));
 337 extern void  sched __P((void));
 338
 339 /* socket.c */
 340 extern int   FindSocket __P((int *, int *, int *, char *));
 341 extern int   MakeClientSocket __P((int));
 342 extern int   MakeServerSocket __P((void));
 343 extern int   RecoverSocket __P((void));
 344 extern int   chsock __P((void));
 345 extern void  ReceiveMsg __P((void));
 346 extern void  SendCreateMsg __P((char *, struct NewWindow *));
 347 extern int   SendErrorMsg __P((char *, char *));
 348 extern int   SendAttachMsg __P((int, struct msg *, int));
 349
 350 /* misc.c */
 351 extern char *SaveStr __P((const char *));
 352 extern char *SaveStrn __P((const char *, int));
 353 extern char *InStr __P((char *, const char *));
 354 #ifndef HAVE_STRERROR
 355 extern char *strerror __P((int));
 356 #endif
 357 extern void  centerline __P((char *, int));
 358 extern void  leftline __P((char *, int));
 359 extern char *Filename __P((char *));
 360 extern char *stripdev __P((char *));
 361 #ifdef NEED_OWN_BCOPY
 362 extern void  xbcopy __P((char *, char *, int));
 363 #endif
 364 extern void  bclear __P((char *, int));
 365 extern void  closeallfiles __P((int));
 366 extern int   UserContext __P((void));
 367 extern void  UserReturn __P((int));
 368 extern int   UserStatus __P((void));
 369 #if defined(POSIX) || defined(hpux)
 370 extern void (*xsignal __P((int, void (*)SIGPROTOARG))) __P(SIGPROTOARG);
 371 #endif
 372 #ifndef HAVE_RENAME
 373 extern int   rename __P((char *, char *));
 374 #endif
 375 #if defined(HAVE_SETEUID) || defined(HAVE_SETREUID)
 376 extern void  xseteuid  __P((int));
 377 extern void  xsetegid  __P((int));
 378 #endif
 379 extern int   AddXChar __P((char *, int));
 380 extern int   AddXChars __P((char *, int, char *));
 381 extern void  xsetenv  __P((char *, char *));
 382 extern void  sleep1000 __P((int));
 383 #ifdef DEBUG
 384 extern void  opendebug __P((int, int));
 385 #endif
 386 #ifdef USEVARARGS
 387 # ifndef HAVE_VSNPRINTF
 388 extern int   xvsnprintf __P((char *, int, char *, va_list));
 389 # endif
 390 #else
 391 extern int   xsnprintf __P(());
 392 #endif
 393
 394
 395 /* acl.c */
 396 #ifdef MULTIUSER
 397 extern int   AclCheckPermWin __P((struct acluser *, int, struct win *));
 398 extern int   AclCheckPermCmd __P((struct acluser *, int, struct comm *));
 399 extern int   AclSetPerm __P((struct acluser *, struct acluser *, char *, char *));
 400 extern int   AclUmask __P((struct acluser *, char *, char **));
 401 extern int   UsersAcl __P((struct acluser *, int, char **));
 402 extern void  AclWinSwap __P((int, int));
 403 extern int   NewWindowAcl __P((struct win *, struct acluser *));
 404 extern void  FreeWindowAcl __P((struct win *));
 405 extern char *DoSu __P((struct acluser **, char *, char *, char *));
 406 extern int   AclLinkUser __P((char *, char *));
 407 #endif /* MULTIUSER */
 408 extern int   UserFreeCopyBuffer __P((struct acluser *));
 409 extern struct acluser **FindUserPtr __P((char *));
 410 extern int   UserAdd __P((char *, char *, struct acluser **));
 411 extern int   UserDel __P((char *, struct acluser **));
 412
 413
 414 /* braile.c */
 415 #ifdef HAVE_BRAILLE
 416 extern void  InitBraille __P((void));
 417 extern void  RefreshBraille __P((void));
 418 extern void  DoBrailleAction __P((struct action *, int));
 419 extern void  BGotoPos __P((struct layer *, int, int));
 420 extern void  BPutChar __P((struct layer *, struct mchar *, int, int));
 421 extern void  BPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
 422 extern void  BCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));
 423 #endif
 424
 425
 426
 427
 428 /* layer.c */
 429 extern void  LGotoPos __P((struct layer *, int, int));
 430 extern void  LPutChar __P((struct layer *, struct mchar *, int, int));
 431 extern void  LInsChar __P((struct layer *, struct mchar *, int, int, struct mline *));
 432 extern void  LPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
 433 extern void  LPutWinMsg __P((struct layer *, char *, int, struct mchar *, int, int));
 434 extern void  LScrollH __P((struct layer *, int, int, int, int, int, struct mline *));
 435 extern void  LScrollV __P((struct layer *, int, int, int, int));
 436 extern void  LClearAll __P((struct layer *, int));
 437 extern void  LClearArea __P((struct layer *, int, int, int, int, int, int));
 438 extern void  LClearLine __P((struct layer *, int, int, int, int, struct mline *));
 439 extern void  LRefreshAll __P((struct layer *, int));
 440 extern void  LCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));
 441 extern void  LCDisplayLineWrap __P((struct layer *, struct mline *, int, int, int, int));
 442 extern void  LSetRendition __P((struct layer *, struct mchar *));
 443 extern void  LWrapChar  __P((struct layer *, struct mchar *, int, int, int, int));
 444 extern void  LCursorVisibility __P((struct layer *, int));
 445 extern void  LSetFlow __P((struct layer *, int));
 446 extern void  LKeypadMode __P((struct layer *, int));
 447 extern void  LCursorkeysMode __P((struct layer *, int));
 448 extern void  LMouseMode __P((struct layer *, int));
 449 #ifdef USEVARARGS
 450 extern void  LMsg __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
 451 #else
 452 extern void  LMsg __P(());
 453 #endif
 454 extern void  KillLayerChain __P((struct layer *));
 455 extern int   InitOverlayPage __P((int, struct LayFuncs *, int));
 456 extern void  ExitOverlayPage __P((void));
 457
 458 /* teln.c */
 459 #ifdef BUILTIN_TELNET
 460 extern int   TelOpen __P((char **));
 461 extern int   TelConnect __P((struct win *));
 462 extern int   TelIsline __P((struct win *p));
 463 extern void  TelProcessLine __P((char **, int *));
 464 extern int   DoTelnet __P((char *, int *, int));
 465 extern int   TelIn __P((struct win *, char *, int, int));
 466 extern void  TelBreak __P((struct win *));
 467 extern void  TelWindowSize __P((struct win *));
 468 extern void  TelStatus __P((struct win *, char *, int));
 469 #endif
 470
 471 /* nethack.c */
 472 extern char *DoNLS __P((char *));
 473
 474 /* encoding.c */
 475 #ifdef ENCODINGS
 476 # ifdef UTF8
 477 extern void  InitBuiltinTabs __P((void));
 478 extern struct mchar *recode_mchar __P((struct mchar *, int, int));
 479 extern struct mline *recode_mline __P((struct mline *, int, int, int));
 480 extern int   FromUtf8 __P((int, int *));
 481 extern void  AddUtf8 __P((int));
 482 extern int   ToUtf8 __P((char *, int));
 483 extern int   ToUtf8_comb __P((char *, int));
 484 extern int   utf8_isdouble __P((int));
 485 extern int   utf8_iscomb __P((int));
 486 extern void  utf8_handle_comb __P((int, struct mchar *));
 487 extern int   ContainsSpecialDeffont __P((struct mline *, int, int, int));
 488 extern int   LoadFontTranslation __P((int, char *));
 489 extern void  LoadFontTranslationsForEncoding __P((int));
 490 # endif /* UTF8 */
 491 extern void  WinSwitchEncoding __P((struct win *, int));
 492 extern int   FindEncoding __P((char *));
 493 extern char *EncodingName __P((int));
 494 extern int   EncodingDefFont __P((int));
 495 extern void  ResetEncoding __P((struct win *));
 496 extern int   CanEncodeFont __P((int, int));
 497 extern int   DecodeChar __P((int, int, int *));
 498 extern int   RecodeBuf __P((unsigned char *, int, int, int, unsigned char *));
 499 # ifdef DW_CHARS
 500 extern int   PrepareEncodedChar __P((int));
 501 # endif
 502 #endif
 503 extern int   EncodeChar __P((char *, int, int, int *));