src/extern.h

   1 /* Copyright (c) 2008
   2  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   3  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   4  *      Micah Cowan (micah@cowan.name)
   5  *      Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
   6  * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
   7  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   8  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   9  * Copyright (c) 1987 Oliver Laumann
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 3, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program (see the file COPYING); if not, see
  23  * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
  24  * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  25  *
  26  ****************************************************************
  27  * $Id$ FAU
  28  */
  29
  30 #if !defined(__GNUC__) || __GNUC__ < 2
  31 #undef __attribute__
  32 #define __attribute__(x)
  33 #endif
  34
  35 /* screen.c */
  36 extern int   main __P((int, char **));
  37 extern sigret_t SigHup __P(SIGPROTOARG);
  38 extern void  eexit __P((int));
  39 extern void  Detach __P((int));
  40 extern void  Hangup __P((void));
  41 extern void  Kill __P((int, int));
  42 #ifdef USEVARARGS
  43 extern void  Msg __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
  44 extern void  Panic __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
  45 #else
  46 extern void  Msg __P(());
  47 extern void  Panic __P(());
  48 #endif
  49 extern void  Finit __P((int));
  50 extern void  MakeNewEnv __P((void));
  51 extern char *MakeWinMsg __P((char *, struct win *, int));
  52 extern char *MakeWinMsgEv __P((char *, struct win *, int, int, struct event *, int));
  53 extern void  PutWinMsg __P((char *, int, int));
  54 extern void  WindowDied __P((struct win *, int, int));
  55 extern void  setbacktick __P((int, int, int, char **));
  56
  57 /* ansi.c */
  58 extern void  ResetAnsiState __P((struct win *));
  59 extern void  ResetWindow __P((struct win *));
  60 extern void  ResetCharsets __P((struct win *));
  61 extern void  WriteString __P((struct win *, char *, int));
  62 extern void  ChangeAKA __P((struct win *, char *, int));
  63 extern void  SetCharsets __P((struct win *, char *));
  64 extern int   GetAnsiStatus __P((struct win *, char *));
  65 extern void  WNewAutoFlow __P((struct win *, int));
  66 extern void  WBell __P((struct win *, int));
  67 extern void  WMsg __P((struct win *, int, char *));
  68 extern void  WChangeSize __P((struct win *, int, int));
  69 extern void  WindowChanged __P((struct win *, int));
  70 extern int   MFindUsedLine __P((struct win *, int, int));
  71
  72 /* fileio.c */
  73 extern int   StartRc __P((char *, int));
  74 extern void  FinishRc __P((char *));
  75 extern void  RcLine __P((char *, int));
  76 extern FILE *secfopen __P((char *, char *));
  77 extern int   secopen __P((char *, int, int));
  78 extern void  WriteFile __P((struct acluser *, char *, int));
  79 extern char *ReadFile __P((char *, int *));
  80 extern void  KillBuffers __P((void));
  81 extern int   printpipe __P((struct win *, char *));
  82 extern int   readpipe __P((char **));
  83 extern void  RunBlanker __P((char **));
  84 extern void  do_source __P((char *));
  85
  86 /* tty.c */
  87 extern int   OpenTTY __P((char *, char *));
  88 extern void  InitTTY __P((struct mode *, int));
  89 extern void  GetTTY __P((int, struct mode *));
  90 extern void  SetTTY __P((int, struct mode *));
  91 extern void  SetMode __P((struct mode *, struct mode *, int, int));
  92 extern void  SetFlow __P((int));
  93 extern void  SendBreak __P((struct win *, int, int));
  94 extern int   TtyGrabConsole __P((int, int, char *));
  95 extern char *TtyGetModemStatus __P((int, char *));
  96 #ifdef DEBUG
  97 extern void  DebugTTY __P((struct mode *));
  98 #endif /* DEBUG */
  99 extern int   fgtty __P((int));
 100 extern void  brktty __P((int));
 101 extern struct baud_values *lookup_baud __P((int bps));
 102 extern int   SetBaud __P((struct mode *, int, int));
 103 extern int   SttyMode __P((struct mode *, char *));
 104
 105
 106 /* mark.c */
 107 extern int   GetHistory __P((void));
 108 extern void  MarkRoutine __P((void));
 109 extern void  revto_line __P((int, int, int));
 110 extern void  revto __P((int, int));
 111 extern int   InMark __P((void));
 112 extern void  MakePaster __P((struct paster *, char *, int, int));
 113 extern void  FreePaster __P((struct paster *));
 114
 115 /* search.c */
 116 extern void  Search __P((int));
 117 extern void  ISearch __P((int));
 118
 119 /* input.c */
 120 extern void  inp_setprompt __P((char *, char *));
 121 extern void  Input __P((char *, int, int, void (*)(char *, int, char *), char *, int));
 122 extern int   InInput __P((void));
 123
 124 /* help.c */
 125 extern void  exit_with_usage __P((char *, char *, char *));
 126 extern void  display_help __P((char *, struct action *));
 127 extern void  display_copyright __P((void));
 128 extern void  display_displays __P((void));
 129 extern void  display_bindkey __P((char *, struct action *));
 130 extern void  display_wlist __P((int, int, struct win *));
 131 extern int   InWList __P((void));
 132 extern void  WListUpdatecv __P((struct canvas *, struct win *));
 133 extern void  WListLinkChanged __P((void));
 134 #ifdef ZMODEM
 135 extern void  ZmodemPage __P((void));
 136 #endif
 137
 138 /* window.c */
 139 extern int   MakeWindow __P((struct NewWindow *));
 140 extern int   RemakeWindow __P((struct win *));
 141 extern void  FreeWindow __P((struct win *));
 142 #ifdef PSEUDOS
 143 extern int   winexec __P((char **));
 144 extern void  FreePseudowin __P((struct win *));
 145 #endif
 146 extern void  nwin_compose __P((struct NewWindow *, struct NewWindow *, struct NewWindow *));
 147 extern int   DoStartLog __P((struct win *, char *, int));
 148 extern int   ReleaseAutoWritelock __P((struct display *, struct win *));
 149 extern int   ObtainAutoWritelock __P((struct display *, struct win *));
 150 extern void  CloseDevice __P((struct win *));
 151 #ifdef ZMODEM
 152 extern void  zmodem_abort __P((struct win *, struct display *));
 153 #endif
 154 extern void  execvpe __P((char *, char **, char **));
 155
 156 /* utmp.c */
 157 #ifdef UTMPOK
 158 extern void  InitUtmp __P((void));
 159 extern void  RemoveLoginSlot __P((void));
 160 extern void  RestoreLoginSlot __P((void));
 161 extern int   SetUtmp __P((struct win *));
 162 extern int   RemoveUtmp __P((struct win *));
 163 #endif /* UTMPOK */
 164 extern void  SlotToggle __P((int));
 165 #ifdef USRLIMIT
 166 extern int   CountUsers __P((void));
 167 #endif
 168 #ifdef CAREFULUTMP
 169 extern void   CarefulUtmp __P((void));
 170 #else
 171 # define CarefulUtmp()  /* nothing */
 172 #endif /* CAREFULUTMP */
 173
 174
 175 /* loadav.c */
 176 #ifdef LOADAV
 177 extern void  InitLoadav __P((void));
 178 extern void  AddLoadav __P((char *));
 179 #endif
 180
 181 /* pty.c */
 182 extern int   OpenPTY __P((char **));
 183 extern void  InitPTY __P((int));
 184
 185 /* process.c */
 186 extern void  InitKeytab __P((void));
 187 extern void  ProcessInput __P((char *, int));
 188 #ifdef MAPKEYS
 189 extern void  ProcessInput2 __P((char *, int));
 190 #endif
 191 extern void  DoProcess __P((struct win *, char **, int *, struct paster *));
 192 extern void  DoAction  __P((struct action *, int));
 193 extern int   FindCommnr __P((char *));
 194 extern void  DoCommand __P((char **, int *));
 195 extern void  Activate __P((int));
 196 extern void  KillWindow __P((struct win *));
 197 extern void  SetForeWindow __P((struct win *));
 198 extern int   Parse __P((char *, int, char **, int *));
 199 extern void  SetEscape __P((struct acluser *, int, int));
 200 extern void  DoScreen __P((char *, char **));
 201 extern int   IsNumColon __P((char *, int, char *, int));
 202 extern void  ShowWindows __P((int));
 203 extern char *AddWindows __P((char *, int, int, int));
 204 extern char *AddWindowFlags __P((char *, int, struct win *));
 205 extern char *AddOtherUsers __P((char *, int, struct win *));
 206 extern int   WindowByNoN __P((char *));
 207 extern struct win *FindNiceWindow __P((struct win *, char *));
 208 #ifdef COPY_PASTE
 209 extern int   CompileKeys __P((char *, int, unsigned char *));
 210 #endif
 211 #ifdef RXVT_OSC
 212 extern void  RefreshXtermOSC __P((void));
 213 #endif
 214 extern int   ParseSaveStr __P((struct action *act, char **));
 215 extern int   ParseNum __P((struct action *act, int *));
 216 extern int   ParseSwitch __P((struct action *, int *));
 217 extern int   ParseAttrColor __P((char *, char *, int));
 218 extern void  ApplyAttrColor __P((int, struct mchar *));
 219 extern void  SwitchWindow __P((int));
 220 extern int   StuffKey __P((int));
 221
 222 /* termcap.c */
 223 extern int   InitTermcap __P((int, int));
 224 extern char *MakeTermcap __P((int));
 225 extern char *gettermcapstring __P((char *));
 226 #ifdef MAPKEYS
 227 extern int   remap __P((int, int));
 228 extern void  CheckEscape __P((void));
 229 #endif
 230 extern int   CreateTransTable __P((char *));
 231 extern void  FreeTransTable __P((void));
 232
 233 /* attacher.c */
 234 extern int   Attach __P((int));
 235 extern void  Attacher __P((void));
 236 extern sigret_t AttacherFinit __P(SIGPROTOARG);
 237 extern void  SendCmdMessage __P((char *, char *, char **));
 238
 239 /* display.c */
 240 extern struct display *MakeDisplay __P((char *, char *, char *, int, int, struct mode *));
 241 extern void  FreeDisplay __P((void));
 242 extern void  DefProcess __P((char **, int *));
 243 extern void  DefRedisplayLine __P((int, int, int, int));
 244 extern void  DefClearLine __P((int, int, int, int));
 245 extern int   DefRewrite __P((int, int, int, struct mchar *, int));
 246 extern int   DefResize __P((int, int));
 247 extern void  DefRestore __P((void));
 248 extern void  AddCStr __P((char *));
 249 extern void  AddCStr2 __P((char *, int));
 250 extern void  InitTerm __P((int));
 251 extern void  FinitTerm __P((void));
 252 extern void  PUTCHAR __P((int));
 253 extern void  PUTCHARLP __P((int));
 254 extern void  ClearAll __P((void));
 255 extern void  ClearArea __P((int, int, int, int, int, int, int, int));
 256 extern void  ClearLine __P((struct mline *, int, int, int, int));
 257 extern void  RefreshAll __P((int));
 258 extern void  RefreshArea __P((int, int, int, int, int));
 259 extern void  RefreshLine __P((int, int, int, int));
 260 extern void  Redisplay __P((int));
 261 extern void  RedisplayDisplays __P((int));
 262 extern void  ShowHStatus __P((char *));
 263 extern void  RefreshHStatus __P((void));
 264 extern void  DisplayLine __P((struct mline *, struct mline *, int, int, int));
 265 extern void  GotoPos __P((int, int));
 266 extern int   CalcCost __P((char *));
 267 extern void  ScrollH __P((int, int, int, int, int, struct mline *));
 268 extern void  ScrollV __P((int, int, int, int, int, int));
 269 extern void  PutChar __P((struct mchar *, int, int));
 270 extern void  InsChar __P((struct mchar *, int, int, int, struct mline *));
 271 extern void  WrapChar __P((struct mchar *, int, int, int, int, int, int, int));
 272 extern void  ChangeScrollRegion __P((int, int));
 273 extern void  InsertMode __P((int));
 274 extern void  KeypadMode __P((int));
 275 extern void  CursorkeysMode __P((int));
 276 extern void  ReverseVideo __P((int));
 277 extern void  CursorVisibility __P((int));
 278 extern void  MouseMode __P((int));
 279 extern void  SetFont __P((int));
 280 extern void  SetAttr __P((int));
 281 extern void  SetColor __P((int, int));
 282 extern void  SetRendition __P((struct mchar *));
 283 extern void  SetRenditionMline __P((struct mline *, int));
 284 extern void  MakeStatus __P((char *));
 285 extern void  RemoveStatus __P((void));
 286 extern int   ResizeDisplay __P((int, int));
 287 extern void  AddStr __P((char *));
 288 extern void  AddStrn __P((char *, int));
 289 extern void  Flush __P((void));
 290 extern void  freetty __P((void));
 291 extern void  Resize_obuf __P((void));
 292 #ifdef AUTO_NUKE
 293 extern void  NukePending __P((void));
 294 #endif
 295 extern void  SetCanvasWindow __P((struct canvas *, struct win *));
 296 extern int   MakeDefaultCanvas __P((void));
 297 extern int   AddCanvas __P((int));
 298 extern void  RemCanvas __P((void));
 299 extern void  OneCanvas __P((void));
 300 extern void  ResizeCanvas __P((struct canvas *));
 301 extern void  RecreateCanvasChain __P((void));
 302 extern int   RethinkDisplayViewports __P((void));
 303 extern void  RethinkViewportOffsets __P((struct canvas *));
 304 extern int   CountCanvasPerp __P((struct canvas *));
 305 extern void  EqualizeCanvas __P((struct canvas *, int));
 306 #ifdef RXVT_OSC
 307 extern void  ClearAllXtermOSC __P((void));
 308 extern void  SetXtermOSC __P((int, char *));
 309 #endif
 310 #ifdef COLOR
 311 extern int   color256to16 __P((int));
 312 # ifdef COLORS256
 313 extern int   color256to88 __P((int));
 314 # endif
 315 #endif
 316 extern void  ResetIdle __P((void));
 317 extern void  KillBlanker __P((void));
 318 extern void  DisplaySleep1000 __P((int, int));
 319 extern void  AutosaveLayout __P((struct layout *));
 320 extern void  LoadLayout __P((struct layout *, struct canvas *));
 321 extern void  NewLayout __P((char *, int));
 322 extern void  SaveLayout __P((char *, struct canvas *));
 323 extern void  ShowLayouts __P((int));
 324 extern struct layout *FindLayout __P((char *));
 325
 326 /* resize.c */
 327 extern int   ChangeWindowSize __P((struct win *, int, int, int));
 328 extern void  ChangeScreenSize __P((int, int, int));
 329 extern void  CheckScreenSize __P((int));
 330 extern char *xrealloc __P((char *, int));
 331 extern void  ResizeLayersToCanvases __P((void));
 332 extern void  ResizeLayer __P((struct layer *, int, int, struct display *));
 333 extern int   MayResizeLayer __P((struct layer *));
 334 extern void  FreeAltScreen __P((struct win *));
 335 extern void  EnterAltScreen __P((struct win *));
 336 extern void  LeaveAltScreen __P((struct win *));
 337
 338 /* sched.c */
 339 extern void  evenq __P((struct event *));
 340 extern void  evdeq __P((struct event *));
 341 extern void  SetTimeout __P((struct event *, int));
 342 extern void  sched __P((void));
 343
 344 /* socket.c */
 345 extern int   FindSocket __P((int *, int *, int *, char *));
 346 extern int   MakeClientSocket __P((int));
 347 extern int   MakeServerSocket __P((void));
 348 extern int   RecoverSocket __P((void));
 349 extern int   chsock __P((void));
 350 extern void  ReceiveMsg __P((void));
 351 extern void  SendCreateMsg __P((char *, struct NewWindow *));
 352 extern int   SendErrorMsg __P((char *, char *));
 353 extern int   SendAttachMsg __P((int, struct msg *, int));
 354
 355 /* misc.c */
 356 extern char *SaveStr __P((const char *));
 357 extern char *SaveStrn __P((const char *, int));
 358 extern char *InStr __P((char *, const char *));
 359 #ifndef HAVE_STRERROR
 360 extern char *strerror __P((int));
 361 #endif
 362 extern void  centerline __P((char *, int));
 363 extern void  leftline __P((char *, int));
 364 extern char *Filename __P((char *));
 365 extern char *stripdev __P((char *));
 366 #ifdef NEED_OWN_BCOPY
 367 extern void  xbcopy __P((char *, char *, int));
 368 #endif
 369 extern void  bclear __P((char *, int));
 370 extern void  closeallfiles __P((int));
 371 extern int   UserContext __P((void));
 372 extern void  UserReturn __P((int));
 373 extern int   UserStatus __P((void));
 374 #if defined(POSIX) || defined(hpux)
 375 extern void (*xsignal __P((int, void (*)SIGPROTOARG))) __P(SIGPROTOARG);
 376 #endif
 377 #ifndef HAVE_RENAME
 378 extern int   rename __P((char *, char *));
 379 #endif
 380 #if defined(HAVE_SETEUID) || defined(HAVE_SETREUID)
 381 extern void  xseteuid  __P((int));
 382 extern void  xsetegid  __P((int));
 383 #endif
 384 extern int   AddXChar __P((char *, int));
 385 extern int   AddXChars __P((char *, int, char *));
 386 extern void  xsetenv  __P((char *, char *));
 387 extern void  sleep1000 __P((int));
 388 #ifdef DEBUG
 389 extern void  opendebug __P((int, int));
 390 #endif
 391 #ifdef USEVARARGS
 392 # ifndef HAVE_VSNPRINTF
 393 extern int   xvsnprintf __P((char *, int, char *, va_list));
 394 # endif
 395 #else
 396 extern int   xsnprintf __P(());
 397 #endif
 398
 399
 400 /* acl.c */
 401 #ifdef MULTIUSER
 402 extern int   AclCheckPermWin __P((struct acluser *, int, struct win *));
 403 extern int   AclCheckPermCmd __P((struct acluser *, int, struct comm *));
 404 extern int   AclSetPerm __P((struct acluser *, struct acluser *, char *, char *));
 405 extern int   AclUmask __P((struct acluser *, char *, char **));
 406 extern int   UsersAcl __P((struct acluser *, int, char **));
 407 extern void  AclWinSwap __P((int, int));
 408 extern int   NewWindowAcl __P((struct win *, struct acluser *));
 409 extern void  FreeWindowAcl __P((struct win *));
 410 extern char *DoSu __P((struct acluser **, char *, char *, char *));
 411 extern int   AclLinkUser __P((char *, char *));
 412 #endif /* MULTIUSER */
 413 extern int   UserFreeCopyBuffer __P((struct acluser *));
 414 extern struct acluser **FindUserPtr __P((char *));
 415 extern int   UserAdd __P((char *, char *, struct acluser **));
 416 extern int   UserDel __P((char *, struct acluser **));
 417
 418
 419 /* braile.c */
 420 #ifdef HAVE_BRAILLE
 421 extern void  InitBraille __P((void));
 422 extern void  RefreshBraille __P((void));
 423 extern void  DoBrailleAction __P((struct action *, int));
 424 extern void  BGotoPos __P((struct layer *, int, int));
 425 extern void  BPutChar __P((struct layer *, struct mchar *, int, int));
 426 extern void  BPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
 427 extern void  BCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));
 428 #endif
 429
 430
 431
 432
 433 /* layer.c */
 434 extern void  LGotoPos __P((struct layer *, int, int));
 435 extern void  LPutChar __P((struct layer *, struct mchar *, int, int));
 436 extern void  LInsChar __P((struct layer *, struct mchar *, int, int, struct mline *));
 437 extern void  LPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
 438 extern void  LPutWinMsg __P((struct layer *, char *, int, struct mchar *, int, int));
 439 extern void  LScrollH __P((struct layer *, int, int, int, int, int, struct mline *));
 440 extern void  LScrollV __P((struct layer *, int, int, int, int));
 441 extern void  LClearAll __P((struct layer *, int));
 442 extern void  LClearArea __P((struct layer *, int, int, int, int, int, int));
 443 extern void  LClearLine __P((struct layer *, int, int, int, int, struct mline *));
 444 extern void  LRefreshAll __P((struct layer *, int));
 445 extern void  LCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));
 446 extern void  LCDisplayLineWrap __P((struct layer *, struct mline *, int, int, int, int));
 447 extern void  LSetRendition __P((struct layer *, struct mchar *));
 448 extern void  LWrapChar  __P((struct layer *, struct mchar *, int, int, int, int));
 449 extern void  LCursorVisibility __P((struct layer *, int));
 450 extern void  LSetFlow __P((struct layer *, int));
 451 extern void  LKeypadMode __P((struct layer *, int));
 452 extern void  LCursorkeysMode __P((struct layer *, int));
 453 extern void  LMouseMode __P((struct layer *, int));
 454 #ifdef USEVARARGS
 455 extern void  LMsg __P((int, char *, ...)) __attribute__((format(printf, 2, 3)));
 456 #else
 457 extern void  LMsg __P(());
 458 #endif
 459 extern void  KillLayerChain __P((struct layer *));
 460 extern int   InitOverlayPage __P((int, struct LayFuncs *, int));
 461 extern void  ExitOverlayPage __P((void));
 462
 463 /* teln.c */
 464 #ifdef BUILTIN_TELNET
 465 extern int   TelOpen __P((char **));
 466 extern int   TelConnect __P((struct win *));
 467 extern int   TelIsline __P((struct win *p));
 468 extern void  TelProcessLine __P((char **, int *));
 469 extern int   DoTelnet __P((char *, int *, int));
 470 extern int   TelIn __P((struct win *, char *, int, int));
 471 extern void  TelBreak __P((struct win *));
 472 extern void  TelWindowSize __P((struct win *));
 473 extern void  TelStatus __P((struct win *, char *, int));
 474 #endif
 475
 476 /* nethack.c */
 477 extern char *DoNLS __P((char *));
 478
 479 /* encoding.c */
 480 #ifdef ENCODINGS
 481 # ifdef UTF8
 482 extern void  InitBuiltinTabs __P((void));
 483 extern struct mchar *recode_mchar __P((struct mchar *, int, int));
 484 extern struct mline *recode_mline __P((struct mline *, int, int, int));
 485 extern int   FromUtf8 __P((int, int *));
 486 extern void  AddUtf8 __P((int));
 487 extern int   ToUtf8 __P((char *, int));
 488 extern int   ToUtf8_comb __P((char *, int));
 489 extern int   utf8_isdouble __P((int));
 490 extern int   utf8_iscomb __P((int));
 491 extern void  utf8_handle_comb __P((int, struct mchar *));
 492 extern int   ContainsSpecialDeffont __P((struct mline *, int, int, int));
 493 extern int   LoadFontTranslation __P((int, char *));
 494 extern void  LoadFontTranslationsForEncoding __P((int));
 495 # endif /* UTF8 */
 496 extern void  WinSwitchEncoding __P((struct win *, int));
 497 extern int   FindEncoding __P((char *));
 498 extern char *EncodingName __P((int));
 499 extern int   EncodingDefFont __P((int));
 500 extern void  ResetEncoding __P((struct win *));
 501 extern int   CanEncodeFont __P((int, int));
 502 extern int   DecodeChar __P((int, int, int *));
 503 extern int   RecodeBuf __P((unsigned char *, int, int, int, unsigned char *));
 504 # ifdef DW_CHARS
 505 extern int   PrepareEncodedChar __P((int));
 506 # endif
 507 #endif
 508 extern int   EncodeChar __P((char *, int, int, int *));