contrib/tcsh/tc.os.h

   1 /* $Header: /src/pub/tcsh/tc.os.h,v 3.88 2002/05/16 13:51:26 christos Exp $ */
   2 /*
   3  * tc.os.h: Shell os dependent defines
   4  */
   5 /*-
   6  * Copyright (c) 1980, 1991 The Regents of the University of California.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. 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 #ifndef _h_tc_os
  34 #define _h_tc_os
  35
  36 #ifndef WINNT_NATIVE
  37 #define NEEDstrerror            /* Too hard to find which systems have it */
  38 #endif /* WINNT_NATIVE */
  39
  40
  41 #ifdef notdef
  42 /*
  43  * for SVR4 and linux we used to fork pipelines backwards.
  44  * This should not be needed any more.
  45  * more info in sh.sem.c
  46  */
  47 # define BACKPIPE
  48 #endif /* notdef */
  49
  50 #ifdef __CYGWIN__
  51 #  undef NEEDstrerror
  52 #endif
  53
  54 #ifdef   _VMS_POSIX
  55 # ifndef  NOFILE
  56 #  define  NOFILE 64
  57 # endif /* NOFILE */
  58 # define  nice(a)       setprio((getpid()),a)
  59 # undef   NEEDstrerror    /* won't get sensible error messages otherwise */
  60 # define  NEEDgethostname
  61 # include <sys/time.h>    /* for time stuff in tc.prompt.c */
  62 # include <limits.h>
  63 #endif /* atp vmsposix */
  64
  65 #if defined(DECOSF1) || defined(HPUXVERSION)
  66 # include <sys/signal.h>
  67 #endif /* DECOSF1 || HPUXVERSION */
  68
  69 #ifdef DECOSF1
  70 # include <sys/ioctl.h>
  71 #endif /* DECOSF1 */
  72
  73 #if defined(OPEN_MAX) && !defined(NOFILE)
  74 # define NOFILE OPEN_MAX
  75 #endif /* OPEN_MAX && !NOFILE */
  76
  77 #if defined(USR_NFDS) && !defined(NOFILE)
  78 # define NOFILE USR_NFDS
  79 #endif /* USR_NFDS && !NOFILE */
  80
  81 #ifndef NOFILE
  82 # define NOFILE 256
  83 #endif /* NOFILE */
  84
  85 #if defined(linux) || defined(__NetBSD__) || defined(__FreeBSD__) || SYSVREL >= 4  || defined(_MINIX_VMD)
  86 # undef NEEDstrerror
  87 #endif /* linux || __NetBSD__ || __FreeBSD__ || SYSVREL >= 4 || _MINIX_VMD */
  88
  89 #if !defined(pyr) && !defined(sinix)
  90 /* Pyramid's cpp complains about the next line */
  91 # if defined(BSD) && BSD >= 199306
  92 #  undef NEEDstrerror
  93 # endif /* BSD && BSD >= 199306 */
  94 #endif /* pyr */
  95
  96 #ifdef OREO
  97 # include <sys/time.h>
  98 # ifdef notdef
  99   /* Don't include it, because it defines things we don't really have */
 100 #  include <sys/resource.h>
 101 # endif /* notdef */
 102 # ifdef POSIX
 103 #  include <sys/tty.h>
 104 #  include <termios.h>
 105 # endif /* POSIX */
 106 #endif /* OREO */
 107
 108 #ifndef NCARGS
 109 # ifdef _SC_ARG_MAX
 110 #  define NCARGS sysconf(_SC_ARG_MAX)
 111 # else /* !_SC_ARG_MAX */
 112 #  ifdef ARG_MAX
 113 #   define NCARGS ARG_MAX
 114 #  else /* !ARG_MAX */
 115 #   ifdef _MINIX
 116 #    define NCARGS 80
 117 #   else /* !_MINIX */
 118 #    define NCARGS 1024
 119 #   endif /* _MINIX */
 120 #  endif /* ARG_MAX */
 121 # endif /* _SC_ARG_MAX */
 122 #endif /* NCARGS */
 123
 124 #ifdef convex
 125 # include <sys/dmon.h>
 126 #endif /* convex */
 127
 128 #ifdef titan
 129 extern int end;
 130 #endif /* titan */
 131
 132 #ifdef hpux
 133 # ifdef lint
 134 /*
 135  * Hpux defines struct ucred, in <sys/user.h>, but if I include that
 136  * then I need to include the *world*
 137  * [all this to pass lint cleanly!!!]
 138  * so I define struct ucred here...
 139  */
 140 struct ucred {
 141     int     foo;
 142 };
 143 # endif /* lint */
 144
 145 /*
 146  * hpux 7.0 does not define it
 147  */
 148 # ifndef CSUSP
 149 #  define CSUSP 032
 150 # endif /* CSUSP */
 151
 152 # include <signal.h>
 153 # if !defined(hp9000s500) && !(defined(SIGRTMAX) || defined(SIGRTMIN))
 154 /*
 155  * hpux < 7
 156  */
 157 #  include <sys/bsdtty.h>
 158 # endif /* !hp9000s500 && !(SIGRTMAX || SIGRTMIN) */
 159
 160 # ifndef POSIX
 161 #  ifdef BSDJOBS
 162 #   define getpgrp(a) getpgrp2(a)
 163 #   define setpgrp(a, b) setpgrp2(a, b)
 164 #  endif /* BSDJOBS */
 165 # endif /* POSIX */
 166 # ifndef TIOCSTI
 167 #  include <sys/strtio.h>
 168 # endif
 169 #endif /* hpux */
 170
 171 /*
 172  * ISC does not define CSUSP
 173  */
 174 #ifdef ISC
 175 # ifndef CSUSP
 176 #  define CSUSP 032
 177 # endif /* CSUSP */
 178 # if defined(POSIX) && !defined(TIOCGWINSZ)
 179 /*
 180  * ISC defines this only in termio.h. If we are using POSIX and include
 181  * termios.h, then we define it ourselves so that window resizing works.
 182  */
 183 #  define TIOCGWINSZ      (('T'<<8)|104)
 184 # endif /* POSIX && !TIOCGWINSZ */
 185 #endif /* ISC */
 186
 187 #ifdef ISC202
 188 # undef TIOCGWINSZ
 189 #endif /* ISC202 */
 190
 191 /*
 192  * XXX: This will be changed soon to
 193  * #if (SYSVREL > 0) && defined(TIOCGWINSZ)
 194  * If that breaks on your machine, let me know.
 195  *
 196  * It would break on linux, where all this is
 197  * defined in <termios.h>. Wrapper added.
 198  */
 199 #if !defined(linux) && !defined(_VMS_POSIX)
 200 # if defined(INTEL) || defined(u3b2) || defined (u3b5) || defined(ub15) || defined(u3b20d) || defined(ISC) || defined(SCO) || defined(tower32)
 201 #  ifdef TIOCGWINSZ
 202 /*
 203  * for struct winsiz
 204  */
 205 #   include <sys/stream.h>
 206 #   include <sys/ptem.h>
 207 #  endif /* TIOCGWINSZ */
 208 #  ifndef ODT
 209 #   define NEEDgethostname
 210 #  endif /* ODT */
 211 # endif /* INTEL || u3b2 || u3b5 || ub15 || u3b20d || ISC || SCO || tower32 */
 212 #endif /* !linux && !_VMS_POSIX */
 213
 214 #if defined(UNIXPC) || defined(COHERENT)
 215 # define NEEDgethostname
 216 #endif /* UNIXPC || COHERENT */
 217
 218 #ifdef IRIS4D
 219 # include <sys/time.h>
 220 # include <sys/resource.h>
 221 # ifndef POSIX
 222 /*
 223  * BSDsetpgrp() and BSDgetpgrp() are BSD versions of setpgrp, etc.
 224  */
 225 #  define setpgrp BSDsetpgrp
 226 #  define getpgrp BSDgetpgrp
 227 # endif /* POSIX */
 228 #endif /* IRIS4D */
 229
 230 /*
 231  * For some versions of system V software, specially ones that use the
 232  * Wollongong Software TCP/IP, the FIOCLEX, FIONCLEX, FIONBIO calls
 233  * might not work correctly for file descriptors [they work only for
 234  * sockets]. So we try to use first the fcntl() and we only use the
 235  * ioctl() form, only if we don't have the fcntl() one.
 236  *
 237  * From: scott@craycos.com (Scott Bolte)
 238  */
 239 #ifndef WINNT_NATIVE
 240 # ifdef F_SETFD
 241 #  define close_on_exec(fd, v) fcntl((fd), F_SETFD, v)
 242 # else /* !F_SETFD */
 243 #  ifdef FIOCLEX
 244 #   define close_on_exec(fd, v) ioctl((fd), ((v) ? FIOCLEX : FIONCLEX), NULL)
 245 #  else /* !FIOCLEX */
 246 #   define close_on_exec(fd, v) /* Nothing */
 247 #  endif /* FIOCLEX */
 248 # endif /* F_SETFD */
 249 #else /* WINNT_NATIVE */
 250 # define close_on_exec(fd, v) nt_close_on_exec((fd),(v))
 251 #endif /* !WINNT_NATIVE */
 252
 253 /*
 254  * Stat
 255  */
 256 #ifdef ISC
 257 /* these are not defined for _POSIX_SOURCE under ISC 2.2 */
 258 # ifndef S_IFMT
 259 #  define S_IFMT        0170000         /* type of file */
 260 #  define S_IFDIR       0040000         /* directory */
 261 #  define S_IFCHR       0020000         /* character special */
 262 #  define S_IFBLK       0060000         /* block special */
 263 #  define S_IFREG       0100000         /* regular */
 264 #  define S_IFIFO       0010000         /* fifo */
 265 #  define S_IFNAM       0050000         /* special named file */
 266 #  ifndef ISC202
 267 #   define S_IFLNK      0120000         /* symbolic link */
 268 #  endif /* ISC202 */
 269 # endif /* S_IFMT */
 270 #endif /* ISC */
 271
 272 #if defined(uts) || defined(UTekV) || defined(sysV88)
 273 /*
 274  * The uts 2.1.2 macros (Amdahl) are busted!
 275  * You should fix <sys/stat.h>, cause other programs will break too!
 276  *
 277  * From: creiman@ncsa.uiuc.edu (Charlie Reiman)
 278  */
 279
 280 /*
 281  * The same applies to Motorola MPC (System V/88 R32V2, UTekV 3.2e)
 282  * workstations, the stat macros are broken.
 283  * Kaveh Ghazi (ghazi@caip.rutgers.edu)
 284  */
 285 # undef S_ISDIR
 286 # undef S_ISCHR
 287 # undef S_ISBLK
 288 # undef S_ISREG
 289 # undef S_ISFIFO
 290 # undef S_ISNAM
 291 # undef S_ISLNK
 292 # undef S_ISSOCK
 293 #endif /* uts || UTekV || sysV88 */
 294
 295 #ifdef S_IFMT
 296 # if !defined(S_ISDIR) && defined(S_IFDIR)
 297 #  define S_ISDIR(a)    (((a) & S_IFMT) == S_IFDIR)
 298 # endif /* ! S_ISDIR && S_IFDIR */
 299 # if !defined(S_ISCHR) && defined(S_IFCHR)
 300 #  define S_ISCHR(a)    (((a) & S_IFMT) == S_IFCHR)
 301 # endif /* ! S_ISCHR && S_IFCHR */
 302 # if !defined(S_ISBLK) && defined(S_IFBLK)
 303 #  define S_ISBLK(a)    (((a) & S_IFMT) == S_IFBLK)
 304 # endif /* ! S_ISBLK && S_IFBLK */
 305 # if !defined(S_ISREG) && defined(S_IFREG)
 306 #  define S_ISREG(a)    (((a) & S_IFMT) == S_IFREG)
 307 # endif /* ! S_ISREG && S_IFREG */
 308 # if !defined(S_ISFIFO) && defined(S_IFIFO)
 309 #  define S_ISFIFO(a)   (((a) & S_IFMT) == S_IFIFO)
 310 # endif /* ! S_ISFIFO && S_IFIFO */
 311 # if !defined(S_ISNAM) && defined(S_IFNAM)
 312 #  define S_ISNAM(a)    (((a) & S_IFMT) == S_IFNAM)
 313 # endif /* ! S_ISNAM && S_IFNAM */
 314 # if !defined(S_ISLNK) && defined(S_IFLNK)
 315 #  define S_ISLNK(a)    (((a) & S_IFMT) == S_IFLNK)
 316 # endif /* ! S_ISLNK && S_IFLNK */
 317 # if !defined(S_ISSOCK) && defined(S_IFSOCK)
 318 #  define S_ISSOCK(a)   (((a) & S_IFMT) == S_IFSOCK)
 319 # endif /* ! S_ISSOCK && S_IFSOCK */
 320 #endif /* S_IFMT */
 321
 322 #ifdef tower32
 323 /* The header files lie; we really don't have symlinks */
 324 # undef S_ISLNK
 325 # undef S_IFLNK
 326 #endif /* tower32 */
 327
 328 #ifndef S_IREAD
 329 # define S_IREAD 0000400
 330 #endif /* S_IREAD */
 331 #ifndef S_IROTH
 332 # define S_IROTH (S_IREAD >> 6)
 333 #endif /* S_IROTH */
 334 #ifndef S_IRGRP
 335 # define S_IRGRP (S_IREAD >> 3)
 336 #endif /* S_IRGRP */
 337 #ifndef S_IRUSR
 338 # define S_IRUSR S_IREAD
 339 #endif /* S_IRUSR */
 340
 341 #ifndef S_IWRITE
 342 # define S_IWRITE 0000200
 343 #endif /* S_IWRITE */
 344 #ifndef S_IWOTH
 345 # define S_IWOTH (S_IWRITE >> 6)
 346 #endif /* S_IWOTH */
 347 #ifndef S_IWGRP
 348 # define S_IWGRP (S_IWRITE >> 3)
 349 #endif /* S_IWGRP */
 350 #ifndef S_IWUSR
 351 # define S_IWUSR S_IWRITE
 352 #endif /* S_IWUSR */
 353
 354 #ifndef S_IEXEC
 355 # define S_IEXEC 0000100
 356 #endif /* S_IEXEC */
 357 #ifndef S_IXOTH
 358 # define S_IXOTH (S_IEXEC >> 6)
 359 #endif /* S_IXOTH */
 360 #ifndef S_IXGRP
 361 # define S_IXGRP (S_IEXEC >> 3)
 362 #endif /* S_IXGRP */
 363 #ifndef S_IXUSR
 364 # define S_IXUSR S_IEXEC
 365 #endif /* S_IXUSR */
 366
 367 #ifndef S_ISUID
 368 # define S_ISUID 0004000        /* setuid */
 369 #endif /* S_ISUID */
 370 #ifndef S_ISGID
 371 # define S_ISGID 0002000        /* setgid */
 372 #endif /* S_ISGID */
 373 #ifndef S_ISVTX
 374 # define S_ISVTX 0001000        /* sticky */
 375 #endif /* S_ISVTX */
 376 #ifndef S_ENFMT
 377 # define S_ENFMT S_ISGID        /* record locking enforcement flag */
 378 #endif /* S_ENFMT */
 379
 380 /* the following macros are for POSIX conformance */
 381 #ifndef S_IRWXU
 382 # define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
 383 #endif /* S_IRWXU */
 384 #ifndef S_IRWXG
 385 # define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
 386 #endif /* S_IRWXG */
 387 #ifndef S_IRWXO
 388 # define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
 389 #endif /* S_IRWXO */
 390
 391 /*
 392  * Access()
 393  */
 394 #ifndef F_OK
 395 # define F_OK 0
 396 #endif /* F_OK */
 397 #ifndef X_OK
 398 # define X_OK 1
 399 #endif /* X_OK */
 400 #ifndef W_OK
 401 # define W_OK 2
 402 #endif /* W_OK */
 403 #ifndef R_OK
 404 # define R_OK 4
 405 #endif /* R_OK */
 406
 407 /*
 408  * Open()
 409  */
 410 #ifndef O_RDONLY
 411 # define O_RDONLY       0
 412 #endif /* O_RDONLY */
 413 #ifndef O_WRONLY
 414 # define O_WRONLY       1
 415 #endif /* O_WRONLY */
 416 #ifndef O_RDWR
 417 # define O_RDWR         2
 418 #endif /* O_RDWR */
 419
 420 /*
 421  * Lseek()
 422  */
 423 #ifndef L_SET
 424 # ifdef SEEK_SET
 425 #  define L_SET         SEEK_SET
 426 # else /* !SEEK_SET */
 427 #  define L_SET         0
 428 # endif /* SEEK_SET */
 429 #endif /* L_SET */
 430 #ifndef L_INCR
 431 # ifdef SEEK_CUR
 432 #  define L_INCR        SEEK_CUR
 433 # else /* !SEEK_CUR */
 434 #  define L_INCR        1
 435 # endif /* SEEK_CUR */
 436 #endif /* L_INCR */
 437 #ifndef L_XTND
 438 # ifdef SEEK_END
 439 #  define L_XTND        SEEK_END
 440 # else /* !SEEK_END */
 441 #  define L_XTND        2
 442 # endif /* SEEK_END */
 443 #endif /* L_XTND */
 444
 445 #ifdef _SEQUENT_
 446 # define NEEDgethostname
 447 #endif /* _SEQUENT_ */
 448
 449 #if defined(BSD) && defined(POSIXJOBS) && !defined(BSD4_4) && !defined(__hp_osf)
 450 # define setpgid(pid, pgrp)     setpgrp(pid, pgrp)
 451 #endif /* BSD && POSIXJOBS && && !BSD4_4 && !__hp_osf */
 452
 453 #if defined(BSDJOBS) && !(defined(POSIX) && defined(POSIXJOBS))
 454 # if !defined(_AIX370) && !defined(_AIXPS2)
 455 #  define setpgid(pid, pgrp)    setpgrp(pid, pgrp)
 456 # endif /* !_AIX370 && !_AIXPS2 */
 457 # define NEEDtcgetpgrp
 458 #endif /* BSDJOBS && !(POSIX && POSIXJOBS) */
 459
 460 #ifdef RENO
 461 /*
 462  * RENO has this broken. It is fixed on 4.4BSD
 463  */
 464 # define NEEDtcgetpgrp
 465 #endif /* RENO */
 466
 467 #ifdef DGUX
 468 # define setpgrp(a, b) setpgrp2(a, b)
 469 # define getpgrp(a) getpgrp2(a)
 470 #endif /* DGUX */
 471
 472 #ifdef SXA
 473 # ifndef _BSDX_
 474 /*
 475  * Only needed in the system V environment.
 476  */
 477 #  define setrlimit     bsd_setrlimit
 478 #  define getrlimit     bsd_getrlimit
 479 # endif /* _BSDX_ */
 480 #endif /* SXA */
 481
 482 #if defined(_MINIX) || defined(__EMX__)
 483 # define NEEDgethostname
 484 # define NEEDnice
 485 # define HAVENOLIMIT
 486 /*
 487  * Minix does not have these, so...
 488  */
 489 # define getpgrp                getpid
 490 #endif /* _MINIX || __EMX__ */
 491
 492 #ifdef __EMX__
 493 /* XXX: How can we get the tty name in emx? */
 494 # define ttyname(fd) (isatty(fd) ? "/dev/tty" : NULL)
 495 #endif /* __EMX__ */
 496
 497 #ifndef POSIX
 498 # define mygetpgrp()    getpgrp(0)
 499 #else /* POSIX */
 500 # if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4) || defined(IRIS4D) || defined(DGUX) || defined(HPRT)
 501 #  define mygetpgrp()    getpgrp(0)
 502 # else /* !((BSD && !BSD4_4) || SUNOS4 || IRIS4D || DGUX || HPRT) */
 503 #  define mygetpgrp()    getpgrp()
 504 # endif /* (BSD && BSD4_4) || SUNOS4 || IRISD || DGUX  || HPRT */
 505 #endif /* POSIX */
 506
 507
 508 #if !defined(SOLARIS2) && !defined(sinix) && !defined(BSD4_4) && !defined(WINNT_NATIVE)
 509 # if (SYSVREL > 0 && !defined(OREO) && !defined(sgi) && !defined(linux) && !defined(sinix) && !defined(_AIX) &&!defined(_UWIN)) || defined(NeXT)
 510 #  define NEEDgetcwd
 511 # endif /* (SYSVREL > 0 && !OREO && !sgi && !linux && !sinix && !_AIX && !_UWIN) || NeXT */
 512 #endif
 513
 514 #ifndef S_IFLNK
 515 # define lstat stat
 516 #endif /* S_IFLNK */
 517
 518
 519 #if defined(BSDTIMES) && !defined(_SEQUENT_)
 520 typedef struct timeval timeval_t;
 521 #endif /* BSDTIMES && ! _SEQUENT_ */
 522
 523 #ifdef NeXT
 524 /*
 525  * From Tony_Mason@transarc.com, override NeXT's malloc stuff.
 526  */
 527 # define malloc tcsh_malloc
 528 # define calloc tcsh_calloc
 529 # define realloc tcsh_realloc
 530 # define free tcsh_free
 531 #endif /* NeXT */
 532
 533 #if !defined(BSD4_4) && !defined(__linux__) && !defined(__hpux) && \
 534     !defined(sgi) && !defined(_AIX) && !defined(__CYGWIN__)
 535 #ifndef NEEDgethostname
 536 extern int gethostname __P((char *, int));
 537 #endif /* NEEDgethostname */
 538 #endif /* !BDS4_4 && !__linux__ && !__hpux && !sgi */
 539
 540 #if !defined(POSIX) || defined(SUNOS4) || defined(UTekV) || defined(sysV88)
 541 extern time_t time();
 542 extern char *getenv();
 543 extern int atoi();
 544 # ifndef __EMX__
 545 extern char *ttyname();
 546 # endif /* __EMX__ */
 547
 548 # if defined(SUNOS4)
 549 #  ifndef toupper
 550 extern int toupper __P((int));
 551 #  endif /* toupper */
 552 #  ifndef tolower
 553 extern int tolower __P((int));
 554 #  endif /* tolower */
 555 extern caddr_t sbrk __P((int));
 556 #  if SYSVREL == 0 && !defined(__lucid)
 557 extern int qsort();
 558 #  endif /* SYSVREL == 0 && !__lucid */
 559 # else /* !SUNOS4 */
 560 #  ifndef WINNT_NATIVE
 561 #   ifndef hpux
 562 #    if __GNUC__ != 2
 563 extern int abort();
 564 #    endif /* __GNUC__ != 2 */
 565 #    ifndef fps500
 566 extern int qsort();
 567 #    endif /* !fps500 */
 568 #   else /* !hpux */
 569 extern void abort();
 570 extern void qsort();
 571 #   endif /* hpux */
 572 #  endif /* !WINNT_NATIVE */
 573 # endif /* SUNOS4 */
 574 #ifndef _CX_UX
 575 extern void perror();
 576 #endif
 577
 578 # ifdef BSDSIGS
 579 #  if defined(_AIX370) || defined(MACH) || defined(NeXT) || defined(_AIXPS2) || defined(ardent) || defined(SUNOS4) || defined(HPBSD) || defined(__MACHTEN__)
 580 extern int sigvec();
 581 extern int sigpause();
 582 #  else /* !(_AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD) */
 583 #   if (!defined(apollo) || !defined(__STDC__)) && !defined(__DGUX__) && !defined(fps500)
 584 extern sigret_t sigvec();
 585 #ifndef _CX_UX
 586 extern void sigpause();
 587 #endif /* _CX_UX */
 588 #   endif /* (!apollo || !__STDC__) && !__DGUX__ && !fps500 */
 589 #  endif /* _AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD */
 590 extern sigmask_t sigblock();
 591 extern sigmask_t sigsetmask();
 592 # endif /* BSDSIGS */
 593
 594 # ifndef killpg
 595 extern int killpg();
 596 # endif /* killpg */
 597
 598 # ifndef lstat
 599 extern int lstat();
 600 # endif /* lstat */
 601
 602 # ifdef BSD
 603 extern uid_t getuid(), geteuid();
 604 extern gid_t getgid(), getegid();
 605 # endif /* BSD */
 606
 607 # ifdef SYSMALLOC
 608 extern memalign_t malloc();
 609 extern memalign_t realloc();
 610 extern memalign_t calloc();
 611 extern void free();
 612 # endif /* SYSMALLOC */
 613
 614 # ifdef BSDTIMES
 615 extern int getrlimit();
 616 extern int setrlimit();
 617 extern int getrusage();
 618 extern int gettimeofday();
 619 # endif /* BSDTIMES */
 620
 621 # if defined(NLS) && !defined(NOSTRCOLL) && !defined(NeXT)
 622 extern int strcoll();
 623 # endif /* NLS && !NOSTRCOLL && !NeXT */
 624
 625 # ifdef BSDJOBS
 626 #  ifdef BSDTIMES
 627 #   ifdef __MACHTEN__
 628 extern pid_t wait3();
 629 #   else
 630 #   ifndef HPBSD
 631 extern int wait3();
 632 #   endif /* HPBSD */
 633 #   endif /* __MACHTEN__ */
 634 #  else /* !BSDTIMES */
 635 #   if !defined(POSIXJOBS) && !defined(_SEQUENT_)
 636 extern int wait3();
 637 #   else /* POSIXJOBS || _SEQUENT_ */
 638 extern int waitpid();
 639 #   endif /* POSIXJOBS || _SEQUENT_ */
 640 #  endif /* BSDTIMES */
 641 # else /* !BSDJOBS */
 642 #  if SYSVREL < 3
 643 extern int ourwait();
 644 #  else /* SYSVREL >= 3 */
 645 extern int wait();
 646 #  endif /* SYSVREL < 3 */
 647 # endif /* BSDJOBS */
 648
 649 # ifdef BSDNICE
 650 extern int setpriority();
 651 # else /* !BSDNICE */
 652 extern int nice();
 653 # endif /* BSDNICE */
 654
 655 # if (!defined(fps500) && !defined(apollo) && !defined(__lucid) && !defined(HPBSD) && !defined(DECOSF1))
 656 extern void setpwent();
 657 extern void endpwent();
 658 # endif /* !fps500 && !apollo && !__lucid && !HPBSD && !DECOSF1 */
 659
 660 # ifndef __STDC__
 661 extern struct passwd *getpwuid(), *getpwnam(), *getpwent();
 662 #  ifdef PW_SHADOW
 663 extern struct spwd *getspnam(), *getspent();
 664 #  endif /* PW_SHADOW */
 665 #  ifdef PW_AUTH
 666 extern struct authorization *getauthuid();
 667 #  endif /* PW_AUTH */
 668 # endif /* __STDC__ */
 669
 670 # ifndef getcwd
 671 extern char *getcwd();
 672 # endif /* getcwd */
 673
 674 #else /* POSIX || !SUNOS4 || !UTekV || !sysV88 */
 675
 676 # if (defined(SUNOS4) && !defined(__GNUC__)) || defined(_IBMR2) || defined(_IBMESA)
 677 extern char *getvwd();
 678 # endif /* (SUNOS4 && ! __GNUC__) || _IBMR2 || _IBMESA */
 679
 680 # ifdef SCO
 681 extern char *ttyname();
 682 # endif /* SCO */
 683
 684 # ifdef __clipper__
 685 extern char *ttyname();
 686 # endif /* __clipper__ */
 687
 688 #endif /* !POSIX || SUNOS4 || UTekV || sysV88 */
 689
 690 #if defined(SUNOS4) && __GNUC__ == 2
 691 /*
 692  * Somehow these are missing
 693  */
 694 extern int ioctl __P((int, int, ...));
 695 extern int readlink __P((const char *, char *, size_t));
 696 extern void setgrent __P((void));
 697 extern void endgrent __P((void));
 698 # ifdef REMOTEHOST
 699 #  ifndef _SOCKLEN_T    /* Avoid Solaris 2.7 bogosity. */
 700 struct sockaddr;
 701 extern int getpeername __P((int, struct sockaddr *, int *));
 702 #  endif /* _SOCKLEN_T */
 703 # endif /* REMOTEHOST */
 704 #endif /* SUNOS4 && __GNUC__ == 2 */
 705
 706 #if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4)
 707 # if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
 708 extern void bcopy       __P((const void *, void *, size_t));
 709 #  define memmove(a, b, c) (bcopy((char *) (b), (char *) (a), (int) (c)), a)
 710 # endif /* __alpha && __osf__ && DECOSF1 < 200 */
 711 #endif /* (BSD && !BSD4_4) || SUNOS4 */
 712
 713 #if !defined(hpux) && !defined(COHERENT) && ((SYSVREL < 4) || defined(_SEQUENT_)) && !defined(BSD4_4) && !defined(memmove)
 714 # define NEEDmemmove
 715 #endif /* !hpux && !COHERENT && (SYSVREL < 4 || _SEQUENT_) && !BSD4_4 && !memmove */
 716
 717 #if defined(UTek) || defined(pyr)
 718 # define NEEDmemset
 719 #else /* !UTek && !pyr */
 720 # ifdef SUNOS4
 721 #  include <memory.h>   /* memset should be declared in <string.h> but isn't */
 722 # endif /* SUNOS4 */
 723 #endif /* UTek || pyr */
 724
 725 #if SYSVREL == 4
 726 # ifdef REMOTEHOST
 727 /* Irix6 defines getpeername(int, void *, int *) which conflicts with
 728    the definition below. */
 729 #  if !defined(__sgi) && !defined(_OSD_POSIX) && !defined(__MVS__)
 730 #   ifndef _SOCKLEN_T   /* Avoid Solaris 2.7 bogosity. */
 731 struct sockaddr;
 732 extern int getpeername __P((int, struct sockaddr *, int *));
 733 #   endif /* _SOCKLEN_T */
 734 #  endif /* !__sgi && !_OSD_POSIX && !__MVS__ */
 735 # endif /* REMOTEHOST */
 736 # ifndef BSDTIMES
 737 extern int getrlimit __P((int, struct rlimit *));
 738 extern int setrlimit __P((int, const struct rlimit *));
 739 # endif /* !BSDTIMES */
 740 # if !defined(IRIS4D) && !defined(SOLARIS2)
 741 extern int wait3();     /* I think some bizarre systems still need this */
 742 # endif /* !IRIS4D && !SOLARIS2 */
 743 # if defined(SOLARIS2)
 744 #  undef NEEDstrerror
 745 extern char *strerror __P((int));
 746 # endif /* SOLARIS2 */
 747 #endif /* SYSVREL == 4 */
 748
 749 #if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
 750 /* These are ok for 1.3, but conflict with the header files for 2.0 */
 751 extern int gethostname __P((char *, int));
 752 extern char *sbrk __P((ssize_t));
 753 extern int ioctl __P((int, unsigned long, char *));
 754 extern pid_t vfork __P((void));
 755 extern int killpg __P((pid_t, int));
 756 #endif /* __osf__ && __alpha && DECOSF1 < 200 */
 757
 758 #endif /* _h_tc_os */