contrib/tcsh-6/tc.os.h

   1 /* $Header: /p/tcsh/cvsroot/tcsh/tc.os.h,v 3.101 2006/02/14 00:52:52 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 #ifdef notdef
  37 /*
  38  * for SVR4 and linux we used to fork pipelines backwards.
  39  * This should not be needed any more.
  40  * more info in sh.sem.c
  41  */
  42 # define BACKPIPE
  43 #endif /* notdef */
  44
  45 #ifdef __CYGWIN__
  46 #  undef NOFILE
  47 #  define NOFILE sysconf(_SC_OPEN_MAX)
  48 #endif
  49
  50 #ifdef   _VMS_POSIX
  51 # ifndef  NOFILE
  52 #  define  NOFILE 64
  53 # endif /* NOFILE */
  54 # define  nice(a)       setprio((getpid()),a)
  55 # include <sys/time.h>    /* for time stuff in tc.prompt.c */
  56 # include <limits.h>
  57 #endif /* atp vmsposix */
  58
  59 #if defined(DECOSF1) || defined(HPUXVERSION)
  60 # include <sys/signal.h>
  61 #endif /* DECOSF1 || HPUXVERSION */
  62
  63 #ifdef DECOSF1
  64 # include <sys/ioctl.h>
  65 #endif /* DECOSF1 */
  66
  67 #if defined(OPEN_MAX) && !defined(NOFILE)
  68 # define NOFILE OPEN_MAX
  69 #endif /* OPEN_MAX && !NOFILE */
  70
  71 #if defined(USR_NFDS) && !defined(NOFILE)
  72 # define NOFILE USR_NFDS
  73 #endif /* USR_NFDS && !NOFILE */
  74
  75 #ifndef NOFILE
  76 # define NOFILE 256
  77 #endif /* NOFILE */
  78
  79 #ifdef OREO
  80 # include <sys/time.h>
  81 # ifdef notdef
  82   /* Don't include it, because it defines things we don't really have */
  83 #  include <sys/resource.h>
  84 # endif /* notdef */
  85 # ifdef POSIX
  86 #  include <sys/tty.h>
  87 #  include <termios.h>
  88 # endif /* POSIX */
  89 #endif /* OREO */
  90
  91 #ifdef convex
  92 # include <sys/dmon.h>
  93 #endif /* convex */
  94
  95 #ifdef titan
  96 extern int end;
  97 #endif /* titan */
  98
  99 #ifdef hpux
 100 # ifdef lint
 101 /*
 102  * Hpux defines struct ucred, in <sys/user.h>, but if I include that
 103  * then I need to include the *world*
 104  * [all this to pass lint cleanly!!!]
 105  * so I define struct ucred here...
 106  */
 107 struct ucred {
 108     int     foo;
 109 };
 110 # endif /* lint */
 111
 112 /*
 113  * hpux 7.0 does not define it
 114  */
 115 # ifndef CSUSP
 116 #  define CSUSP 032
 117 # endif /* CSUSP */
 118
 119 # include <signal.h>
 120 # if !defined(hp9000s500) && !(defined(SIGRTMAX) || defined(SIGRTMIN))
 121 /*
 122  * hpux < 7
 123  */
 124 #  include <sys/bsdtty.h>
 125 # endif /* !hp9000s500 && !(SIGRTMAX || SIGRTMIN) */
 126
 127 # ifndef TIOCSTI
 128 #  include <sys/strtio.h>
 129 # endif
 130 #endif /* hpux */
 131
 132 /*
 133  * ISC does not define CSUSP
 134  */
 135 #ifdef ISC
 136 # ifndef CSUSP
 137 #  define CSUSP 032
 138 # endif /* CSUSP */
 139 # if defined(POSIX) && !defined(TIOCGWINSZ)
 140 /*
 141  * ISC defines this only in termio.h. If we are using POSIX and include
 142  * termios.h, then we define it ourselves so that window resizing works.
 143  */
 144 #  define TIOCGWINSZ      (('T'<<8)|104)
 145 # endif /* POSIX && !TIOCGWINSZ */
 146 #endif /* ISC */
 147
 148 #ifdef ISC202
 149 # undef TIOCGWINSZ
 150 #endif /* ISC202 */
 151
 152 /*
 153  * XXX: This will be changed soon to
 154  * #if (SYSVREL > 0) && defined(TIOCGWINSZ)
 155  * If that breaks on your machine, let me know.
 156  *
 157  * It would break on glibc, where all this is
 158  * defined in <termios.h>. Wrapper added.
 159  */
 160 #if !defined(linux) && !defined(__GNU__) && !defined(__GLIBC__) && !defined(_VMS_POSIX)
 161 # if defined(INTEL) || defined(u3b2) || defined (u3b5) || defined(ub15) || defined(u3b20d) || defined(ISC) || defined(SCO) || defined(tower32)
 162 #  ifdef TIOCGWINSZ
 163 /*
 164  * for struct winsiz
 165  */
 166 #   include <sys/stream.h>
 167 #   include <sys/ptem.h>
 168 #  endif /* TIOCGWINSZ */
 169 # endif /* INTEL || u3b2 || u3b5 || ub15 || u3b20d || ISC || SCO || tower32 */
 170 #endif /* !glibc && !_VMS_POSIX */
 171
 172 #ifdef IRIS4D
 173 # include <sys/time.h>
 174 # include <sys/resource.h>
 175 #endif /* IRIS4D */
 176
 177 /*
 178  * For some versions of system V software, specially ones that use the
 179  * Wollongong Software TCP/IP, the FIOCLEX, FIONCLEX, FIONBIO calls
 180  * might not work correctly for file descriptors [they work only for
 181  * sockets]. So we try to use first the fcntl() and we only use the
 182  * ioctl() form, only if we don't have the fcntl() one.
 183  *
 184  * From: scott@craycos.com (Scott Bolte)
 185  */
 186 #ifndef WINNT_NATIVE
 187 # ifdef F_SETFD
 188 #  ifndef FD_CLOEXEC
 189 #   define FD_CLOEXEC 1
 190 #  endif
 191 #  define close_on_exec(fd, v) fcntl((fd), F_SETFD, ((v) ? FD_CLOEXEC : 0))
 192 # else /* !F_SETFD */
 193 #  ifdef FIOCLEX
 194 #   define close_on_exec(fd, v) ioctl((fd), ((v) ? FIOCLEX : FIONCLEX), NULL)
 195 #  else /* !FIOCLEX */
 196 #   define close_on_exec(fd, v) /* Nothing */
 197 #  endif /* FIOCLEX */
 198 # endif /* F_SETFD */
 199 #else /* WINNT_NATIVE */
 200 # define close_on_exec(fd, v) nt_close_on_exec((fd),(v))
 201 #endif /* !WINNT_NATIVE */
 202
 203 /*
 204  * Stat
 205  */
 206 #ifdef ISC
 207 /* these are not defined for _POSIX_SOURCE under ISC 2.2 */
 208 # ifndef S_IFMT
 209 #  define S_IFMT        0170000         /* type of file */
 210 #  define S_IFDIR       0040000         /* directory */
 211 #  define S_IFCHR       0020000         /* character special */
 212 #  define S_IFBLK       0060000         /* block special */
 213 #  define S_IFREG       0100000         /* regular */
 214 #  define S_IFIFO       0010000         /* fifo */
 215 #  define S_IFNAM       0050000         /* special named file */
 216 #  ifndef ISC202
 217 #   define S_IFLNK      0120000         /* symbolic link */
 218 #  endif /* ISC202 */
 219 # endif /* S_IFMT */
 220 #endif /* ISC */
 221
 222 #ifdef STAT_MACROS_BROKEN
 223 # undef S_ISDIR
 224 # undef S_ISCHR
 225 # undef S_ISBLK
 226 # undef S_ISREG
 227 # undef S_ISFIFO
 228 # undef S_ISNAM
 229 # undef S_ISLNK
 230 # undef S_ISSOCK
 231 #endif /* STAT_MACROS_BROKEN */
 232
 233 #ifdef S_IFMT
 234 # if !defined(S_ISDIR) && defined(S_IFDIR)
 235 #  define S_ISDIR(a)    (((a) & S_IFMT) == S_IFDIR)
 236 # endif /* ! S_ISDIR && S_IFDIR */
 237 # if !defined(S_ISCHR) && defined(S_IFCHR)
 238 #  define S_ISCHR(a)    (((a) & S_IFMT) == S_IFCHR)
 239 # endif /* ! S_ISCHR && S_IFCHR */
 240 # if !defined(S_ISBLK) && defined(S_IFBLK)
 241 #  define S_ISBLK(a)    (((a) & S_IFMT) == S_IFBLK)
 242 # endif /* ! S_ISBLK && S_IFBLK */
 243 # if !defined(S_ISREG) && defined(S_IFREG)
 244 #  define S_ISREG(a)    (((a) & S_IFMT) == S_IFREG)
 245 # endif /* ! S_ISREG && S_IFREG */
 246 # if !defined(S_ISFIFO) && defined(S_IFIFO)
 247 #  define S_ISFIFO(a)   (((a) & S_IFMT) == S_IFIFO)
 248 # endif /* ! S_ISFIFO && S_IFIFO */
 249 # if !defined(S_ISNAM) && defined(S_IFNAM)
 250 #  define S_ISNAM(a)    (((a) & S_IFMT) == S_IFNAM)
 251 # endif /* ! S_ISNAM && S_IFNAM */
 252 # if !defined(S_ISLNK) && defined(S_IFLNK)
 253 #  define S_ISLNK(a)    (((a) & S_IFMT) == S_IFLNK)
 254 # endif /* ! S_ISLNK && S_IFLNK */
 255 # if !defined(S_ISSOCK) && defined(S_IFSOCK)
 256 #  define S_ISSOCK(a)   (((a) & S_IFMT) == S_IFSOCK)
 257 # endif /* ! S_ISSOCK && S_IFSOCK */
 258 #endif /* S_IFMT */
 259
 260 #ifdef tower32
 261 /* The header files lie; we really don't have symlinks */
 262 # undef S_ISLNK
 263 # undef S_IFLNK
 264 #endif /* tower32 */
 265
 266 #ifndef S_IREAD
 267 # define S_IREAD 0000400
 268 #endif /* S_IREAD */
 269 #ifndef S_IROTH
 270 # define S_IROTH (S_IREAD >> 6)
 271 #endif /* S_IROTH */
 272 #ifndef S_IRGRP
 273 # define S_IRGRP (S_IREAD >> 3)
 274 #endif /* S_IRGRP */
 275 #ifndef S_IRUSR
 276 # define S_IRUSR S_IREAD
 277 #endif /* S_IRUSR */
 278
 279 #ifndef S_IWRITE
 280 # define S_IWRITE 0000200
 281 #endif /* S_IWRITE */
 282 #ifndef S_IWOTH
 283 # define S_IWOTH (S_IWRITE >> 6)
 284 #endif /* S_IWOTH */
 285 #ifndef S_IWGRP
 286 # define S_IWGRP (S_IWRITE >> 3)
 287 #endif /* S_IWGRP */
 288 #ifndef S_IWUSR
 289 # define S_IWUSR S_IWRITE
 290 #endif /* S_IWUSR */
 291
 292 #ifndef S_IEXEC
 293 # define S_IEXEC 0000100
 294 #endif /* S_IEXEC */
 295 #ifndef S_IXOTH
 296 # define S_IXOTH (S_IEXEC >> 6)
 297 #endif /* S_IXOTH */
 298 #ifndef S_IXGRP
 299 # define S_IXGRP (S_IEXEC >> 3)
 300 #endif /* S_IXGRP */
 301 #ifndef S_IXUSR
 302 # define S_IXUSR S_IEXEC
 303 #endif /* S_IXUSR */
 304
 305 #ifndef S_ISUID
 306 # define S_ISUID 0004000        /* setuid */
 307 #endif /* S_ISUID */
 308 #ifndef S_ISGID
 309 # define S_ISGID 0002000        /* setgid */
 310 #endif /* S_ISGID */
 311 #ifndef S_ISVTX
 312 # define S_ISVTX 0001000        /* sticky */
 313 #endif /* S_ISVTX */
 314 #ifndef S_ENFMT
 315 # define S_ENFMT S_ISGID        /* record locking enforcement flag */
 316 #endif /* S_ENFMT */
 317
 318 /* the following macros are for POSIX conformance */
 319 #ifndef S_IRWXU
 320 # define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
 321 #endif /* S_IRWXU */
 322 #ifndef S_IRWXG
 323 # define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
 324 #endif /* S_IRWXG */
 325 #ifndef S_IRWXO
 326 # define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
 327 #endif /* S_IRWXO */
 328
 329 /*
 330  * Access()
 331  */
 332 #ifndef F_OK
 333 # define F_OK 0
 334 #endif /* F_OK */
 335 #ifndef X_OK
 336 # define X_OK 1
 337 #endif /* X_OK */
 338 #ifndef W_OK
 339 # define W_OK 2
 340 #endif /* W_OK */
 341 #ifndef R_OK
 342 # define R_OK 4
 343 #endif /* R_OK */
 344
 345 /*
 346  * Open()
 347  */
 348 #ifndef O_RDONLY
 349 # define O_RDONLY       0
 350 #endif /* O_RDONLY */
 351 #ifndef O_WRONLY
 352 # define O_WRONLY       1
 353 #endif /* O_WRONLY */
 354 #ifndef O_RDWR
 355 # define O_RDWR         2
 356 #endif /* O_RDWR */
 357
 358 /*
 359  * Lseek()
 360  */
 361 #ifndef L_SET
 362 # ifdef SEEK_SET
 363 #  define L_SET         SEEK_SET
 364 # else /* !SEEK_SET */
 365 #  define L_SET         0
 366 # endif /* SEEK_SET */
 367 #endif /* L_SET */
 368 #ifndef L_INCR
 369 # ifdef SEEK_CUR
 370 #  define L_INCR        SEEK_CUR
 371 # else /* !SEEK_CUR */
 372 #  define L_INCR        1
 373 # endif /* SEEK_CUR */
 374 #endif /* L_INCR */
 375 #ifndef L_XTND
 376 # ifdef SEEK_END
 377 #  define L_XTND        SEEK_END
 378 # else /* !SEEK_END */
 379 #  define L_XTND        2
 380 # endif /* SEEK_END */
 381 #endif /* L_XTND */
 382
 383 #if !defined (HAVE_SETPGID) && !defined (SETPGRP_VOID)
 384 # define setpgid(pid, pgrp)     setpgrp(pid, pgrp)
 385 #endif
 386
 387 #if defined(BSDJOBS) && !(defined(POSIX) && defined(POSIXJOBS))
 388 # define NEEDtcgetpgrp
 389 #endif /* BSDJOBS && !(POSIX && POSIXJOBS) */
 390
 391 #ifdef RENO
 392 /*
 393  * RENO has this broken. It is fixed on 4.4BSD
 394  */
 395 # define NEEDtcgetpgrp
 396 #endif /* RENO */
 397
 398 #ifdef SXA
 399 # ifndef _BSDX_
 400 /*
 401  * Only needed in the system V environment.
 402  */
 403 #  define setrlimit     bsd_setrlimit
 404 #  define getrlimit     bsd_getrlimit
 405 # endif /* _BSDX_ */
 406 #endif /* SXA */
 407
 408 #if defined(_MINIX) || defined(__EMX__)
 409 # define HAVENOLIMIT
 410 /*
 411  * Minix does not have these, so...
 412  */
 413 # define getpgrp                getpid
 414 #endif /* _MINIX || __EMX__ */
 415
 416 #ifdef __EMX__
 417 /* XXX: How can we get the tty name in emx? */
 418 # define ttyname(fd) (isatty(fd) ? "/dev/tty" : NULL)
 419 #endif /* __EMX__ */
 420
 421 #ifndef S_IFLNK
 422 # define lstat stat
 423 #endif /* S_IFLNK */
 424
 425
 426 #if defined(BSDTIMES) && !defined(_SEQUENT_)
 427 typedef struct timeval timeval_t;
 428 #endif /* BSDTIMES && ! _SEQUENT_ */
 429
 430 #ifdef NeXT
 431 /*
 432  * From Tony_Mason@transarc.com, override NeXT's malloc stuff.
 433  */
 434 # define malloc tcsh_malloc
 435 # define calloc tcsh_calloc
 436 # define realloc tcsh_realloc
 437 # define free tcsh_free
 438 #endif /* NeXT */
 439
 440 #if defined(HAVE_GETHOSTNAME) && !HAVE_DECL_GETHOSTNAME
 441 extern int gethostname (char *, int);
 442 #endif
 443
 444 #ifndef GETPGRP_VOID
 445 # define mygetpgrp()    getpgrp(0)
 446 #else
 447 # define mygetpgrp()    getpgrp()
 448 #endif
 449
 450 #if !defined(POSIX) || defined(SUNOS4) || defined(UTekV) || defined(sysV88)
 451 extern time_t time();
 452 extern char *getenv();
 453 extern int atoi();
 454 # ifndef __EMX__
 455 extern char *ttyname();
 456 # endif /* __EMX__ */
 457
 458
 459 # if defined(SUNOS4)
 460 #  ifndef toupper
 461 extern int toupper (int);
 462 #  endif /* toupper */
 463 #  ifndef tolower
 464 extern int tolower (int);
 465 #  endif /* tolower */
 466 extern caddr_t sbrk (int);
 467 # else /* !SUNOS4 */
 468 #  ifndef WINNT_NATIVE
 469 #   ifdef hpux
 470 extern void abort();
 471 extern void qsort();
 472 #   endif /* hpux */
 473 #  endif /* !WINNT_NATIVE */
 474 # endif /* SUNOS4 */
 475 #ifndef _CX_UX
 476 extern void perror();
 477 #endif
 478
 479 # ifdef BSD
 480 extern uid_t getuid(), geteuid();
 481 extern gid_t getgid(), getegid();
 482 # endif /* BSD */
 483
 484 # ifdef SYSMALLOC
 485 extern memalign_t malloc();
 486 extern memalign_t realloc();
 487 extern memalign_t calloc();
 488 extern void free();
 489 # endif /* SYSMALLOC */
 490
 491 # ifdef BSDJOBS
 492 #  ifdef BSDTIMES
 493 #   ifdef __MACHTEN__
 494 extern pid_t wait3();
 495 #   endif /* __MACHTEN__ */
 496 #  endif /* BSDTIMES */
 497 # endif /* BSDJOBS */
 498
 499 # if (!defined(fps500) && !defined(apollo) && !defined(__lucid) && !defined(HPBSD) && !defined(DECOSF1))
 500 extern void setpwent();
 501 extern void endpwent();
 502 # endif /* !fps500 && !apollo && !__lucid && !HPBSD && !DECOSF1 */
 503
 504 # ifndef __STDC__
 505 extern struct passwd *getpwuid(), *getpwnam(), *getpwent();
 506 #  ifdef HAVE_SHADOW_H
 507 extern struct spwd *getspnam(), *getspent();
 508 #  endif /* HAVE_SHADOW_H */
 509 #  if defined(HAVE_AUTH_H) && defined(HAVE_GETAUTHUID)
 510 extern struct authorization *getauthuid();
 511 #  endif /* HAVE_AUTH_H && HAVE_GETAUTHUID */
 512 # endif /* __STDC__ */
 513
 514 # ifndef getcwd
 515 extern char *getcwd();
 516 # endif /* getcwd */
 517
 518 #else /* POSIX || !SUNOS4 || !UTekV || !sysV88 */
 519
 520 # if (defined(SUNOS4) && !defined(__GNUC__)) || defined(_IBMR2) || defined(_IBMESA)
 521 extern char *getvwd();
 522 # endif /* (SUNOS4 && ! __GNUC__) || _IBMR2 || _IBMESA */
 523
 524 # ifdef SCO
 525 extern char *ttyname();
 526 # endif /* SCO */
 527
 528 # ifdef __clipper__
 529 extern char *ttyname();
 530 # endif /* __clipper__ */
 531
 532 #endif /* !POSIX || SUNOS4 || UTekV || sysV88 */
 533
 534 #if defined(SUNOS4) && __GNUC__ == 2
 535 /*
 536  * Somehow these are missing
 537  */
 538 extern int ioctl (int, int, ...);
 539 extern int readlink (const char *, char *, size_t);
 540 extern void setgrent (void);
 541 extern void endgrent (void);
 542 # ifdef REMOTEHOST
 543 #  ifndef _SOCKLEN_T    /* Avoid Solaris 2.7 bogosity. */
 544 struct sockaddr;
 545 extern int getpeername (int, struct sockaddr *, int *);
 546 #  endif /* _SOCKLEN_T */
 547 # endif /* REMOTEHOST */
 548 #endif /* SUNOS4 && __GNUC__ == 2 */
 549
 550 #if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4)
 551 # if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
 552 extern void bcopy       (const void *, void *, size_t);
 553 #  define memmove(a, b, c) (bcopy((char *) (b), (char *) (a), (int) (c)), a)
 554 # endif /* __alpha && __osf__ && DECOSF1 < 200 */
 555 #endif /* (BSD && !BSD4_4) || SUNOS4 */
 556
 557 #ifdef SUNOS4
 558 # include <memory.h>    /* memset should be declared in <string.h> but isn't */
 559 #endif /* SUNOS4 */
 560
 561 #if SYSVREL == 4
 562 # ifdef REMOTEHOST
 563 /* Irix6 defines getpeername(int, void *, int *) which conflicts with
 564    the definition below. */
 565 #  if !defined(__sgi) && !defined(_OSD_POSIX) && !defined(__MVS__)
 566 #   ifndef _SOCKLEN_T   /* Avoid Solaris 2.7 bogosity. */
 567 struct sockaddr;
 568 extern int getpeername (int, struct sockaddr *, int *);
 569 #   endif /* _SOCKLEN_T */
 570 #  endif /* !__sgi && !_OSD_POSIX && !__MVS__ */
 571 # endif /* REMOTEHOST */
 572 # ifndef BSDTIMES
 573 extern int getrlimit (int, struct rlimit *);
 574 extern int setrlimit (int, const struct rlimit *);
 575 # endif /* !BSDTIMES */
 576 # if defined(SOLARIS2)
 577 extern char *strerror (int);
 578 # endif /* SOLARIS2 */
 579 #endif /* SYSVREL == 4 */
 580
 581 #if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
 582 /* These are ok for 1.3, but conflict with the header files for 2.0 */
 583 extern char *sbrk (ssize_t);
 584 extern int ioctl (int, unsigned long, char *);
 585 extern pid_t vfork (void);
 586 extern int killpg (pid_t, int);
 587 #endif /* __osf__ && __alpha && DECOSF1 < 200 */
 588
 589 #ifndef va_copy
 590 # ifdef __va_copy
 591 #  define va_copy(DEST, SRC) __va_copy(DEST, SRC)
 592 # else
 593 #  define va_copy(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof(va_list))
 594 # endif
 595 #endif
 596
 597 #endif /* _h_tc_os */