tc.os.h revision 59243
1/* $Header: /src/pub/tcsh/tc.os.h,v 3.82 1999/02/06 15:19:03 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. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37#ifndef _h_tc_os 38#define _h_tc_os 39 40#ifndef WINNT 41#define NEEDstrerror /* Too hard to find which systems have it */ 42#endif /* WINNT */ 43 44 45#ifdef notdef 46/* 47 * for SVR4 and linux we used to fork pipelines backwards. 48 * This should not be needed any more. 49 * more info in sh.sem.c 50 */ 51# define BACKPIPE 52#endif /* notdef */ 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 86# undef NEEDstrerror 87#endif /* linux || __NetBSD__ || __FreeBSD__ || SYSVREL >= 4 */ 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 129extern 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 */ 140struct 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#endif /* hpux */ 167 168/* 169 * ISC does not define CSUSP 170 */ 171#ifdef ISC 172# ifndef CSUSP 173# define CSUSP 032 174# endif /* CSUSP */ 175# if defined(POSIX) && !defined(TIOCGWINSZ) 176/* 177 * ISC defines this only in termio.h. If we are using POSIX and include 178 * termios.h, then we define it ourselves so that window resizing works. 179 */ 180# define TIOCGWINSZ (('T'<<8)|104) 181# endif /* POSIX && !TIOCGWINSZ */ 182#endif /* ISC */ 183 184#ifdef ISC202 185# undef TIOCGWINSZ 186#endif /* ISC202 */ 187 188/* 189 * XXX: This will be changed soon to 190 * #if (SYSVREL > 0) && defined(TIOCGWINSZ) 191 * If that breaks on your machine, let me know. 192 * 193 * It would break on linux, where all this is 194 * defined in <termios.h>. Wrapper added. 195 */ 196#if !defined(linux) && !defined(_VMS_POSIX) 197# if defined(INTEL) || defined(u3b2) || defined (u3b5) || defined(ub15) || defined(u3b20d) || defined(ISC) || defined(SCO) || defined(tower32) 198# ifdef TIOCGWINSZ 199/* 200 * for struct winsiz 201 */ 202# include <sys/stream.h> 203# include <sys/ptem.h> 204# endif /* TIOCGWINSZ */ 205# ifndef ODT 206# define NEEDgethostname 207# endif /* ODT */ 208# endif /* INTEL || u3b2 || u3b5 || ub15 || u3b20d || ISC || SCO || tower32 */ 209#endif /* !linux && !_VMS_POSIX */ 210 211#if defined(UNIXPC) || defined(COHERENT) 212# define NEEDgethostname 213#endif /* UNIXPC || COHERENT */ 214 215#ifdef IRIS4D 216# include <sys/time.h> 217# include <sys/resource.h> 218# ifndef POSIX 219/* 220 * BSDsetpgrp() and BSDgetpgrp() are BSD versions of setpgrp, etc. 221 */ 222# define setpgrp BSDsetpgrp 223# define getpgrp BSDgetpgrp 224# endif /* POSIX */ 225#endif /* IRIS4D */ 226 227/* 228 * For some versions of system V software, specially ones that use the 229 * Wollongong Software TCP/IP, the FIOCLEX, FIONCLEX, FIONBIO calls 230 * might not work correctly for file descriptors [they work only for 231 * sockets]. So we try to use first the fcntl() and we only use the 232 * ioctl() form, only if we don't have the fcntl() one. 233 * 234 * From: scott@craycos.com (Scott Bolte) 235 */ 236#ifndef WINNT 237# ifdef F_SETFD 238# define close_on_exec(fd, v) fcntl((fd), F_SETFD, v) 239# else /* !F_SETFD */ 240# ifdef FIOCLEX 241# define close_on_exec(fd, v) ioctl((fd), ((v) ? FIOCLEX : FIONCLEX), NULL) 242# else /* !FIOCLEX */ 243# define close_on_exec(fd, v) /* Nothing */ 244# endif /* FIOCLEX */ 245# endif /* F_SETFD */ 246#else /* WINNT */ 247# define close_on_exec(fd, v) nt_close_on_exec((fd),(v)) 248#endif /* !WINNT */ 249 250/* 251 * Stat 252 */ 253#ifdef ISC 254/* these are not defined for _POSIX_SOURCE under ISC 2.2 */ 255# ifndef S_IFMT 256# define S_IFMT 0170000 /* type of file */ 257# define S_IFDIR 0040000 /* directory */ 258# define S_IFCHR 0020000 /* character special */ 259# define S_IFBLK 0060000 /* block special */ 260# define S_IFREG 0100000 /* regular */ 261# define S_IFIFO 0010000 /* fifo */ 262# define S_IFNAM 0050000 /* special named file */ 263# ifndef ISC202 264# define S_IFLNK 0120000 /* symbolic link */ 265# endif /* ISC202 */ 266# endif /* S_IFMT */ 267#endif /* ISC */ 268 269#if defined(uts) || defined(UTekV) || defined(sysV88) 270/* 271 * The uts 2.1.2 macros (Amdahl) are busted! 272 * You should fix <sys/stat.h>, cause other programs will break too! 273 * 274 * From: creiman@ncsa.uiuc.edu (Charlie Reiman) 275 */ 276 277/* 278 * The same applies to Motorola MPC (System V/88 R32V2, UTekV 3.2e) 279 * workstations, the stat macros are broken. 280 * Kaveh Ghazi (ghazi@caip.rutgers.edu) 281 */ 282# undef S_ISDIR 283# undef S_ISCHR 284# undef S_ISBLK 285# undef S_ISREG 286# undef S_ISFIFO 287# undef S_ISNAM 288# undef S_ISLNK 289# undef S_ISSOCK 290#endif /* uts || UTekV || sysV88 */ 291 292#ifdef S_IFMT 293# if !defined(S_ISDIR) && defined(S_IFDIR) 294# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR) 295# endif /* ! S_ISDIR && S_IFDIR */ 296# if !defined(S_ISCHR) && defined(S_IFCHR) 297# define S_ISCHR(a) (((a) & S_IFMT) == S_IFCHR) 298# endif /* ! S_ISCHR && S_IFCHR */ 299# if !defined(S_ISBLK) && defined(S_IFBLK) 300# define S_ISBLK(a) (((a) & S_IFMT) == S_IFBLK) 301# endif /* ! S_ISBLK && S_IFBLK */ 302# if !defined(S_ISREG) && defined(S_IFREG) 303# define S_ISREG(a) (((a) & S_IFMT) == S_IFREG) 304# endif /* ! S_ISREG && S_IFREG */ 305# if !defined(S_ISFIFO) && defined(S_IFIFO) 306# define S_ISFIFO(a) (((a) & S_IFMT) == S_IFIFO) 307# endif /* ! S_ISFIFO && S_IFIFO */ 308# if !defined(S_ISNAM) && defined(S_IFNAM) 309# define S_ISNAM(a) (((a) & S_IFMT) == S_IFNAM) 310# endif /* ! S_ISNAM && S_IFNAM */ 311# if !defined(S_ISLNK) && defined(S_IFLNK) 312# define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK) 313# endif /* ! S_ISLNK && S_IFLNK */ 314# if !defined(S_ISSOCK) && defined(S_IFSOCK) 315# define S_ISSOCK(a) (((a) & S_IFMT) == S_IFSOCK) 316# endif /* ! S_ISSOCK && S_IFSOCK */ 317#endif /* S_IFMT */ 318 319#ifdef tower32 320/* The header files lie; we really don't have symlinks */ 321# undef S_ISLNK 322# undef S_IFLNK 323#endif /* tower32 */ 324 325#ifndef S_IREAD 326# define S_IREAD 0000400 327#endif /* S_IREAD */ 328#ifndef S_IROTH 329# define S_IROTH (S_IREAD >> 6) 330#endif /* S_IROTH */ 331#ifndef S_IRGRP 332# define S_IRGRP (S_IREAD >> 3) 333#endif /* S_IRGRP */ 334#ifndef S_IRUSR 335# define S_IRUSR S_IREAD 336#endif /* S_IRUSR */ 337 338#ifndef S_IWRITE 339# define S_IWRITE 0000200 340#endif /* S_IWRITE */ 341#ifndef S_IWOTH 342# define S_IWOTH (S_IWRITE >> 6) 343#endif /* S_IWOTH */ 344#ifndef S_IWGRP 345# define S_IWGRP (S_IWRITE >> 3) 346#endif /* S_IWGRP */ 347#ifndef S_IWUSR 348# define S_IWUSR S_IWRITE 349#endif /* S_IWUSR */ 350 351#ifndef S_IEXEC 352# define S_IEXEC 0000100 353#endif /* S_IEXEC */ 354#ifndef S_IXOTH 355# define S_IXOTH (S_IEXEC >> 6) 356#endif /* S_IXOTH */ 357#ifndef S_IXGRP 358# define S_IXGRP (S_IEXEC >> 3) 359#endif /* S_IXGRP */ 360#ifndef S_IXUSR 361# define S_IXUSR S_IEXEC 362#endif /* S_IXUSR */ 363 364#ifndef S_ISUID 365# define S_ISUID 0004000 /* setuid */ 366#endif /* S_ISUID */ 367#ifndef S_ISGID 368# define S_ISGID 0002000 /* setgid */ 369#endif /* S_ISGID */ 370#ifndef S_ISVTX 371# define S_ISVTX 0001000 /* sticky */ 372#endif /* S_ISVTX */ 373#ifndef S_ENFMT 374# define S_ENFMT S_ISGID /* record locking enforcement flag */ 375#endif /* S_ENFMT */ 376 377/* the following macros are for POSIX conformance */ 378#ifndef S_IRWXU 379# define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) 380#endif /* S_IRWXU */ 381#ifndef S_IRWXG 382# define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) 383#endif /* S_IRWXG */ 384#ifndef S_IRWXO 385# define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) 386#endif /* S_IRWXO */ 387 388/* 389 * Access() 390 */ 391#ifndef F_OK 392# define F_OK 0 393#endif /* F_OK */ 394#ifndef X_OK 395# define X_OK 1 396#endif /* X_OK */ 397#ifndef W_OK 398# define W_OK 2 399#endif /* W_OK */ 400#ifndef R_OK 401# define R_OK 4 402#endif /* R_OK */ 403 404/* 405 * Open() 406 */ 407#ifndef O_RDONLY 408# define O_RDONLY 0 409#endif /* O_RDONLY */ 410#ifndef O_WRONLY 411# define O_WRONLY 1 412#endif /* O_WRONLY */ 413#ifndef O_RDWR 414# define O_RDWR 2 415#endif /* O_RDWR */ 416 417/* 418 * Lseek() 419 */ 420#ifndef L_SET 421# ifdef SEEK_SET 422# define L_SET SEEK_SET 423# else /* !SEEK_SET */ 424# define L_SET 0 425# endif /* SEEK_SET */ 426#endif /* L_SET */ 427#ifndef L_INCR 428# ifdef SEEK_CUR 429# define L_INCR SEEK_CUR 430# else /* !SEEK_CUR */ 431# define L_INCR 1 432# endif /* SEEK_CUR */ 433#endif /* L_INCR */ 434#ifndef L_XTND 435# ifdef SEEK_END 436# define L_XTND SEEK_END 437# else /* !SEEK_END */ 438# define L_XTND 2 439# endif /* SEEK_END */ 440#endif /* L_XTND */ 441 442#ifdef _SEQUENT_ 443# define NEEDgethostname 444#endif /* _SEQUENT_ */ 445 446#if defined(BSD) && defined(POSIXJOBS) && !defined(BSD4_4) && !defined(__hp_osf) 447# define setpgid(pid, pgrp) setpgrp(pid, pgrp) 448#endif /* BSD && POSIXJOBS && && !BSD4_4 && !__hp_osf */ 449 450#if defined(BSDJOBS) && !(defined(POSIX) && defined(POSIXJOBS)) 451# if !defined(_AIX370) && !defined(_AIXPS2) 452# define setpgid(pid, pgrp) setpgrp(pid, pgrp) 453# endif /* !_AIX370 && !_AIXPS2 */ 454# define NEEDtcgetpgrp 455#endif /* BSDJOBS && !(POSIX && POSIXJOBS) */ 456 457#ifdef RENO 458/* 459 * RENO has this broken. It is fixed on 4.4BSD 460 */ 461# define NEEDtcgetpgrp 462#endif /* RENO */ 463 464#ifdef DGUX 465# define setpgrp(a, b) setpgrp2(a, b) 466# define getpgrp(a) getpgrp2(a) 467#endif /* DGUX */ 468 469#ifdef SXA 470# ifndef _BSDX_ 471/* 472 * Only needed in the system V environment. 473 */ 474# define setrlimit bsd_setrlimit 475# define getrlimit bsd_getrlimit 476# endif /* _BSDX_ */ 477#endif /* SXA */ 478 479#if defined(_MINIX) || defined(__EMX__) 480# define NEEDgethostname 481# define NEEDnice 482# define HAVENOLIMIT 483/* 484 * Minix does not have these, so... 485 */ 486# define getpgrp getpid 487#endif /* _MINIX || __EMX__ */ 488 489#ifdef __EMX__ 490/* XXX: How can we get the tty name in emx? */ 491# define ttyname(fd) (isatty(fd) ? "/dev/tty" : NULL) 492#endif /* __EMX__ */ 493 494#ifndef POSIX 495# define mygetpgrp() getpgrp(0) 496#else /* POSIX */ 497# if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4) || defined(IRIS4D) || defined(DGUX) || defined(HPRT) 498# define mygetpgrp() getpgrp(0) 499# else /* !((BSD && !BSD4_4) || SUNOS4 || IRIS4D || DGUX || HPRT) */ 500# define mygetpgrp() getpgrp() 501# endif /* (BSD && BSD4_4) || SUNOS4 || IRISD || DGUX || HPRT */ 502#endif /* POSIX */ 503 504 505#if !defined(SOLARIS2) && !defined(sinix) && !defined(BSD4_4) && !defined(WINNT) 506# if (SYSVREL > 0 && !defined(OREO) && !defined(sgi) && !defined(linux) && !defined(sinix) && !defined(_AIX) &&!defined(_UWIN)) || defined(NeXT) 507# define NEEDgetcwd 508# endif /* (SYSVREL > 0 && !OREO && !sgi && !linux && !sinix && !_AIX && !_UWIN) || NeXT */ 509#endif 510 511#ifndef S_IFLNK 512# define lstat stat 513#endif /* S_IFLNK */ 514 515 516#if defined(BSDTIMES) && !defined(_SEQUENT_) 517typedef struct timeval timeval_t; 518#endif /* BSDTIMES && ! _SEQUENT_ */ 519 520#ifdef NeXT 521/* 522 * From Tony_Mason@transarc.com, override NeXT's malloc stuff. 523 */ 524# define malloc tcsh_malloc 525# define calloc tcsh_calloc 526# define realloc tcsh_realloc 527# define free tcsh_free 528#endif /* NeXT */ 529 530#if !defined(BSD4_4) && !defined(__linux__) && !defined(__hpux) && !defined(sgi) 531#ifndef NEEDgethostname 532extern int gethostname __P((char *, int)); 533#endif /* NEEDgethostname */ 534#endif /* !BDS4_4 && !__linux__ && !__hpux && !sgi */ 535 536#if !defined(POSIX) || defined(SUNOS4) || defined(UTekV) || defined(sysV88) 537extern time_t time(); 538extern char *getenv(); 539extern int atoi(); 540# ifndef __EMX__ 541extern char *ttyname(); 542# endif /* __EMX__ */ 543 544# if defined(SUNOS4) 545# ifndef toupper 546extern int toupper __P((int)); 547# endif /* toupper */ 548# ifndef tolower 549extern int tolower __P((int)); 550# endif /* tolower */ 551extern caddr_t sbrk __P((int)); 552# if SYSVREL == 0 && !defined(__lucid) 553extern int qsort(); 554# endif /* SYSVREL == 0 && !__lucid */ 555# else /* !SUNOS4 */ 556# ifndef WINNT 557# ifndef hpux 558# if __GNUC__ != 2 559extern int abort(); 560# endif /* __GNUC__ != 2 */ 561# ifndef fps500 562extern int qsort(); 563# endif /* !fps500 */ 564# else /* !hpux */ 565extern void abort(); 566extern void qsort(); 567# endif /* hpux */ 568# endif /* !WINNT */ 569# endif /* SUNOS4 */ 570#ifndef _CX_UX 571extern void perror(); 572#endif 573 574# ifdef BSDSIGS 575# if defined(_AIX370) || defined(MACH) || defined(NeXT) || defined(_AIXPS2) || defined(ardent) || defined(SUNOS4) || defined(HPBSD) || defined(__MACHTEN__) 576extern int sigvec(); 577extern int sigpause(); 578# else /* !(_AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD) */ 579# if (!defined(apollo) || !defined(__STDC__)) && !defined(__DGUX__) && !defined(fps500) 580extern sigret_t sigvec(); 581#ifndef _CX_UX 582extern void sigpause(); 583#endif /* _CX_UX */ 584# endif /* (!apollo || !__STDC__) && !__DGUX__ && !fps500 */ 585# endif /* _AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD */ 586extern sigmask_t sigblock(); 587extern sigmask_t sigsetmask(); 588# endif /* BSDSIGS */ 589 590# ifndef killpg 591extern int killpg(); 592# endif /* killpg */ 593 594# ifndef lstat 595extern int lstat(); 596# endif /* lstat */ 597 598# ifdef BSD 599extern uid_t getuid(), geteuid(); 600extern gid_t getgid(), getegid(); 601# endif /* BSD */ 602 603# ifdef SYSMALLOC 604extern memalign_t malloc(); 605extern memalign_t realloc(); 606extern memalign_t calloc(); 607extern void free(); 608# endif /* SYSMALLOC */ 609 610# ifdef BSDTIMES 611extern int getrlimit(); 612extern int setrlimit(); 613extern int getrusage(); 614extern int gettimeofday(); 615# endif /* BSDTIMES */ 616 617# if defined(NLS) && !defined(NOSTRCOLL) && !defined(NeXT) 618extern int strcoll(); 619# endif /* NLS && !NOSTRCOLL && !NeXT */ 620 621# ifdef BSDJOBS 622# ifdef BSDTIMES 623# ifdef __MACHTEN__ 624extern pid_t wait3(); 625# else 626# ifndef HPBSD 627extern int wait3(); 628# endif /* HPBSD */ 629# endif /* __MACHTEN__ */ 630# else /* !BSDTIMES */ 631# if !defined(POSIXJOBS) && !defined(_SEQUENT_) 632extern int wait3(); 633# else /* POSIXJOBS || _SEQUENT_ */ 634extern int waitpid(); 635# endif /* POSIXJOBS || _SEQUENT_ */ 636# endif /* BSDTIMES */ 637# else /* !BSDJOBS */ 638# if SYSVREL < 3 639extern int ourwait(); 640# else /* SYSVREL >= 3 */ 641extern int wait(); 642# endif /* SYSVREL < 3 */ 643# endif /* BSDJOBS */ 644 645# ifdef BSDNICE 646extern int setpriority(); 647# else /* !BSDNICE */ 648extern int nice(); 649# endif /* BSDNICE */ 650 651# if (!defined(fps500) && !defined(apollo) && !defined(__lucid) && !defined(HPBSD) && !defined(DECOSF1)) 652extern void setpwent(); 653extern void endpwent(); 654# endif /* !fps500 && !apollo && !__lucid && !HPBSD && !DECOSF1 */ 655 656# ifndef __STDC__ 657extern struct passwd *getpwuid(), *getpwnam(), *getpwent(); 658# ifdef PW_SHADOW 659extern struct spwd *getspnam(), *getspent(); 660# endif /* PW_SHADOW */ 661# ifdef PW_AUTH 662extern struct authorization *getauthuid(); 663# endif /* PW_AUTH */ 664# endif /* __STDC__ */ 665 666# ifndef getcwd 667extern char *getcwd(); 668# endif /* getcwd */ 669 670#else /* POSIX || !SUNOS4 || !UTekV || !sysV88 */ 671 672# if (defined(SUNOS4) && !defined(__GNUC__)) || defined(_IBMR2) || defined(_IBMESA) 673extern char *getvwd(); 674# endif /* (SUNOS4 && ! __GNUC__) || _IBMR2 || _IBMESA */ 675 676# ifdef SCO 677extern char *ttyname(); 678# endif /* SCO */ 679 680# ifdef __clipper__ 681extern char *ttyname(); 682# endif /* __clipper__ */ 683 684#endif /* !POSIX || SUNOS4 || UTekV || sysV88 */ 685 686#if defined(SUNOS4) && __GNUC__ == 2 687/* 688 * Somehow these are missing 689 */ 690extern int ioctl __P((int, int, ...)); 691extern int readlink __P((const char *, char *, size_t)); 692extern void setgrent __P((void)); 693extern void endgrent __P((void)); 694# ifdef REMOTEHOST 695# ifndef _SOCKLEN_T /* Avoid Solaris 2.7 bogosity. */ 696struct sockaddr; 697extern int getpeername __P((int, struct sockaddr *, int *)); 698# endif /* _SOCKLEN_T */ 699# endif /* REMOTEHOST */ 700#endif /* SUNOS4 && __GNUC__ == 2 */ 701 702#if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4) 703# if defined(__alpha) && defined(__osf__) && DECOSF1 < 200 704extern void bcopy __P((const void *, void *, size_t)); 705# define memmove(a, b, c) (bcopy((char *) (b), (char *) (a), (int) (c)), a) 706# endif /* __alpha && __osf__ && DECOSF1 < 200 */ 707#endif /* (BSD && !BSD4_4) || SUNOS4 */ 708 709#if !defined(hpux) && !defined(COHERENT) && ((SYSVREL < 4) || defined(_SEQUENT_)) && !defined(BSD4_4) && !defined(memmove) 710# define NEEDmemmove 711#endif /* !hpux && !COHERENT && (SYSVREL < 4 || _SEQUENT_) && !BSD4_4 && !memmove */ 712 713#if defined(UTek) || defined(pyr) 714# define NEEDmemset 715#else /* !UTek && !pyr */ 716# ifdef SUNOS4 717# include <memory.h> /* memset should be declared in <string.h> but isn't */ 718# endif /* SUNOS4 */ 719#endif /* UTek || pyr */ 720 721#if SYSVREL == 4 722# ifdef REMOTEHOST 723/* Irix6 defines getpeername(int, void *, int *) which conflicts with 724 the definition below. */ 725# if !defined(__sgi) && !defined(_OSD_POSIX) 726# ifndef _SOCKLEN_T /* Avoid Solaris 2.7 bogosity. */ 727struct sockaddr; 728extern int getpeername __P((int, struct sockaddr *, int *)); 729# endif /* _SOCKLEN_T */ 730# endif /* !__sgi && !_OSD_POSIX */ 731# endif /* REMOTEHOST */ 732# ifndef BSDTIMES 733extern int getrlimit __P((int, struct rlimit *)); 734extern int setrlimit __P((int, const struct rlimit *)); 735# endif /* !BSDTIMES */ 736# if !defined(IRIS4D) && !defined(SOLARIS2) 737extern int wait3(); /* I think some bizarre systems still need this */ 738# endif /* !IRIS4D && !SOLARIS2 */ 739# if defined(SOLARIS2) 740# undef NEEDstrerror 741extern char *strerror __P((int)); 742# endif /* SOLARIS2 */ 743#endif /* SYSVREL == 4 */ 744 745#if defined(__alpha) && defined(__osf__) && DECOSF1 < 200 746/* These are ok for 1.3, but conflict with the header files for 2.0 */ 747extern int gethostname __P((char *, int)); 748extern char *sbrk __P((ssize_t)); 749extern int ioctl __P((int, unsigned long, char *)); 750extern pid_t vfork __P((void)); 751extern int killpg __P((pid_t, int)); 752#endif /* __osf__ && __alpha && DECOSF1 < 200 */ 753 754#endif /* _h_tc_os */ 755