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 */ 759