/* $Header: /src/pub/tcsh/tc.os.h,v 3.88 2002/05/16 13:51:26 christos Exp $ */ /* * tc.os.h: Shell os dependent defines */ /*- * Copyright (c) 1980, 1991 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _h_tc_os #define _h_tc_os #ifndef WINNT_NATIVE #define NEEDstrerror /* Too hard to find which systems have it */ #endif /* WINNT_NATIVE */ #ifdef notdef /* * for SVR4 and linux we used to fork pipelines backwards. * This should not be needed any more. * more info in sh.sem.c */ # define BACKPIPE #endif /* notdef */ #ifdef __CYGWIN__ # undef NEEDstrerror #endif #ifdef _VMS_POSIX # ifndef NOFILE # define NOFILE 64 # endif /* NOFILE */ # define nice(a) setprio((getpid()),a) # undef NEEDstrerror /* won't get sensible error messages otherwise */ # define NEEDgethostname # include /* for time stuff in tc.prompt.c */ # include #endif /* atp vmsposix */ #if defined(DECOSF1) || defined(HPUXVERSION) # include #endif /* DECOSF1 || HPUXVERSION */ #ifdef DECOSF1 # include #endif /* DECOSF1 */ #if defined(OPEN_MAX) && !defined(NOFILE) # define NOFILE OPEN_MAX #endif /* OPEN_MAX && !NOFILE */ #if defined(USR_NFDS) && !defined(NOFILE) # define NOFILE USR_NFDS #endif /* USR_NFDS && !NOFILE */ #ifndef NOFILE # define NOFILE 256 #endif /* NOFILE */ #if defined(linux) || defined(__NetBSD__) || defined(__FreeBSD__) || SYSVREL >= 4 || defined(_MINIX_VMD) # undef NEEDstrerror #endif /* linux || __NetBSD__ || __FreeBSD__ || SYSVREL >= 4 || _MINIX_VMD */ #if !defined(pyr) && !defined(sinix) /* Pyramid's cpp complains about the next line */ # if defined(BSD) && BSD >= 199306 # undef NEEDstrerror # endif /* BSD && BSD >= 199306 */ #endif /* pyr */ #ifdef OREO # include # ifdef notdef /* Don't include it, because it defines things we don't really have */ # include # endif /* notdef */ # ifdef POSIX # include # include # endif /* POSIX */ #endif /* OREO */ #ifndef NCARGS # ifdef _SC_ARG_MAX # define NCARGS sysconf(_SC_ARG_MAX) # else /* !_SC_ARG_MAX */ # ifdef ARG_MAX # define NCARGS ARG_MAX # else /* !ARG_MAX */ # ifdef _MINIX # define NCARGS 80 # else /* !_MINIX */ # define NCARGS 1024 # endif /* _MINIX */ # endif /* ARG_MAX */ # endif /* _SC_ARG_MAX */ #endif /* NCARGS */ #ifdef convex # include #endif /* convex */ #ifdef titan extern int end; #endif /* titan */ #ifdef hpux # ifdef lint /* * Hpux defines struct ucred, in , but if I include that * then I need to include the *world* * [all this to pass lint cleanly!!!] * so I define struct ucred here... */ struct ucred { int foo; }; # endif /* lint */ /* * hpux 7.0 does not define it */ # ifndef CSUSP # define CSUSP 032 # endif /* CSUSP */ # include # if !defined(hp9000s500) && !(defined(SIGRTMAX) || defined(SIGRTMIN)) /* * hpux < 7 */ # include # endif /* !hp9000s500 && !(SIGRTMAX || SIGRTMIN) */ # ifndef POSIX # ifdef BSDJOBS # define getpgrp(a) getpgrp2(a) # define setpgrp(a, b) setpgrp2(a, b) # endif /* BSDJOBS */ # endif /* POSIX */ # ifndef TIOCSTI # include # endif #endif /* hpux */ /* * ISC does not define CSUSP */ #ifdef ISC # ifndef CSUSP # define CSUSP 032 # endif /* CSUSP */ # if defined(POSIX) && !defined(TIOCGWINSZ) /* * ISC defines this only in termio.h. If we are using POSIX and include * termios.h, then we define it ourselves so that window resizing works. */ # define TIOCGWINSZ (('T'<<8)|104) # endif /* POSIX && !TIOCGWINSZ */ #endif /* ISC */ #ifdef ISC202 # undef TIOCGWINSZ #endif /* ISC202 */ /* * XXX: This will be changed soon to * #if (SYSVREL > 0) && defined(TIOCGWINSZ) * If that breaks on your machine, let me know. * * It would break on linux, where all this is * defined in . Wrapper added. */ #if !defined(linux) && !defined(_VMS_POSIX) # if defined(INTEL) || defined(u3b2) || defined (u3b5) || defined(ub15) || defined(u3b20d) || defined(ISC) || defined(SCO) || defined(tower32) # ifdef TIOCGWINSZ /* * for struct winsiz */ # include # include # endif /* TIOCGWINSZ */ # ifndef ODT # define NEEDgethostname # endif /* ODT */ # endif /* INTEL || u3b2 || u3b5 || ub15 || u3b20d || ISC || SCO || tower32 */ #endif /* !linux && !_VMS_POSIX */ #if defined(UNIXPC) || defined(COHERENT) # define NEEDgethostname #endif /* UNIXPC || COHERENT */ #ifdef IRIS4D # include # include # ifndef POSIX /* * BSDsetpgrp() and BSDgetpgrp() are BSD versions of setpgrp, etc. */ # define setpgrp BSDsetpgrp # define getpgrp BSDgetpgrp # endif /* POSIX */ #endif /* IRIS4D */ /* * For some versions of system V software, specially ones that use the * Wollongong Software TCP/IP, the FIOCLEX, FIONCLEX, FIONBIO calls * might not work correctly for file descriptors [they work only for * sockets]. So we try to use first the fcntl() and we only use the * ioctl() form, only if we don't have the fcntl() one. * * From: scott@craycos.com (Scott Bolte) */ #ifndef WINNT_NATIVE # ifdef F_SETFD # define close_on_exec(fd, v) fcntl((fd), F_SETFD, v) # else /* !F_SETFD */ # ifdef FIOCLEX # define close_on_exec(fd, v) ioctl((fd), ((v) ? FIOCLEX : FIONCLEX), NULL) # else /* !FIOCLEX */ # define close_on_exec(fd, v) /* Nothing */ # endif /* FIOCLEX */ # endif /* F_SETFD */ #else /* WINNT_NATIVE */ # define close_on_exec(fd, v) nt_close_on_exec((fd),(v)) #endif /* !WINNT_NATIVE */ /* * Stat */ #ifdef ISC /* these are not defined for _POSIX_SOURCE under ISC 2.2 */ # ifndef S_IFMT # define S_IFMT 0170000 /* type of file */ # define S_IFDIR 0040000 /* directory */ # define S_IFCHR 0020000 /* character special */ # define S_IFBLK 0060000 /* block special */ # define S_IFREG 0100000 /* regular */ # define S_IFIFO 0010000 /* fifo */ # define S_IFNAM 0050000 /* special named file */ # ifndef ISC202 # define S_IFLNK 0120000 /* symbolic link */ # endif /* ISC202 */ # endif /* S_IFMT */ #endif /* ISC */ #if defined(uts) || defined(UTekV) || defined(sysV88) /* * The uts 2.1.2 macros (Amdahl) are busted! * You should fix , cause other programs will break too! * * From: creiman@ncsa.uiuc.edu (Charlie Reiman) */ /* * The same applies to Motorola MPC (System V/88 R32V2, UTekV 3.2e) * workstations, the stat macros are broken. * Kaveh Ghazi (ghazi@caip.rutgers.edu) */ # undef S_ISDIR # undef S_ISCHR # undef S_ISBLK # undef S_ISREG # undef S_ISFIFO # undef S_ISNAM # undef S_ISLNK # undef S_ISSOCK #endif /* uts || UTekV || sysV88 */ #ifdef S_IFMT # if !defined(S_ISDIR) && defined(S_IFDIR) # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR) # endif /* ! S_ISDIR && S_IFDIR */ # if !defined(S_ISCHR) && defined(S_IFCHR) # define S_ISCHR(a) (((a) & S_IFMT) == S_IFCHR) # endif /* ! S_ISCHR && S_IFCHR */ # if !defined(S_ISBLK) && defined(S_IFBLK) # define S_ISBLK(a) (((a) & S_IFMT) == S_IFBLK) # endif /* ! S_ISBLK && S_IFBLK */ # if !defined(S_ISREG) && defined(S_IFREG) # define S_ISREG(a) (((a) & S_IFMT) == S_IFREG) # endif /* ! S_ISREG && S_IFREG */ # if !defined(S_ISFIFO) && defined(S_IFIFO) # define S_ISFIFO(a) (((a) & S_IFMT) == S_IFIFO) # endif /* ! S_ISFIFO && S_IFIFO */ # if !defined(S_ISNAM) && defined(S_IFNAM) # define S_ISNAM(a) (((a) & S_IFMT) == S_IFNAM) # endif /* ! S_ISNAM && S_IFNAM */ # if !defined(S_ISLNK) && defined(S_IFLNK) # define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK) # endif /* ! S_ISLNK && S_IFLNK */ # if !defined(S_ISSOCK) && defined(S_IFSOCK) # define S_ISSOCK(a) (((a) & S_IFMT) == S_IFSOCK) # endif /* ! S_ISSOCK && S_IFSOCK */ #endif /* S_IFMT */ #ifdef tower32 /* The header files lie; we really don't have symlinks */ # undef S_ISLNK # undef S_IFLNK #endif /* tower32 */ #ifndef S_IREAD # define S_IREAD 0000400 #endif /* S_IREAD */ #ifndef S_IROTH # define S_IROTH (S_IREAD >> 6) #endif /* S_IROTH */ #ifndef S_IRGRP # define S_IRGRP (S_IREAD >> 3) #endif /* S_IRGRP */ #ifndef S_IRUSR # define S_IRUSR S_IREAD #endif /* S_IRUSR */ #ifndef S_IWRITE # define S_IWRITE 0000200 #endif /* S_IWRITE */ #ifndef S_IWOTH # define S_IWOTH (S_IWRITE >> 6) #endif /* S_IWOTH */ #ifndef S_IWGRP # define S_IWGRP (S_IWRITE >> 3) #endif /* S_IWGRP */ #ifndef S_IWUSR # define S_IWUSR S_IWRITE #endif /* S_IWUSR */ #ifndef S_IEXEC # define S_IEXEC 0000100 #endif /* S_IEXEC */ #ifndef S_IXOTH # define S_IXOTH (S_IEXEC >> 6) #endif /* S_IXOTH */ #ifndef S_IXGRP # define S_IXGRP (S_IEXEC >> 3) #endif /* S_IXGRP */ #ifndef S_IXUSR # define S_IXUSR S_IEXEC #endif /* S_IXUSR */ #ifndef S_ISUID # define S_ISUID 0004000 /* setuid */ #endif /* S_ISUID */ #ifndef S_ISGID # define S_ISGID 0002000 /* setgid */ #endif /* S_ISGID */ #ifndef S_ISVTX # define S_ISVTX 0001000 /* sticky */ #endif /* S_ISVTX */ #ifndef S_ENFMT # define S_ENFMT S_ISGID /* record locking enforcement flag */ #endif /* S_ENFMT */ /* the following macros are for POSIX conformance */ #ifndef S_IRWXU # define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) #endif /* S_IRWXU */ #ifndef S_IRWXG # define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) #endif /* S_IRWXG */ #ifndef S_IRWXO # define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) #endif /* S_IRWXO */ /* * Access() */ #ifndef F_OK # define F_OK 0 #endif /* F_OK */ #ifndef X_OK # define X_OK 1 #endif /* X_OK */ #ifndef W_OK # define W_OK 2 #endif /* W_OK */ #ifndef R_OK # define R_OK 4 #endif /* R_OK */ /* * Open() */ #ifndef O_RDONLY # define O_RDONLY 0 #endif /* O_RDONLY */ #ifndef O_WRONLY # define O_WRONLY 1 #endif /* O_WRONLY */ #ifndef O_RDWR # define O_RDWR 2 #endif /* O_RDWR */ /* * Lseek() */ #ifndef L_SET # ifdef SEEK_SET # define L_SET SEEK_SET # else /* !SEEK_SET */ # define L_SET 0 # endif /* SEEK_SET */ #endif /* L_SET */ #ifndef L_INCR # ifdef SEEK_CUR # define L_INCR SEEK_CUR # else /* !SEEK_CUR */ # define L_INCR 1 # endif /* SEEK_CUR */ #endif /* L_INCR */ #ifndef L_XTND # ifdef SEEK_END # define L_XTND SEEK_END # else /* !SEEK_END */ # define L_XTND 2 # endif /* SEEK_END */ #endif /* L_XTND */ #ifdef _SEQUENT_ # define NEEDgethostname #endif /* _SEQUENT_ */ #if defined(BSD) && defined(POSIXJOBS) && !defined(BSD4_4) && !defined(__hp_osf) # define setpgid(pid, pgrp) setpgrp(pid, pgrp) #endif /* BSD && POSIXJOBS && && !BSD4_4 && !__hp_osf */ #if defined(BSDJOBS) && !(defined(POSIX) && defined(POSIXJOBS)) # if !defined(_AIX370) && !defined(_AIXPS2) # define setpgid(pid, pgrp) setpgrp(pid, pgrp) # endif /* !_AIX370 && !_AIXPS2 */ # define NEEDtcgetpgrp #endif /* BSDJOBS && !(POSIX && POSIXJOBS) */ #ifdef RENO /* * RENO has this broken. It is fixed on 4.4BSD */ # define NEEDtcgetpgrp #endif /* RENO */ #ifdef DGUX # define setpgrp(a, b) setpgrp2(a, b) # define getpgrp(a) getpgrp2(a) #endif /* DGUX */ #ifdef SXA # ifndef _BSDX_ /* * Only needed in the system V environment. */ # define setrlimit bsd_setrlimit # define getrlimit bsd_getrlimit # endif /* _BSDX_ */ #endif /* SXA */ #if defined(_MINIX) || defined(__EMX__) # define NEEDgethostname # define NEEDnice # define HAVENOLIMIT /* * Minix does not have these, so... */ # define getpgrp getpid #endif /* _MINIX || __EMX__ */ #ifdef __EMX__ /* XXX: How can we get the tty name in emx? */ # define ttyname(fd) (isatty(fd) ? "/dev/tty" : NULL) #endif /* __EMX__ */ #ifndef POSIX # define mygetpgrp() getpgrp(0) #else /* POSIX */ # if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4) || defined(IRIS4D) || defined(DGUX) || defined(HPRT) # define mygetpgrp() getpgrp(0) # else /* !((BSD && !BSD4_4) || SUNOS4 || IRIS4D || DGUX || HPRT) */ # define mygetpgrp() getpgrp() # endif /* (BSD && BSD4_4) || SUNOS4 || IRISD || DGUX || HPRT */ #endif /* POSIX */ #if !defined(SOLARIS2) && !defined(sinix) && !defined(BSD4_4) && !defined(WINNT_NATIVE) # if (SYSVREL > 0 && !defined(OREO) && !defined(sgi) && !defined(linux) && !defined(sinix) && !defined(_AIX) &&!defined(_UWIN)) || defined(NeXT) # define NEEDgetcwd # endif /* (SYSVREL > 0 && !OREO && !sgi && !linux && !sinix && !_AIX && !_UWIN) || NeXT */ #endif #ifndef S_IFLNK # define lstat stat #endif /* S_IFLNK */ #if defined(BSDTIMES) && !defined(_SEQUENT_) typedef struct timeval timeval_t; #endif /* BSDTIMES && ! _SEQUENT_ */ #ifdef NeXT /* * From Tony_Mason@transarc.com, override NeXT's malloc stuff. */ # define malloc tcsh_malloc # define calloc tcsh_calloc # define realloc tcsh_realloc # define free tcsh_free #endif /* NeXT */ #if !defined(BSD4_4) && !defined(__linux__) && !defined(__hpux) && \ !defined(sgi) && !defined(_AIX) && !defined(__CYGWIN__) #ifndef NEEDgethostname extern int gethostname __P((char *, int)); #endif /* NEEDgethostname */ #endif /* !BDS4_4 && !__linux__ && !__hpux && !sgi */ #if !defined(POSIX) || defined(SUNOS4) || defined(UTekV) || defined(sysV88) extern time_t time(); extern char *getenv(); extern int atoi(); # ifndef __EMX__ extern char *ttyname(); # endif /* __EMX__ */ # if defined(SUNOS4) # ifndef toupper extern int toupper __P((int)); # endif /* toupper */ # ifndef tolower extern int tolower __P((int)); # endif /* tolower */ extern caddr_t sbrk __P((int)); # if SYSVREL == 0 && !defined(__lucid) extern int qsort(); # endif /* SYSVREL == 0 && !__lucid */ # else /* !SUNOS4 */ # ifndef WINNT_NATIVE # ifndef hpux # if __GNUC__ != 2 extern int abort(); # endif /* __GNUC__ != 2 */ # ifndef fps500 extern int qsort(); # endif /* !fps500 */ # else /* !hpux */ extern void abort(); extern void qsort(); # endif /* hpux */ # endif /* !WINNT_NATIVE */ # endif /* SUNOS4 */ #ifndef _CX_UX extern void perror(); #endif # ifdef BSDSIGS # if defined(_AIX370) || defined(MACH) || defined(NeXT) || defined(_AIXPS2) || defined(ardent) || defined(SUNOS4) || defined(HPBSD) || defined(__MACHTEN__) extern int sigvec(); extern int sigpause(); # else /* !(_AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD) */ # if (!defined(apollo) || !defined(__STDC__)) && !defined(__DGUX__) && !defined(fps500) extern sigret_t sigvec(); #ifndef _CX_UX extern void sigpause(); #endif /* _CX_UX */ # endif /* (!apollo || !__STDC__) && !__DGUX__ && !fps500 */ # endif /* _AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD */ extern sigmask_t sigblock(); extern sigmask_t sigsetmask(); # endif /* BSDSIGS */ # ifndef killpg extern int killpg(); # endif /* killpg */ # ifndef lstat extern int lstat(); # endif /* lstat */ # ifdef BSD extern uid_t getuid(), geteuid(); extern gid_t getgid(), getegid(); # endif /* BSD */ # ifdef SYSMALLOC extern memalign_t malloc(); extern memalign_t realloc(); extern memalign_t calloc(); extern void free(); # endif /* SYSMALLOC */ # ifdef BSDTIMES extern int getrlimit(); extern int setrlimit(); extern int getrusage(); extern int gettimeofday(); # endif /* BSDTIMES */ # if defined(NLS) && !defined(NOSTRCOLL) && !defined(NeXT) extern int strcoll(); # endif /* NLS && !NOSTRCOLL && !NeXT */ # ifdef BSDJOBS # ifdef BSDTIMES # ifdef __MACHTEN__ extern pid_t wait3(); # else # ifndef HPBSD extern int wait3(); # endif /* HPBSD */ # endif /* __MACHTEN__ */ # else /* !BSDTIMES */ # if !defined(POSIXJOBS) && !defined(_SEQUENT_) extern int wait3(); # else /* POSIXJOBS || _SEQUENT_ */ extern int waitpid(); # endif /* POSIXJOBS || _SEQUENT_ */ # endif /* BSDTIMES */ # else /* !BSDJOBS */ # if SYSVREL < 3 extern int ourwait(); # else /* SYSVREL >= 3 */ extern int wait(); # endif /* SYSVREL < 3 */ # endif /* BSDJOBS */ # ifdef BSDNICE extern int setpriority(); # else /* !BSDNICE */ extern int nice(); # endif /* BSDNICE */ # if (!defined(fps500) && !defined(apollo) && !defined(__lucid) && !defined(HPBSD) && !defined(DECOSF1)) extern void setpwent(); extern void endpwent(); # endif /* !fps500 && !apollo && !__lucid && !HPBSD && !DECOSF1 */ # ifndef __STDC__ extern struct passwd *getpwuid(), *getpwnam(), *getpwent(); # ifdef PW_SHADOW extern struct spwd *getspnam(), *getspent(); # endif /* PW_SHADOW */ # ifdef PW_AUTH extern struct authorization *getauthuid(); # endif /* PW_AUTH */ # endif /* __STDC__ */ # ifndef getcwd extern char *getcwd(); # endif /* getcwd */ #else /* POSIX || !SUNOS4 || !UTekV || !sysV88 */ # if (defined(SUNOS4) && !defined(__GNUC__)) || defined(_IBMR2) || defined(_IBMESA) extern char *getvwd(); # endif /* (SUNOS4 && ! __GNUC__) || _IBMR2 || _IBMESA */ # ifdef SCO extern char *ttyname(); # endif /* SCO */ # ifdef __clipper__ extern char *ttyname(); # endif /* __clipper__ */ #endif /* !POSIX || SUNOS4 || UTekV || sysV88 */ #if defined(SUNOS4) && __GNUC__ == 2 /* * Somehow these are missing */ extern int ioctl __P((int, int, ...)); extern int readlink __P((const char *, char *, size_t)); extern void setgrent __P((void)); extern void endgrent __P((void)); # ifdef REMOTEHOST # ifndef _SOCKLEN_T /* Avoid Solaris 2.7 bogosity. */ struct sockaddr; extern int getpeername __P((int, struct sockaddr *, int *)); # endif /* _SOCKLEN_T */ # endif /* REMOTEHOST */ #endif /* SUNOS4 && __GNUC__ == 2 */ #if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4) # if defined(__alpha) && defined(__osf__) && DECOSF1 < 200 extern void bcopy __P((const void *, void *, size_t)); # define memmove(a, b, c) (bcopy((char *) (b), (char *) (a), (int) (c)), a) # endif /* __alpha && __osf__ && DECOSF1 < 200 */ #endif /* (BSD && !BSD4_4) || SUNOS4 */ #if !defined(hpux) && !defined(COHERENT) && ((SYSVREL < 4) || defined(_SEQUENT_)) && !defined(BSD4_4) && !defined(memmove) # define NEEDmemmove #endif /* !hpux && !COHERENT && (SYSVREL < 4 || _SEQUENT_) && !BSD4_4 && !memmove */ #if defined(UTek) || defined(pyr) # define NEEDmemset #else /* !UTek && !pyr */ # ifdef SUNOS4 # include /* memset should be declared in but isn't */ # endif /* SUNOS4 */ #endif /* UTek || pyr */ #if SYSVREL == 4 # ifdef REMOTEHOST /* Irix6 defines getpeername(int, void *, int *) which conflicts with the definition below. */ # if !defined(__sgi) && !defined(_OSD_POSIX) && !defined(__MVS__) # ifndef _SOCKLEN_T /* Avoid Solaris 2.7 bogosity. */ struct sockaddr; extern int getpeername __P((int, struct sockaddr *, int *)); # endif /* _SOCKLEN_T */ # endif /* !__sgi && !_OSD_POSIX && !__MVS__ */ # endif /* REMOTEHOST */ # ifndef BSDTIMES extern int getrlimit __P((int, struct rlimit *)); extern int setrlimit __P((int, const struct rlimit *)); # endif /* !BSDTIMES */ # if !defined(IRIS4D) && !defined(SOLARIS2) extern int wait3(); /* I think some bizarre systems still need this */ # endif /* !IRIS4D && !SOLARIS2 */ # if defined(SOLARIS2) # undef NEEDstrerror extern char *strerror __P((int)); # endif /* SOLARIS2 */ #endif /* SYSVREL == 4 */ #if defined(__alpha) && defined(__osf__) && DECOSF1 < 200 /* These are ok for 1.3, but conflict with the header files for 2.0 */ extern int gethostname __P((char *, int)); extern char *sbrk __P((ssize_t)); extern int ioctl __P((int, unsigned long, char *)); extern pid_t vfork __P((void)); extern int killpg __P((pid_t, int)); #endif /* __osf__ && __alpha && DECOSF1 < 200 */ #endif /* _h_tc_os */