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perl.h
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perl.h
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/* perl.h
*
* Copyright (c) 1987-2002, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
#ifndef H_PERL
#define H_PERL 1
#ifdef PERL_FOR_X2P
/*
* This file is being used for x2p stuff.
* Above symbol is defined via -D in 'x2p/Makefile.SH'
* Decouple x2p stuff from some of perls more extreme eccentricities.
*/
#undef MULTIPLICITY
#undef USE_STDIO
#define USE_STDIO
#endif /* PERL_FOR_X2P */
#if defined(DGUX)
#include <sys/fcntl.h>
#endif
#ifdef VOIDUSED
# undef VOIDUSED
#endif
#define VOIDUSED 1
#ifdef PERL_MICRO
# include "uconfig.h"
#else
# include "config.h"
#endif
#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
#endif
/* XXX This next guard can disappear if the sources are revised
to use USE_5005THREADS throughout. -- A.D 1/6/2000
*/
#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
#endif
/* See L<perlguts/"The Perl API"> for detailed notes on
* PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
/* Note that from here --> to <-- the same logic is
* repeated in makedef.pl, so be certain to update
* both places when editing. */
#ifdef PERL_IMPLICIT_SYS
/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
so use slab allocator to avoid lots of MUTEX overhead
*/
# ifndef PL_OP_SLAB_ALLOC
# define PL_OP_SLAB_ALLOC
# endif
#endif
#ifdef USE_ITHREADS
# if !defined(MULTIPLICITY)
# define MULTIPLICITY
# endif
#endif
#ifdef USE_5005THREADS
# ifndef PERL_IMPLICIT_CONTEXT
# define PERL_IMPLICIT_CONTEXT
# endif
#endif
#if defined(MULTIPLICITY)
# ifndef PERL_IMPLICIT_CONTEXT
# define PERL_IMPLICIT_CONTEXT
# endif
#endif
/* undef WIN32 when building on Cygwin (for libwin32) - gph */
#ifdef __CYGWIN__
# undef WIN32
# undef _WIN32
#endif
/* Use the reentrant APIs like localtime_r and getpwent_r */
/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
# define USE_REENTRANT_API
#endif
/* <--- here ends the logic shared by perl.h and makedef.pl */
#ifdef PERL_IMPLICIT_CONTEXT
# ifdef USE_5005THREADS
struct perl_thread;
# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
# define aTHX thr
# define dTHR dNOOP /* only backward compatibility */
# define dTHXa(a) pTHX = (struct perl_thread*)a
# else
# ifndef MULTIPLICITY
# define MULTIPLICITY
# endif
# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
# define aTHX my_perl
# define dTHXa(a) pTHX = (PerlInterpreter*)a
# endif
# define dTHX pTHX = PERL_GET_THX
# define pTHX_ pTHX,
# define aTHX_ aTHX,
# define pTHX_1 2
# define pTHX_2 3
# define pTHX_3 4
# define pTHX_4 5
#endif
#define STATIC static
#define CPERLscope(x) x
#define CPERLarg void
#define CPERLarg_
#define _CPERLarg
#define PERL_OBJECT_THIS
#define _PERL_OBJECT_THIS
#define PERL_OBJECT_THIS_
#define CALL_FPTR(fptr) (*fptr)
#define CALLRUNOPS CALL_FPTR(PL_runops)
#define CALLREGCOMP CALL_FPTR(PL_regcompp)
#define CALLREGEXEC CALL_FPTR(PL_regexecp)
#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
#define CALLREGFREE CALL_FPTR(PL_regfree)
#ifdef PERL_FLEXIBLE_EXCEPTIONS
# define CALLPROTECT CALL_FPTR(PL_protect)
#endif
#ifdef HASATTRIBUTE
# if defined(__GNUC__) && defined(__cplusplus)
# define PERL_UNUSED_DECL
# else
# define PERL_UNUSED_DECL __attribute__((unused))
# endif
#else
# define PERL_UNUSED_DECL
#endif
/* gcc -Wall:
* for silencing unused variables that are actually used most of the time,
* but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
*/
#define PERL_UNUSED_VAR(var) if (0) var = var
#define NOOP (void)0
#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
#ifndef pTHX
# define pTHX void
# define pTHX_
# define aTHX
# define aTHX_
# define dTHXa(a) dNOOP
# define dTHX dNOOP
# define pTHX_1 1
# define pTHX_2 2
# define pTHX_3 3
# define pTHX_4 4
#endif
/* these are only defined for compatibility; should not be used internally */
#if !defined(pTHXo) && !defined(PERL_CORE)
# define pTHXo pTHX
# define pTHXo_ pTHX_
# define aTHXo aTHX
# define aTHXo_ aTHX_
# define dTHXo dTHX
# define dTHXoa(x) dTHXa(x)
#endif
#ifndef pTHXx
# define pTHXx register PerlInterpreter *my_perl
# define pTHXx_ pTHXx,
# define aTHXx my_perl
# define aTHXx_ aTHXx,
# define dTHXx dTHX
#endif
/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
* PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
* dTHXs is therefore needed for all functions using PerlIO_foo(). */
#ifdef PERL_IMPLICIT_SYS
# define dTHXs dTHX
#else
# define dTHXs dNOOP
#endif
#undef START_EXTERN_C
#undef END_EXTERN_C
#undef EXTERN_C
#ifdef __cplusplus
# define START_EXTERN_C extern "C" {
# define END_EXTERN_C }
# define EXTERN_C extern "C"
#else
# define START_EXTERN_C
# define END_EXTERN_C
# define EXTERN_C extern
#endif
#ifdef OP_IN_REGISTER
# ifdef __GNUC__
# define stringify_immed(s) #s
# define stringify(s) stringify_immed(s)
register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
# endif
#endif
/*
* STMT_START { statements; } STMT_END;
* can be used as a single statement, as in
* if (x) STMT_START { ... } STMT_END; else ...
*
* Trying to select a version that gives no warnings...
*/
#if !(defined(STMT_START) && defined(STMT_END))
# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
# define STMT_END )
# else
/* Now which other defined()s do we need here ??? */
# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
# define STMT_START if (1)
# define STMT_END else (void)0
# else
# define STMT_START do
# define STMT_END while (0)
# endif
# endif
#endif
#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
#define WITH_THR(s) WITH_THX(s)
/*
* SOFT_CAST can be used for args to prototyped functions to retain some
* type checking; it only casts if the compiler does not know prototypes.
*/
#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
#define SOFT_CAST(type)
#else
#define SOFT_CAST(type) (type)
#endif
#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
# define BYTEORDER 0x1234
#endif
/* Overall memory policy? */
#ifndef CONSERVATIVE
# define LIBERAL 1
#endif
#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
#define ASCIIish
#else
#undef ASCIIish
#endif
/*
* The following contortions are brought to you on behalf of all the
* standards, semi-standards, de facto standards, not-so-de-facto standards
* of the world, as well as all the other botches anyone ever thought of.
* The basic theory is that if we work hard enough here, the rest of the
* code can be a lot prettier. Well, so much for theory. Sorry, Henry...
*/
/* define this once if either system, instead of cluttering up the src */
#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
#define DOSISH 1
#endif
#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
# define STANDARD_C 1
#endif
#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
# define DONT_DECLARE_STD 1
#endif
#if defined(HASVOLATILE) || defined(STANDARD_C)
# ifdef __cplusplus
# define VOL /* to temporarily suppress warnings */
# else
# define VOL volatile
# endif
#else
# define VOL
#endif
#define TAINT (PL_tainted = TRUE)
#define TAINT_NOT (PL_tainted = FALSE)
#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
#define TAINT_ENV() if (PL_tainting) { taint_env(); }
#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
/* XXX All process group stuff is handled in pp_sys.c. Should these
defines move there? If so, I could simplify this a lot. --AD 9/96.
*/
/* Process group stuff changed from traditional BSD to POSIX.
perlfunc.pod documents the traditional BSD-style syntax, so we'll
try to preserve that, if possible.
*/
#ifdef HAS_SETPGID
# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
#else
# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
# else
# ifdef HAS_SETPGRP2 /* DG/UX */
# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
# endif
# endif
#endif
#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
# define HAS_SETPGRP /* Well, effectively it does . . . */
#endif
/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
our life easier :-) so we'll try it.
*/
#ifdef HAS_GETPGID
# define BSD_GETPGRP(pid) getpgid((pid))
#else
# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
# define BSD_GETPGRP(pid) getpgrp((pid))
# else
# ifdef HAS_GETPGRP2 /* DG/UX */
# define BSD_GETPGRP(pid) getpgrp2((pid))
# endif
# endif
#endif
#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
# define HAS_GETPGRP /* Well, effectively it does . . . */
#endif
/* These are not exact synonyms, since setpgrp() and getpgrp() may
have different behaviors, but perl.h used to define USE_BSDPGRP
(prior to 5.003_05) so some extension might depend on it.
*/
#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
# ifndef USE_BSDPGRP
# define USE_BSDPGRP
# endif
#endif
/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
pthread.h must be included before all other header files.
*/
#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
&& defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
# include <pthread.h>
#endif
#ifndef _TYPES_ /* If types.h defines this it's easy. */
# ifndef major /* Does everyone's types.h define this? */
# include <sys/types.h>
# endif
#endif
#ifdef __cplusplus
# ifndef I_STDARG
# define I_STDARG 1
# endif
#endif
#ifdef I_STDARG
# include <stdarg.h>
#else
# ifdef I_VARARGS
# include <varargs.h>
# endif
#endif
#ifdef USE_NEXT_CTYPE
#if NX_CURRENT_COMPILER_RELEASE >= 500
# include <bsd/ctypes.h>
#else
# if NX_CURRENT_COMPILER_RELEASE >= 400
# include <objc/NXCType.h>
# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
# include <appkit/NXCType.h>
# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
#else /* !USE_NEXT_CTYPE */
#include <ctype.h>
#endif /* USE_NEXT_CTYPE */
#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
#undef METHOD
#endif
#ifdef PERL_MICRO
# define NO_LOCALE
#endif
#ifdef I_LOCALE
# include <locale.h>
#endif
#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
# define USE_LOCALE
# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
&& defined(HAS_STRXFRM)
# define USE_LOCALE_COLLATE
# endif
# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
# define USE_LOCALE_CTYPE
# endif
# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
# define USE_LOCALE_NUMERIC
# endif
#endif /* !NO_LOCALE && HAS_SETLOCALE */
#include <setjmp.h>
#ifdef I_SYS_PARAM
# ifdef PARAM_NEEDS_TYPES
# include <sys/types.h>
# endif
# include <sys/param.h>
#endif
/* Use all the "standard" definitions? */
#if defined(STANDARD_C) && defined(I_STDLIB)
# include <stdlib.h>
#endif
/* If this causes problems, set i_unistd=undef in the hint file. */
#ifdef I_UNISTD
# include <unistd.h>
#endif
#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
int syscall(int, ...);
#endif
#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
int usleep(unsigned int);
#endif
#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
# define MYSWAP
#endif
/* Cannot include embed.h here on Win32 as win32.h has not
yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
*/
#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
# include "embed.h"
#endif
#define MEM_SIZE Size_t
#if defined(STANDARD_C) && defined(I_STDDEF)
# include <stddef.h>
# define STRUCT_OFFSET(s,m) offsetof(s,m)
#else
# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
#endif
#if defined(I_STRING) || defined(__cplusplus)
# include <string.h>
#else
# include <strings.h>
#endif
/* This comes after <stdlib.h> so we don't try to change the standard
* library prototypes; we'll use our own in proto.h instead. */
#ifdef MYMALLOC
# ifdef PERL_POLLUTE_MALLOC
# ifndef PERL_EXTMALLOC_DEF
# define Perl_malloc malloc
# define Perl_calloc calloc
# define Perl_realloc realloc
# define Perl_mfree free
# endif
# else
# define EMBEDMYMALLOC /* for compatibility */
# endif
START_EXTERN_C
Malloc_t Perl_malloc (MEM_SIZE nbytes);
Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
/* 'mfree' rather than 'free', since there is already a 'perl_free'
* that causes clashes with case-insensitive linkers */
Free_t Perl_mfree (Malloc_t where);
END_EXTERN_C
typedef struct perl_mstats perl_mstats_t;
# define safemalloc Perl_malloc
# define safecalloc Perl_calloc
# define saferealloc Perl_realloc
# define safefree Perl_mfree
#else /* MYMALLOC */
# define safemalloc safesysmalloc
# define safecalloc safesyscalloc
# define saferealloc safesysrealloc
# define safefree safesysfree
#endif /* MYMALLOC */
#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
#define strchr index
#define strrchr rindex
#endif
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef HAS_MEMCPY
# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
# ifndef memcpy
extern char * memcpy (char*, char*, int);
# endif
# endif
#else
# ifndef memcpy
# ifdef HAS_BCOPY
# define memcpy(d,s,l) bcopy(s,d,l)
# else
# define memcpy(d,s,l) my_bcopy(s,d,l)
# endif
# endif
#endif /* HAS_MEMCPY */
#ifdef HAS_MEMSET
# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
# ifndef memset
extern char *memset (char*, int, int);
# endif
# endif
#else
# undef memset
# define memset(d,c,l) my_memset(d,c,l)
#endif /* HAS_MEMSET */
#if !defined(HAS_MEMMOVE) && !defined(memmove)
# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
# define memmove(d,s,l) bcopy(s,d,l)
# else
# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
# define memmove(d,s,l) memcpy(d,s,l)
# else
# define memmove(d,s,l) my_bcopy(s,d,l)
# endif
# endif
#endif
#if defined(mips) && defined(ultrix) && !defined(__STDC__)
# undef HAS_MEMCMP
#endif
#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
# ifndef memcmp
extern int memcmp (char*, char*, int);
# endif
# endif
# ifdef BUGGY_MSC
# pragma function(memcmp)
# endif
#else
# ifndef memcmp
# define memcmp my_memcmp
# endif
#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
#ifndef memzero
# ifdef HAS_MEMSET
# define memzero(d,l) memset(d,0,l)
# else
# ifdef HAS_BZERO
# define memzero(d,l) bzero(d,l)
# else
# define memzero(d,l) my_bzero(d,l)
# endif
# endif
#endif
#ifndef memchr
# ifndef HAS_MEMCHR
# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
# endif
#endif
#ifndef HAS_BCMP
# ifndef bcmp
# define bcmp(s1,s2,l) memcmp(s1,s2,l)
# endif
#endif /* !HAS_BCMP */
#ifdef I_NETINET_IN
# include <netinet/in.h>
#endif
#ifdef I_ARPA_INET
# include <arpa/inet.h>
#endif
#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
* (the neo-BSD seem to do this). */
# undef SF_APPEND
#endif
#ifdef I_SYS_STAT
# include <sys/stat.h>
#endif
/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
like UTekV) are broken, sometimes giving false positives. Undefine
them here and let the code below set them to proper values.
The ghs macro stands for GreenHills Software C-1.8.5 which
is the C compiler for sysV88 and the various derivatives.
This header file bug is corrected in gcc-2.5.8 and later versions.
--Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
#if defined(uts) || (defined(m88k) && defined(ghs))
# undef S_ISDIR
# undef S_ISCHR
# undef S_ISBLK
# undef S_ISREG
# undef S_ISFIFO
# undef S_ISLNK
#endif
#ifdef I_TIME
# include <time.h>
#endif
#ifdef I_SYS_TIME
# ifdef I_SYS_TIME_KERNEL
# define KERNEL
# endif
# include <sys/time.h>
# ifdef I_SYS_TIME_KERNEL
# undef KERNEL
# endif
#endif
#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
# include <sys/times.h>
#endif
#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
# undef HAS_STRERROR
#endif
#include <errno.h>
#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
#endif
/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
# define _SOCKADDR_LEN
#endif
#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
# include <sys/socket.h>
# if defined(USE_SOCKS) && defined(I_SOCKS)
# if !defined(INCLUDE_PROTOTYPES)
# define INCLUDE_PROTOTYPES /* for <socks.h> */
# define PERL_SOCKS_NEED_PROTOTYPES
# endif
# ifdef USE_5005THREADS
# define PERL_USE_THREADS /* store our value */
# undef USE_5005THREADS
# endif
# include <socks.h>
# ifdef USE_5005THREADS
# undef USE_5005THREADS /* socks.h does this on its own */
# endif
# ifdef PERL_USE_THREADS
# define USE_5005THREADS /* restore our value */
# undef PERL_USE_THREADS
# endif
# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
# undef INCLUDE_PROTOTYPES
# undef PERL_SOCKS_NEED_PROTOTYPES
# endif
# endif
# ifdef I_NETDB
# ifdef NETWARE
# include<stdio.h>
# endif
# include <netdb.h>
# endif
# ifndef ENOTSOCK
# ifdef I_NET_ERRNO
# include <net/errno.h>
# endif
# endif
#endif
/* sockatmark() is so new (2001) that many places might have it hidden
* behind some -D_BLAH_BLAH_SOURCE guard. */
#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
int sockatmark(int);
#endif
#ifdef SETERRNO
# undef SETERRNO /* SOCKS might have defined this */
#endif
#ifdef VMS
# define SETERRNO(errcode,vmserrcode) \
STMT_START { \
set_errno(errcode); \
set_vaxc_errno(vmserrcode); \
} STMT_END
#else
# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
#endif
#ifdef USE_5005THREADS
# define ERRSV (thr->errsv)
# define DEFSV THREADSV(0)
# define SAVE_DEFSV save_threadsv(0)
#else
# define ERRSV GvSV(PL_errgv)
# define DEFSV GvSV(PL_defgv)
# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
#endif /* USE_5005THREADS */
#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
#ifndef errno
extern int errno; /* ANSI allows errno to be an lvalue expr.
* For example in multithreaded environments
* something like this might happen:
* extern int *_errno(void);
* #define errno (*_errno()) */
#endif
#ifdef HAS_STRERROR
# ifdef VMS
char *strerror (int,...);
# else
#ifndef DONT_DECLARE_STD
char *strerror (int);
#endif
# endif
# ifndef Strerror
# define Strerror strerror
# endif
#else
# ifdef HAS_SYS_ERRLIST
extern int sys_nerr;
extern char *sys_errlist[];
# ifndef Strerror
# define Strerror(e) \
((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
# endif
# endif
#endif
#ifdef I_SYS_IOCTL
# ifndef _IOCTL_
# include <sys/ioctl.h>
# endif
#endif
#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
# ifdef HAS_SOCKETPAIR
# undef HAS_SOCKETPAIR
# endif
# ifdef I_NDBM
# undef I_NDBM
# endif
#endif
#ifndef HAS_SOCKETPAIR
# ifdef HAS_SOCKET
# define socketpair Perl_my_socketpair
# endif
#endif
#if INTSIZE == 2
# define htoni htons
# define ntohi ntohs
#else
# define htoni htonl
# define ntohi ntohl
#endif
/* Configure already sets Direntry_t */
#if defined(I_DIRENT)
# include <dirent.h>
/* NeXT needs dirent + sys/dir.h */
# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
# include <sys/dir.h>
# endif
#else
# ifdef I_SYS_NDIR
# include <sys/ndir.h>
# else
# ifdef I_SYS_DIR
# ifdef hp9000s500
# include <ndir.h> /* may be wrong in the future */
# else
# include <sys/dir.h>
# endif
# endif
# endif
#endif
#ifdef PERL_MICRO
# ifndef DIR
# define DIR void
# endif
#endif
#ifdef FPUTS_BOTCH
/* work around botch in SunOS 4.0.1 and 4.0.2 */
# ifndef fputs
# define fputs(sv,fp) fprintf(fp,"%s",sv)
# endif
#endif
/*
* The following gobbledygook brought to you on behalf of __STDC__.
* (I could just use #ifndef __STDC__, but this is more bulletproof
* in the face of half-implementations.)
*/
#if defined(I_SYSMODE) && !defined(PERL_MICRO)
#include <sys/mode.h>
#endif
#ifndef S_IFMT
# ifdef _S_IFMT
# define S_IFMT _S_IFMT
# else
# define S_IFMT 0170000
# endif
#endif
#ifndef S_ISDIR
# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
#endif
#ifndef S_ISCHR
# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
#endif
#ifndef S_ISBLK
# ifdef S_IFBLK
# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
# else
# define S_ISBLK(m) (0)
# endif
#endif
#ifndef S_ISREG
# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
#endif
#ifndef S_ISFIFO
# ifdef S_IFIFO
# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
# else
# define S_ISFIFO(m) (0)
# endif
#endif
#ifndef S_ISLNK
# ifdef _S_ISLNK
# define S_ISLNK(m) _S_ISLNK(m)
# else
# ifdef _S_IFLNK
# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
# else
# ifdef S_IFLNK
# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
# else
# define S_ISLNK(m) (0)
# endif
# endif
# endif
#endif
#ifndef S_ISSOCK
# ifdef _S_ISSOCK
# define S_ISSOCK(m) _S_ISSOCK(m)
# else
# ifdef _S_IFSOCK
# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
# else
# ifdef S_IFSOCK
# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
# else
# define S_ISSOCK(m) (0)
# endif
# endif
# endif
#endif
#ifndef S_IRUSR
# ifdef S_IREAD
# define S_IRUSR S_IREAD
# define S_IWUSR S_IWRITE
# define S_IXUSR S_IEXEC
# else
# define S_IRUSR 0400
# define S_IWUSR 0200
# define S_IXUSR 0100
# endif
#endif
#ifndef S_IRGRP
# ifdef S_IRUSR
# define S_IRGRP (S_IRUSR>>3)
# define S_IWGRP (S_IWUSR>>3)
# define S_IXGRP (S_IXUSR>>3)
# else
# define S_IRGRP 0040
# define S_IWGRP 0020
# define S_IXGRP 0010
# endif
#endif
#ifndef S_IROTH
# ifdef S_IRUSR
# define S_IROTH (S_IRUSR>>6)
# define S_IWOTH (S_IWUSR>>6)
# define S_IXOTH (S_IXUSR>>6)
# else
# define S_IROTH 0040
# define S_IWOTH 0020
# define S_IXOTH 0010
# endif
#endif
#ifndef S_ISUID
# define S_ISUID 04000
#endif
#ifndef S_ISGID
# define S_ISGID 02000
#endif
#ifndef S_IRWXU
# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
#endif
#ifndef S_IRWXG
# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
#endif
#ifndef S_IRWXO
# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
#endif
/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
* which would get included through <sys/file.h >, but that is 3000
* lines in the future. --jhi */
#if !defined(S_IREAD) && !defined(__BEOS__)
# define S_IREAD S_IRUSR
#endif
#if !defined(S_IWRITE) && !defined(__BEOS__)
# define S_IWRITE S_IWUSR
#endif
#ifndef S_IEXEC
# define S_IEXEC S_IXUSR
#endif
#ifdef ff_next
# undef ff_next
#endif
#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
# define SLOPPYDIVIDE
#endif
#ifdef UV