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perl.h
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perl.h
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/* perl.h
*
* Copyright (c) 1987-1994, 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
#define OVERLOAD
#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 EMBED
#undef NO_EMBED
#define NO_EMBED
#undef MULTIPLICITY
#undef USE_STDIO
#define USE_STDIO
#endif /* PERL_FOR_X2P */
#define VOIDUSED 1
#include "config.h"
#include "embed.h"
/*
* 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__)
# 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
/*
* 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
# define BYTEORDER 0x1234
#endif
/* Overall memory policy? */
#ifndef CONSERVATIVE
# define LIBERAL 1
#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)
#define DOSISH 1
#endif
#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
# define STANDARD_C 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 (tainted = TRUE)
#define TAINT_NOT (tainted = FALSE)
#define TAINT_IF(c) if (c) { tainted = TRUE; }
#define TAINT_ENV() if (tainting) { taint_env(); }
#define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, 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
#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
#include "perlio.h"
#ifdef USE_NEXT_CTYPE
#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 */
#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 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
/* 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 HIDEMYMALLOC
# define malloc Mymalloc
# define calloc Mycalloc
# define realloc Myremalloc
# define free Myfree
# endif
# ifdef EMBEDMYMALLOC
# define malloc Perl_malloc
# define calloc Perl_calloc
# define realloc Perl_realloc
# define free Perl_free
# endif
# undef safemalloc
# undef safecalloc
# undef saferealloc
# undef safefree
# define safemalloc malloc
# define safecalloc calloc
# define saferealloc realloc
# define safefree free
#endif /* MYMALLOC */
#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
#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
# define memzero(d,l) memset(d,0,l)
#else
# ifndef memzero
# ifdef HAS_BZERO
# define memzero(d,l) bzero(d,l)
# else
# define memzero(d,l) my_bzero(d,l)
# endif
# endif
#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 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_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
#ifndef HAS_MKFIFO
# ifndef mkfifo
# define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
# endif
#endif /* !HAS_MKFIFO */
#include <errno.h>
#ifdef HAS_SOCKET
# ifdef I_NET_ERRNO
# include <net/errno.h>
# endif
#endif
#ifndef VMS
# define FIXSTATUS(sts) (U_L((sts) & 0xffff))
# define SHIFTSTATUS(sts) ((sts) >> 8)
# define SETERRNO(errcode,vmserrcode) errno = (errcode)
#else
# define FIXSTATUS(sts) (U_L(sts))
# define SHIFTSTATUS(sts) (sts)
# define SETERRNO(errcode,vmserrcode) STMT_START {set_errno(errcode); set_vaxc_errno(vmserrcode);} STMT_END
#endif
#ifndef errno
extern int errno; /* ANSI allows errno to be an lvalue expr */
#endif
#ifdef HAS_STRERROR
# ifdef VMS
char *strerror _((int,...));
# else
char *strerror _((int));
# 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
#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>
# if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
# 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 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.)
*/
#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
# define S_IRGRP (S_IRUSR>>3)
# define S_IWGRP (S_IWUSR>>3)
# define S_IXGRP (S_IXUSR>>3)
# define S_IROTH (S_IRUSR>>6)
# define S_IWOTH (S_IWUSR>>6)
# define S_IXOTH (S_IXUSR>>6)
#endif
#ifndef S_ISUID
# define S_ISUID 04000
#endif
#ifndef S_ISGID
# define S_ISGID 02000
#endif
#ifdef ff_next
# undef ff_next
#endif
#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
# define SLOPPYDIVIDE
#endif
#if defined(cray) || defined(convex) || BYTEORDER > 0xffff
# define HAS_QUAD
#endif
#ifdef UV
#undef UV
#endif
/* XXX QUAD stuff is not currently supported on most systems.
Specifically, perl internals don't support long long. Among
the many problems is that some compilers support long long,
but the underlying library functions (such as sprintf) don't.
Some things do work (such as quad pack/unpack on convex);
also some systems use long long for the fpos_t typedef. That
seems to work too.
The IV type is supposed to be long enough to hold any integral
value or a pointer.
--Andy Dougherty August 1996
*/
#ifdef HAS_QUAD
# ifdef cray
# define Quad_t int
# else
# if defined(convex)
# define Quad_t long long
# else
# define Quad_t long
# endif
# endif
typedef Quad_t IV;
typedef unsigned Quad_t UV;
# define IV_MAX PERL_QUAD_MAX
# define IV_MIN PERL_QUAD_MIN
# define UV_MAX PERL_UQUAD_MAX
# define UV_MIN PERL_UQUAD_MIN
#else
typedef long IV;
typedef unsigned long UV;
# define IV_MAX PERL_LONG_MAX
# define IV_MIN PERL_LONG_MIN
# define UV_MAX PERL_ULONG_MAX
# define UV_MIN PERL_ULONG_MIN
#endif
/* Previously these definitions used hardcoded figures.
* It is hoped these formula are more portable, although
* no data one way or another is presently known to me.
* The "PERL_" names are used because these calculated constants
* do not meet the ANSI requirements for LONG_MAX, etc., which
* need to be constants acceptable to #if - kja
* define PERL_LONG_MAX 2147483647L
* define PERL_LONG_MIN (-LONG_MAX - 1)
* define PERL ULONG_MAX 4294967295L
*/
#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
# include <limits.h>
#else
#ifdef I_VALUES
# include <values.h>
#endif
#endif
/*
* Try to figure out max and min values for the integral types. THE CORRECT
* SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
* following hacks are used if neither limits.h or values.h provide them:
* U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
* for types < int: (unsigned TYPE)~(unsigned)0
* The argument to ~ must be unsigned so that later signed->unsigned
* conversion can't modify the value's bit pattern (e.g. -0 -> +0),
* and it must not be smaller than int because ~ does integral promotion.
* <type>_MAX: (<type>) (U<type>_MAX >> 1)
* <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
* The latter is a hack which happens to work on some machines but
* does *not* catch any random system, or things like integer types
* with NaN if that is possible.
*
* All of the types are explicitly cast to prevent accidental loss of
* numeric range, and in the hope that they will be less likely to confuse
* over-eager optimizers.
*
*/
#define PERL_UCHAR_MIN ((unsigned char)0)
#ifdef UCHAR_MAX
# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
#else
# ifdef MAXUCHAR
# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
# else
# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
# endif
#endif
/*
* CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
* ambiguous. It may be equivalent to (signed char) or (unsigned char)
* depending on local options. Until Configure detects this (or at least
* detects whether the "signed" keyword is available) the CHAR ranges
* will not be included. UCHAR functions normally.
* - kja
*/
#define PERL_USHORT_MIN ((unsigned short)0)
#ifdef USHORT_MAX
# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
#else
# ifdef MAXUSHORT
# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
# else
# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
# endif
#endif
#ifdef SHORT_MAX
# define PERL_SHORT_MAX ((short)SHORT_MAX)
#else
# ifdef MAXSHORT /* Often used in <values.h> */
# define PERL_SHORT_MAX ((short)MAXSHORT)
# else
# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
# endif
#endif
#ifdef SHORT_MIN
# define PERL_SHORT_MIN ((short)SHORT_MIN)
#else
# ifdef MINSHORT
# define PERL_SHORT_MIN ((short)MINSHORT)
# else
# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
# endif
#endif
#ifdef UINT_MAX
# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
#else
# ifdef MAXUINT
# define PERL_UINT_MAX ((unsigned int)MAXUINT)
# else
# define PERL_UINT_MAX (~(unsigned int)0)
# endif
#endif
#define PERL_UINT_MIN ((unsigned int)0)
#ifdef INT_MAX
# define PERL_INT_MAX ((int)INT_MAX)
#else
# ifdef MAXINT /* Often used in <values.h> */
# define PERL_INT_MAX ((int)MAXINT)
# else
# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
# endif
#endif
#ifdef INT_MIN
# define PERL_INT_MIN ((int)INT_MIN)
#else
# ifdef MININT
# define PERL_INT_MIN ((int)MININT)
# else
# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
# endif
#endif
#ifdef ULONG_MAX
# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
#else
# ifdef MAXULONG
# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
# else
# define PERL_ULONG_MAX (~(unsigned long)0)
# endif
#endif
#define PERL_ULONG_MIN ((unsigned long)0L)
#ifdef LONG_MAX
# define PERL_LONG_MAX ((long)LONG_MAX)
#else
# ifdef MAXLONG /* Often used in <values.h> */
# define PERL_LONG_MAX ((long)MAXLONG)
# else
# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
# endif
#endif
#ifdef LONG_MIN
# define PERL_LONG_MIN ((long)LONG_MIN)
#else
# ifdef MINLONG
# define PERL_LONG_MIN ((long)MINLONG)
# else
# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
# endif
#endif
#ifdef HAS_QUAD
# ifdef UQUAD_MAX
# define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
# else
# define PERL_UQUAD_MAX (~(UV)0)
# endif
# define PERL_UQUAD_MIN ((UV)0)
# ifdef QUAD_MAX
# define PERL_QUAD_MAX ((IV)QUAD_MAX)
# else
# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
# endif
# ifdef QUAD_MIN
# define PERL_QUAD_MIN ((IV)QUAD_MIN)
# else
# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
# endif
#endif
typedef MEM_SIZE STRLEN;
typedef struct op OP;
typedef struct cop COP;
typedef struct unop UNOP;
typedef struct binop BINOP;
typedef struct listop LISTOP;
typedef struct logop LOGOP;
typedef struct condop CONDOP;
typedef struct pmop PMOP;
typedef struct svop SVOP;
typedef struct gvop GVOP;
typedef struct pvop PVOP;
typedef struct loop LOOP;
typedef struct Outrec Outrec;
typedef struct interpreter PerlInterpreter;
typedef struct ff FF;
typedef struct sv SV;
typedef struct av AV;
typedef struct hv HV;
typedef struct cv CV;
typedef struct regexp REGEXP;
typedef struct gp GP;
typedef struct gv GV;
typedef struct io IO;
typedef struct context CONTEXT;
typedef struct block BLOCK;
typedef struct magic MAGIC;
typedef struct xrv XRV;
typedef struct xpv XPV;
typedef struct xpviv XPVIV;
typedef struct xpvuv XPVUV;
typedef struct xpvnv XPVNV;
typedef struct xpvmg XPVMG;
typedef struct xpvlv XPVLV;
typedef struct xpvav XPVAV;
typedef struct xpvhv XPVHV;
typedef struct xpvgv XPVGV;
typedef struct xpvcv XPVCV;
typedef struct xpvbm XPVBM;
typedef struct xpvfm XPVFM;
typedef struct xpvio XPVIO;
typedef struct mgvtbl MGVTBL;
typedef union any ANY;
#include "handy.h"
typedef I32 (*filter_t) _((int, SV *, int));
#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
#define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
#define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
#ifdef DOSISH
# if defined(OS2)
# include "os2ish.h"
# else
# include "dosish.h"
# endif
#else
# if defined(VMS)
# include "vmsish.h"
# else
# if defined(PLAN9)
# include "./plan9/plan9ish.h"
# else
# include "unixish.h"
# endif
# endif
#endif
/* Some unistd.h's give a prototype for pause() even though
HAS_PAUSE ends up undefined. This causes the #define
below to be rejected by the compmiler. Sigh.
*/
#ifdef HAS_PAUSE
#define Pause pause
#else
#define Pause() sleep((32767<<16)+32767)
#endif
#ifndef IOCPARM_LEN
# ifdef IOCPARM_MASK
/* on BSDish systes we're safe */
# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
# else
/* otherwise guess at what's safe */
# define IOCPARM_LEN(x) 256
# endif
#endif
union any {
void* any_ptr;
I32 any_i32;
IV any_iv;
long any_long;
void (*any_dptr) _((void*));
};
#include "regexp.h"
#include "sv.h"
#include "util.h"
#include "form.h"
#include "gv.h"
#include "cv.h"
#include "opcode.h"
#include "op.h"
#include "cop.h"
#include "av.h"
#include "hv.h"
#include "mg.h"
#include "scope.h"
/* work around some libPW problems */
#ifdef DOINIT
EXT char Error[1];
#endif
#if defined(iAPX286) || defined(M_I286) || defined(I80286)
# define I286
#endif
#if defined(htonl) && !defined(HAS_HTONL)
#define HAS_HTONL
#endif
#if defined(htons) && !defined(HAS_HTONS)
#define HAS_HTONS
#endif
#if defined(ntohl) && !defined(HAS_NTOHL)
#define HAS_NTOHL
#endif
#if defined(ntohs) && !defined(HAS_NTOHS)
#define HAS_NTOHS
#endif
#ifndef HAS_HTONL
#if (BYTEORDER & 0xffff) != 0x4321
#define HAS_HTONS
#define HAS_HTONL
#define HAS_NTOHS
#define HAS_NTOHL
#define MYSWAP
#define htons my_swap
#define htonl my_htonl
#define ntohs my_swap
#define ntohl my_ntohl
#endif
#else
#if (BYTEORDER & 0xffff) == 0x4321
#undef HAS_HTONS
#undef HAS_HTONL
#undef HAS_NTOHS
#undef HAS_NTOHL
#endif
#endif
/*
* Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
* -DWS
*/
#if BYTEORDER != 0x1234
# define HAS_VTOHL
# define HAS_VTOHS
# define HAS_HTOVL
# define HAS_HTOVS
# if BYTEORDER == 0x4321
# define vtohl(x) ((((x)&0xFF)<<24) \
+(((x)>>24)&0xFF) \
+(((x)&0x0000FF00)<<8) \
+(((x)&0x00FF0000)>>8) )
# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))