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Edit File: iperlsys.h

/*
 * iperlsys.h - Perl's interface to the system
 *
 * This file defines the system level functionality that perl needs.
 *
 * When using C, this definition is in the form of a set of macros that can be
 * #defined to the system-level function (or a wrapper provided elsewhere).
 *
 * GSAR 21-JUN-98
 */

#ifndef __Inc__IPerl___
#define __Inc__IPerl___

/*
 *      PerlXXX_YYY explained - DickH and DougL @ ActiveState.com
 *
 * XXX := functional group
 * YYY := stdlib/OS function name
 *
 * Continuing with the theme of PerlIO, all OS functionality was encapsulated
 * into one of several interfaces.
 *
 * PerlIO - stdio
 * PerlLIO - low level I/O
 * PerlMem - malloc, realloc, free
 * PerlDir - directory related
 * PerlEnv - process environment handling
 * PerlProc - process control
 * PerlSock - socket functions
 *
 *
 * The features of this are:
 * 1. All OS dependant code is in the Perl Host and not the Perl Core.
 *    (At least this is the holy grail goal of this work)
 * 2. The Perl Host (see perl.h for description) can provide a new and
 *    improved interface to OS functionality if required.
 * 3. Developers can easily hook into the OS calls for instrumentation
 *    or diagnostic purposes.
 *
 * What was changed to do this:
 * 1. All calls to OS functions were replaced with PerlXXX_YYY
 *
 */

/*
    Interface for perl stdio functions, or whatever we are Configure-d
    to use.
*/
#include "perlio.h"

typedef Signal_t (*Sighandler1_t) (int);
typedef Signal_t (*Sighandler3_t) (int, Siginfo_t*, void*);

#ifndef Sighandler_t
#  ifdef PERL_USE_3ARG_SIGHANDLER
typedef Sighandler3_t Sighandler_t;
#  else
typedef Sighandler1_t Sighandler_t;
#  endif
#endif

#if defined(PERL_IMPLICIT_SYS)

/* IPerlStdIO           */
struct IPerlStdIO;
struct IPerlStdIOInfo;
typedef FILE*           (*LPStdin)(struct IPerlStdIO*);
typedef FILE*           (*LPStdout)(struct IPerlStdIO*);
typedef FILE*           (*LPStderr)(struct IPerlStdIO*);
typedef FILE*           (*LPOpen)(struct IPerlStdIO*, const char*,
                            const char*);
typedef int             (*LPClose)(struct IPerlStdIO*, FILE*);
typedef int             (*LPEof)(struct IPerlStdIO*, FILE*);
typedef int             (*LPError)(struct IPerlStdIO*, FILE*);
typedef void            (*LPClearerr)(struct IPerlStdIO*, FILE*);
typedef int             (*LPGetc)(struct IPerlStdIO*, FILE*);
typedef STDCHAR*        (*LPGetBase)(struct IPerlStdIO*, FILE*);
typedef int             (*LPGetBufsiz)(struct IPerlStdIO*, FILE*);
typedef int             (*LPGetCnt)(struct IPerlStdIO*, FILE*);
typedef STDCHAR*        (*LPGetPtr)(struct IPerlStdIO*, FILE*);
typedef char*           (*LPGets)(struct IPerlStdIO*, char*, int, FILE*);
typedef int             (*LPPutc)(struct IPerlStdIO*, int, FILE*);
typedef int             (*LPPuts)(struct IPerlStdIO*, const char *, FILE*);
typedef int             (*LPFlush)(struct IPerlStdIO*, FILE*);
typedef int             (*LPUngetc)(struct IPerlStdIO*, int,FILE*);
typedef int             (*LPFileno)(struct IPerlStdIO*, FILE*);
typedef FILE*           (*LPFdopen)(struct IPerlStdIO*, int, const char*);
typedef FILE*           (*LPReopen)(struct IPerlStdIO*, const char*,
                            const char*, FILE*);
typedef SSize_t         (*LPRead)(struct IPerlStdIO*, void*, Size_t, Size_t, FILE *);
typedef SSize_t         (*LPWrite)(struct IPerlStdIO*, const void*, Size_t, Size_t, FILE *);
typedef void            (*LPSetBuf)(struct IPerlStdIO*, FILE*, char*);
typedef int             (*LPSetVBuf)(struct IPerlStdIO*, FILE*, char*, int,
                            Size_t);
typedef void            (*LPSetCnt)(struct IPerlStdIO*, FILE*, int);

typedef void            (*LPSetPtr)(struct IPerlStdIO*, FILE*, STDCHAR*);

typedef void            (*LPSetlinebuf)(struct IPerlStdIO*, FILE*);
typedef int             (*LPPrintf)(struct IPerlStdIO*, FILE*, const char*,
                            ...);
typedef int             (*LPVprintf)(struct IPerlStdIO*, FILE*, const char*,
                            va_list);
typedef Off_t           (*LPTell)(struct IPerlStdIO*, FILE*);
typedef int             (*LPSeek)(struct IPerlStdIO*, FILE*, Off_t, int);
typedef void            (*LPRewind)(struct IPerlStdIO*, FILE*);
typedef FILE*           (*LPTmpfile)(struct IPerlStdIO*);
typedef int             (*LPGetpos)(struct IPerlStdIO*, FILE*, Fpos_t*);
typedef int             (*LPSetpos)(struct IPerlStdIO*, FILE*,
                            const Fpos_t*);
typedef void            (*LPInit)(struct IPerlStdIO*);
typedef void            (*LPInitOSExtras)(struct IPerlStdIO*);
typedef FILE*           (*LPFdupopen)(struct IPerlStdIO*, FILE*);

struct IPerlStdIO
{
    LPStdin             pStdin;
    LPStdout            pStdout;
    LPStderr            pStderr;
    LPOpen              pOpen;
    LPClose             pClose;
    LPEof               pEof;
    LPError             pError;
    LPClearerr          pClearerr;
    LPGetc              pGetc;
    LPGetBase           pGetBase;
    LPGetBufsiz         pGetBufsiz;
    LPGetCnt            pGetCnt;
    LPGetPtr            pGetPtr;
    LPGets              pGets;
    LPPutc              pPutc;
    LPPuts              pPuts;
    LPFlush             pFlush;
    LPUngetc            pUngetc;
    LPFileno            pFileno;
    LPFdopen            pFdopen;
    LPReopen            pReopen;
    LPRead              pRead;
    LPWrite             pWrite;
    LPSetBuf            pSetBuf;
    LPSetVBuf           pSetVBuf;
    LPSetCnt            pSetCnt;
    LPSetPtr            pSetPtr;
    LPSetlinebuf        pSetlinebuf;
    LPPrintf            pPrintf;
    LPVprintf           pVprintf;
    LPTell              pTell;
    LPSeek              pSeek;
    LPRewind            pRewind;
    LPTmpfile           pTmpfile;
    LPGetpos            pGetpos;
    LPSetpos            pSetpos;
    LPInit              pInit;
    LPInitOSExtras      pInitOSExtras;
    LPFdupopen          pFdupopen;
};

struct IPerlStdIOInfo
{
    unsigned long       nCount;     /* number of entries expected */
    struct IPerlStdIO   perlStdIOList;
};

/* These do not belong here ... NI-S, 14 Nov 2000 */

#  ifdef USE_STDIO_PTR
#    define PerlSIO_has_cntptr(f)       1
#    ifdef STDIO_PTR_LVALUE
#      ifdef  STDIO_CNT_LVALUE
#        define PerlSIO_canset_cnt(f)   1
#        ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
#          define PerlSIO_fast_gets(f)  1
#        endif
#      else /* STDIO_CNT_LVALUE */
#        define PerlSIO_canset_cnt(f)   0
#      endif
#    else /* STDIO_PTR_LVALUE */
#      ifdef STDIO_PTR_LVAL_SETS_CNT
#        define PerlSIO_fast_gets(f)    1
#      endif
#    endif
#  else  /* USE_STDIO_PTR */
#    define PerlSIO_has_cntptr(f)       0
#    define PerlSIO_canset_cnt(f)       0
#  endif /* USE_STDIO_PTR */

#  ifndef PerlSIO_fast_gets
#  define PerlSIO_fast_gets(f)          0
#  endif

#  ifdef FILE_base
#    define PerlSIO_has_base(f)         1
#  else
#    define PerlSIO_has_base(f)         0
#  endif

/* Now take FILE * via function table */

#  define PerlSIO_stdin                                                 \
        (*PL_StdIO->pStdin)(PL_StdIO)
#  define PerlSIO_stdout                                                \
        (*PL_StdIO->pStdout)(PL_StdIO)
#  define PerlSIO_stderr                                                \
        (*PL_StdIO->pStderr)(PL_StdIO)
#  define PerlSIO_fopen(x,y)                                            \
        (*PL_StdIO->pOpen)(PL_StdIO, (x),(y))
#  define PerlSIO_fclose(f)                                             \
        (*PL_StdIO->pClose)(PL_StdIO, (f))
#  define PerlSIO_feof(f)                                               \
        (*PL_StdIO->pEof)(PL_StdIO, (f))
#  define PerlSIO_ferror(f)                                             \
        (*PL_StdIO->pError)(PL_StdIO, (f))
#  define PerlSIO_clearerr(f)                                           \
        (*PL_StdIO->pClearerr)(PL_StdIO, (f))
#  define PerlSIO_fgetc(f)                                              \
        (*PL_StdIO->pGetc)(PL_StdIO, (f))
#  define PerlSIO_get_base(f)                                           \
        (*PL_StdIO->pGetBase)(PL_StdIO, (f))
#  define PerlSIO_get_bufsiz(f)                                         \
        (*PL_StdIO->pGetBufsiz)(PL_StdIO, (f))
#  define PerlSIO_get_cnt(f)                                            \
        (*PL_StdIO->pGetCnt)(PL_StdIO, (f))
#  define PerlSIO_get_ptr(f)                                            \
        (*PL_StdIO->pGetPtr)(PL_StdIO, (f))
#  define PerlSIO_fputc(c,f)                                            \
        (*PL_StdIO->pPutc)(PL_StdIO, (c),(f))
#  define PerlSIO_fputs(s,f)                                            \
        (*PL_StdIO->pPuts)(PL_StdIO, (s),(f))
#  define PerlSIO_fflush(f)                                             \
        (*PL_StdIO->pFlush)(PL_StdIO, (f))
#  define PerlSIO_fgets(s, n, f)                                        \
        (*PL_StdIO->pGets)(PL_StdIO, s, n, (f))
#  define PerlSIO_ungetc(c,f)                                           \
        (*PL_StdIO->pUngetc)(PL_StdIO, (c),(f))
#  define PerlSIO_fileno(f)                                             \
        (*PL_StdIO->pFileno)(PL_StdIO, (f))
#  define PerlSIO_fdopen(f, s)                                          \
        (*PL_StdIO->pFdopen)(PL_StdIO, (f),(s))
#  define PerlSIO_freopen(p, m, f)                                      \
        (*PL_StdIO->pReopen)(PL_StdIO, (p), (m), (f))
#  define PerlSIO_fread(buf,sz,count,f)                                 \
        (*PL_StdIO->pRead)(PL_StdIO, (buf), (sz), (count), (f))
#  define PerlSIO_fwrite(buf,sz,count,f)                                \
        (*PL_StdIO->pWrite)(PL_StdIO, (buf), (sz), (count), (f))
#  define PerlSIO_setbuf(f,b)                                           \
        (*PL_StdIO->pSetBuf)(PL_StdIO, (f), (b))
#  define PerlSIO_setvbuf(f,b,t,s)                                      \
        (*PL_StdIO->pSetVBuf)(PL_StdIO, (f),(b),(t),(s))
#  define PerlSIO_set_cnt(f,c)                                          \
        (*PL_StdIO->pSetCnt)(PL_StdIO, (f), (c))
#  define PerlSIO_set_ptr(f,p)                                          \
        (*PL_StdIO->pSetPtr)(PL_StdIO, (f), (p))
#  define PerlSIO_setlinebuf(f)                                         \
        (*PL_StdIO->pSetlinebuf)(PL_StdIO, (f))
#  define PerlSIO_printf                Perl_fprintf_nocontext
#  define PerlSIO_stdoutf               Perl_printf_nocontext
#  define PerlSIO_vprintf(f,fmt,a)                                      \
        (*PL_StdIO->pVprintf)(PL_StdIO, (f),(fmt),a)
#  define PerlSIO_ftell(f)                                              \
        (*PL_StdIO->pTell)(PL_StdIO, (f))
#  define PerlSIO_fseek(f,o,w)                                          \
        (*PL_StdIO->pSeek)(PL_StdIO, (f),(o),(w))
#  define PerlSIO_fgetpos(f,p)                                          \
        (*PL_StdIO->pGetpos)(PL_StdIO, (f),(p))
#  define PerlSIO_fsetpos(f,p)                                          \
        (*PL_StdIO->pSetpos)(PL_StdIO, (f),(p))
#  define PerlSIO_rewind(f)                                             \
        (*PL_StdIO->pRewind)(PL_StdIO, (f))
#  define PerlSIO_tmpfile()                                             \
        (*PL_StdIO->pTmpfile)(PL_StdIO)
#  define PerlSIO_init()                                                \
        (*PL_StdIO->pInit)(PL_StdIO)
#  undef        init_os_extras
#  define init_os_extras()                                              \
        (*PL_StdIO->pInitOSExtras)(PL_StdIO)
#  define PerlSIO_fdupopen(f)                                           \
        (*PL_StdIO->pFdupopen)(PL_StdIO, (f))

#else   /* ! PERL_IMPLICIT_SYS */

#  define PerlSIO_stdin                 stdin
#  define PerlSIO_stdout                        stdout
#  define PerlSIO_stderr                        stderr
#  define PerlSIO_fopen(x,y)            fopen(x,y)
#  ifdef __VOS__
   /* Work around VOS bug posix-979, wrongly setting errno when at end of file. */
#    define PerlSIO_fclose(f)           (((errno==1025)?errno=0:0),fclose(f))
#    define PerlSIO_feof(f)                     (((errno==1025)?errno=0:0),feof(f))
#    define PerlSIO_ferror(f)           (((errno==1025)?errno=0:0),ferror(f))
#  else
#    define PerlSIO_fclose(f)           fclose(f)
#    define PerlSIO_feof(f)                     feof(f)
#    define PerlSIO_ferror(f)           ferror(f)
#  endif
#  define PerlSIO_clearerr(f)           clearerr(f)
#  define PerlSIO_fgetc(f)                      fgetc(f)
#  ifdef FILE_base
#    define PerlSIO_get_base(f)         FILE_base(f)
#    define PerlSIO_get_bufsiz(f)               FILE_bufsiz(f)
#  else
#    define PerlSIO_get_base(f)         NULL
#    define PerlSIO_get_bufsiz(f)               0
#  endif
#  ifdef USE_STDIO_PTR
#    define PerlSIO_get_cnt(f)          FILE_cnt(f)
#    define PerlSIO_get_ptr(f)          FILE_ptr(f)
#  else
#    define PerlSIO_get_cnt(f)          0
#    define PerlSIO_get_ptr(f)          NULL
#  endif
#  define PerlSIO_fputc(c,f)            fputc(c,f)
#  define PerlSIO_fputs(s,f)            fputs(s,f)
#  define PerlSIO_fflush(f)             Fflush(f)
#  define PerlSIO_fgets(s, n, f)                fgets(s,n,f)
#  if defined(__VMS)
     /* Unusual definition of ungetc() here to accommodate fast_sv_gets()'
      * belief that it can mix getc/ungetc with reads from stdio buffer */
START_EXTERN_C
     int decc$ungetc(int __c, FILE *__stream);
END_EXTERN_C
#      define PerlSIO_ungetc(c,f) ((c) == EOF ? EOF :   \
            ((*(f) && !((*(f))->_flag & _IONBF) &&      \
            ((*(f))->_ptr > (*(f))->_base)) ?           \
            ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
#  else
#    define PerlSIO_ungetc(c,f)          ungetc(c,f)
#  endif
#  define PerlSIO_fileno(f)             fileno(f)
#  define PerlSIO_fdopen(f, s)          fdopen(f,s)
#  define PerlSIO_freopen(p, m, f)      freopen(p,m,f)
#  define PerlSIO_fread(buf,sz,count,f) fread(buf,sz,count,f)
#  define PerlSIO_fwrite(buf,sz,count,f)        fwrite(buf,sz,count,f)
#  define PerlSIO_setbuf(f,b)           setbuf(f,b)
#  define PerlSIO_setvbuf(f,b,t,s)      setvbuf(f,b,t,s)
#  if defined(USE_STDIO_PTR) && defined(STDIO_CNT_LVALUE)
#    define PerlSIO_set_cnt(f,c)                FILE_cnt(f) = (c)
#  else
#    define PerlSIO_set_cnt(f,c)                PerlIOProc_abort()
#  endif
#  if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE)
#    define PerlSIO_set_ptr(f,p)                (FILE_ptr(f) = (p))
#  else
#    define PerlSIO_set_ptr(f,p)                PerlIOProc_abort()
#  endif
#  define PerlSIO_setlinebuf(f)         setlinebuf(f)
#  define PerlSIO_printf                        fprintf
#  define PerlSIO_stdoutf                       printf
#  define PerlSIO_vprintf(f,fmt,a)      vfprintf(f,fmt,a)
#  define PerlSIO_ftell(f)              ftell(f)
#  define PerlSIO_fseek(f,o,w)          fseek(f,o,w)
#  define PerlSIO_fgetpos(f,p)          fgetpos(f,p)
#  define PerlSIO_fsetpos(f,p)          fsetpos(f,p)
#  define PerlSIO_rewind(f)             rewind(f)
#  define PerlSIO_tmpfile()             tmpfile()
#  define PerlSIO_fdupopen(f)           (f)

#endif  /* PERL_IMPLICIT_SYS */

/*
 *   Interface for directory functions
 */

#if defined(PERL_IMPLICIT_SYS)

/* IPerlDir             */
struct IPerlDir;
struct IPerlDirInfo;
typedef int             (*LPMakedir)(struct IPerlDir*, const char*, int);
typedef int             (*LPChdir)(struct IPerlDir*, const char*);
typedef int             (*LPRmdir)(struct IPerlDir*, const char*);
typedef int             (*LPDirClose)(struct IPerlDir*, DIR*);
typedef DIR*            (*LPDirOpen)(struct IPerlDir*, const char*);
typedef struct direct*  (*LPDirRead)(struct IPerlDir*, DIR*);
typedef void            (*LPDirRewind)(struct IPerlDir*, DIR*);
typedef void            (*LPDirSeek)(struct IPerlDir*, DIR*, long);
typedef long            (*LPDirTell)(struct IPerlDir*, DIR*);
#  ifdef WIN32
typedef char*           (*LPDirMapPathA)(struct IPerlDir*, const char*);
typedef WCHAR*          (*LPDirMapPathW)(struct IPerlDir*, const WCHAR*);
#  endif

struct IPerlDir
{
    LPMakedir           pMakedir;
    LPChdir             pChdir;
    LPRmdir             pRmdir;
    LPDirClose          pClose;
    LPDirOpen           pOpen;
    LPDirRead           pRead;
    LPDirRewind         pRewind;
    LPDirSeek           pSeek;
    LPDirTell           pTell;
#  ifdef WIN32
    LPDirMapPathA       pMapPathA;
    LPDirMapPathW       pMapPathW;
#  endif
};

struct IPerlDirInfo
{
    unsigned long       nCount;     /* number of entries expected */
    struct IPerlDir     perlDirList;
};

#  define PerlDir_mkdir(name, mode)                             \
        (*PL_Dir->pMakedir)(PL_Dir, (name), (mode))
#  define PerlDir_chdir(name)                                   \
        (*PL_Dir->pChdir)(PL_Dir, (name))
#  define PerlDir_rmdir(name)                                   \
        (*PL_Dir->pRmdir)(PL_Dir, (name))
#  define PerlDir_close(dir)                                    \
        (*PL_Dir->pClose)(PL_Dir, (dir))
#  define PerlDir_open(name)                                    \
        (*PL_Dir->pOpen)(PL_Dir, (name))
#  define PerlDir_read(dir)                                     \
        (*PL_Dir->pRead)(PL_Dir, (dir))
#  define PerlDir_rewind(dir)                                   \
        (*PL_Dir->pRewind)(PL_Dir, (dir))
#  define PerlDir_seek(dir, loc)                                \
        (*PL_Dir->pSeek)(PL_Dir, (dir), (loc))
#  define PerlDir_tell(dir)                                     \
        (*PL_Dir->pTell)(PL_Dir, (dir))
#  ifdef WIN32
#    define PerlDir_mapA(dir)                                   \
        (*PL_Dir->pMapPathA)(PL_Dir, (dir))
#    define PerlDir_mapW(dir)                                   \
        (*PL_Dir->pMapPathW)(PL_Dir, (dir))
#    endif

#  else /* ! PERL_IMPLICIT_SYS */

#  define PerlDir_mkdir(name, mode)     Mkdir((name), (mode))
#  ifdef VMS
#    define PerlDir_chdir(n)            Chdir((n))
#  else
#    define PerlDir_chdir(name)         chdir((name))
#  endif
#  define PerlDir_rmdir(name)           rmdir((name))
#  define PerlDir_close(dir)            closedir((dir))
#  define PerlDir_open(name)            opendir((name))
#  define PerlDir_read(dir)             readdir((dir))
#  define PerlDir_rewind(dir)           rewinddir((dir))
#  define PerlDir_seek(dir, loc)                seekdir((dir), (loc))
#  define PerlDir_tell(dir)             telldir((dir))
#  ifdef WIN32
#    define PerlDir_mapA(dir)           dir
#    define PerlDir_mapW(dir)           dir
#  endif

#endif  /* PERL_IMPLICIT_SYS */

/*
    Interface for perl environment functions
*/

#if defined(PERL_IMPLICIT_SYS)

/* IPerlEnv             */
struct IPerlEnv;
struct IPerlEnvInfo;
typedef char*           (*LPEnvGetenv)(struct IPerlEnv*, const char*);
typedef int             (*LPEnvPutenv)(struct IPerlEnv*, const char*);
typedef char*           (*LPEnvGetenv_len)(struct IPerlEnv*,
                                    const char *varname, unsigned long *len);
typedef int             (*LPEnvUname)(struct IPerlEnv*, struct utsname *name);
typedef void            (*LPEnvClearenv)(struct IPerlEnv*);
typedef void*           (*LPEnvGetChildenv)(struct IPerlEnv*);
typedef void            (*LPEnvFreeChildenv)(struct IPerlEnv*, void* env);
typedef char*           (*LPEnvGetChilddir)(struct IPerlEnv*);
typedef void            (*LPEnvFreeChilddir)(struct IPerlEnv*, char* dir);
#  ifdef HAS_ENVGETENV
typedef char*           (*LPENVGetenv)(struct IPerlEnv*, const char *varname);
typedef char*           (*LPENVGetenv_len)(struct IPerlEnv*,
                                    const char *varname, unsigned long *len);
#  endif
#  ifdef WIN32
typedef unsigned long   (*LPEnvOsID)(struct IPerlEnv*);
typedef char*           (*LPEnvLibPath)(struct IPerlEnv*, WIN32_NO_REGISTRY_M_(const char*)
                                        STRLEN *const len);
typedef char*           (*LPEnvSiteLibPath)(struct IPerlEnv*, const char*,
                                            STRLEN *const len);
typedef char*           (*LPEnvVendorLibPath)(struct IPerlEnv*, const char*,
                                              STRLEN *const len);
typedef void            (*LPEnvGetChildIO)(struct IPerlEnv*, child_IO_table*);
#  endif

struct IPerlEnv
{
    LPEnvGetenv         pGetenv;
    LPEnvPutenv         pPutenv;
    LPEnvGetenv_len     pGetenv_len;
    LPEnvUname          pEnvUname;
    LPEnvClearenv       pClearenv;
    LPEnvGetChildenv    pGetChildenv;
    LPEnvFreeChildenv   pFreeChildenv;
    LPEnvGetChilddir    pGetChilddir;
    LPEnvFreeChilddir   pFreeChilddir;
#  ifdef HAS_ENVGETENV
    LPENVGetenv         pENVGetenv;
    LPENVGetenv_len     pENVGetenv_len;
#  endif
#  ifdef WIN32
    LPEnvOsID           pEnvOsID;
    LPEnvLibPath        pLibPath;
    LPEnvSiteLibPath    pSiteLibPath;
    LPEnvVendorLibPath  pVendorLibPath;
    LPEnvGetChildIO     pGetChildIO;
#  endif
};

struct IPerlEnvInfo
{
    unsigned long       nCount;     /* number of entries expected */
    struct IPerlEnv     perlEnvList;
};

#  define PerlEnv_putenv(str)                                   \
        (*PL_Env->pPutenv)(PL_Env,(str))
#  define PerlEnv_getenv(str)                                   \
        (*PL_Env->pGetenv)(PL_Env,(str))
#  define PerlEnv_getenv_len(str,l)                             \
        (*PL_Env->pGetenv_len)(PL_Env,(str), (l))
#  define PerlEnv_clearenv()                                    \
        (*PL_Env->pClearenv)(PL_Env)
#  define PerlEnv_get_childenv()                                \
        (*PL_Env->pGetChildenv)(PL_Env)
#  define PerlEnv_free_childenv(e)                              \
        (*PL_Env->pFreeChildenv)(PL_Env, (e))
#  define PerlEnv_get_childdir()                                \
        (*PL_Env->pGetChilddir)(PL_Env)
#  define PerlEnv_free_childdir(d)                              \
        (*PL_Env->pFreeChilddir)(PL_Env, (d))
#  ifdef HAS_ENVGETENV
#    define PerlEnv_ENVgetenv(str)                              \
        (*PL_Env->pENVGetenv)(PL_Env,(str))
#    define PerlEnv_ENVgetenv_len(str,l)                        \
        (*PL_Env->pENVGetenv_len)(PL_Env,(str), (l))
#  else
#    define PerlEnv_ENVgetenv(str)                              \
        PerlEnv_getenv((str))
#    define PerlEnv_ENVgetenv_len(str,l)                        \
        PerlEnv_getenv_len((str),(l))
#  endif
#  define PerlEnv_uname(name)                                   \
        (*PL_Env->pEnvUname)(PL_Env,(name))
#  ifdef WIN32
#    define PerlEnv_os_id()                                     \
        (*PL_Env->pEnvOsID)(PL_Env)
#    define PerlEnv_lib_path(str, lenp)                         \
        (*PL_Env->pLibPath)(PL_Env,WIN32_NO_REGISTRY_M_(str)(lenp))
#    define PerlEnv_sitelib_path(str, lenp)                     \
        (*PL_Env->pSiteLibPath)(PL_Env,(str),(lenp))
#    define PerlEnv_vendorlib_path(str, lenp)                   \
        (*PL_Env->pVendorLibPath)(PL_Env,(str),(lenp))
#    define PerlEnv_get_child_IO(ptr)                           \
        (*PL_Env->pGetChildIO)(PL_Env, ptr)
#  endif

#else   /* below is ! PERL_IMPLICIT_SYS */
#  ifdef USE_ITHREADS

/* Use the comma operator to return 0/non-zero, while avoiding putting
      * this in an inline function */
#    define PerlEnv_putenv(str) (ENV_LOCK, (putenv(str)         \
                                            ? (ENV_UNLOCK, 1)   \
                                            : (ENV_UNLOCK, 0)))
#  else
#    define PerlEnv_putenv(str)         putenv(str)
#  endif
#  define PerlEnv_getenv(str)           mortal_getenv(str)
#  define PerlEnv_getenv_len(str,l)     getenv_len((str), (l))
#  ifdef HAS_ENVGETENV
#    define PerlEnv_ENVgetenv(str)      ENVgetenv((str))
#    define PerlEnv_ENVgetenv_len(str,l)        ENVgetenv_len((str), (l))
#  else
#    define PerlEnv_ENVgetenv(str)      PerlEnv_getenv((str))
#    define PerlEnv_ENVgetenv_len(str,l)        PerlEnv_getenv_len((str), (l))
#  endif
#  define PerlEnv_uname(name)           uname((name))

#  ifdef WIN32
#    define PerlEnv_os_id()                     win32_os_id()
#    define PerlEnv_lib_path(str, lenp) win32_get_privlib(WIN32_NO_REGISTRY_M_(str) lenp)
#    define PerlEnv_sitelib_path(str, lenp)     win32_get_sitelib(str, lenp)
#    define PerlEnv_vendorlib_path(str, lenp)   win32_get_vendorlib(str, lenp)
#  define PerlEnv_get_child_IO(ptr)     win32_get_child_IO(ptr)
#  define PerlEnv_clearenv()            win32_clearenv()
#  define PerlEnv_get_childenv()                win32_get_childenv()
#  define PerlEnv_free_childenv(e)      win32_free_childenv((e))
#  define PerlEnv_get_childdir()                win32_get_childdir()
#  define PerlEnv_free_childdir(d)      win32_free_childdir((d))
#  else
#    define PerlEnv_clearenv(str)               (ENV_LOCK, (clearenv(str)   \
                                                    ? (ENV_UNLOCK, 1)       \
                                                    : (ENV_UNLOCK, 0)))
#    define PerlEnv_get_childenv()              get_childenv()
#    define PerlEnv_free_childenv(e)    free_childenv((e))
#    define PerlEnv_get_childdir()              get_childdir()
#    define PerlEnv_free_childdir(d)    free_childdir((d))
#  endif

#endif  /* PERL_IMPLICIT_SYS */

/*
    Interface for perl low-level IO functions
*/

#if defined(PERL_IMPLICIT_SYS)

struct utimbuf; /* prevent gcc warning about the use below */

/* IPerlLIO             */
struct IPerlLIO;
struct IPerlLIOInfo;
typedef int             (*LPLIOAccess)(struct IPerlLIO*, const char*, int);
typedef int             (*LPLIOChmod)(struct IPerlLIO*, const char*, int);
typedef int             (*LPLIOChown)(struct IPerlLIO*, const char*, uid_t,
                            gid_t);
typedef int             (*LPLIOChsize)(struct IPerlLIO*, int, Off_t);
typedef int             (*LPLIOClose)(struct IPerlLIO*, int);
typedef int             (*LPLIODup)(struct IPerlLIO*, int);
typedef int             (*LPLIODup2)(struct IPerlLIO*, int, int);
typedef int             (*LPLIOFlock)(struct IPerlLIO*, int, int);
typedef int             (*LPLIOFileStat)(struct IPerlLIO*, int, Stat_t*);
typedef int             (*LPLIOIOCtl)(struct IPerlLIO*, int, unsigned int,
                            char*);
typedef int             (*LPLIOIsatty)(struct IPerlLIO*, int);
typedef int             (*LPLIOLink)(struct IPerlLIO*, const char*,
                                     const char *);
typedef Off_t           (*LPLIOLseek)(struct IPerlLIO*, int, Off_t, int);
typedef int             (*LPLIOLstat)(struct IPerlLIO*, const char*,
                            Stat_t*);
typedef char*           (*LPLIOMktemp)(struct IPerlLIO*, char*);
typedef int             (*LPLIOOpen)(struct IPerlLIO*, const char*, int);       
typedef int             (*LPLIOOpen3)(struct IPerlLIO*, const char*, int, int); 
typedef int             (*LPLIORead)(struct IPerlLIO*, int, void*, unsigned int);
typedef int             (*LPLIORename)(struct IPerlLIO*, const char*,
                            const char*);
typedef int             (*LPLIOSetmode)(struct IPerlLIO*, int, int);
typedef int             (*LPLIONameStat)(struct IPerlLIO*, const char*,
                            Stat_t*);
typedef char*           (*LPLIOTmpnam)(struct IPerlLIO*, char*);
typedef int             (*LPLIOUmask)(struct IPerlLIO*, int);
typedef int             (*LPLIOUnlink)(struct IPerlLIO*, const char*);
typedef int             (*LPLIOUtime)(struct IPerlLIO*, const char*, struct utimbuf*);
typedef int             (*LPLIOWrite)(struct IPerlLIO*, int, const void*,
                            unsigned int);
typedef int             (*LPLIOSymLink)(struct IPerlLIO*, const char*,
                                     const char *);
typedef int             (*LPLIOReadLink)(struct IPerlLIO*, const char*,
                                         char *, size_t);

struct IPerlLIO
{
    LPLIOAccess         pAccess;
    LPLIOChmod          pChmod;
    LPLIOChown          pChown;
    LPLIOChsize         pChsize;
    LPLIOClose          pClose;
    LPLIODup            pDup;
    LPLIODup2           pDup2;
    LPLIOFlock          pFlock;
    LPLIOFileStat       pFileStat;
    LPLIOIOCtl          pIOCtl;
    LPLIOIsatty         pIsatty;
    LPLIOLink           pLink;
    LPLIOLseek          pLseek;
    LPLIOLstat          pLstat;
    LPLIOMktemp         pMktemp;
    LPLIOOpen           pOpen;
    LPLIOOpen3          pOpen3;
    LPLIORead           pRead;
    LPLIORename         pRename;
    LPLIOSetmode        pSetmode;
    LPLIONameStat       pNameStat;
    LPLIOTmpnam         pTmpnam;
    LPLIOUmask          pUmask;
    LPLIOUnlink         pUnlink;
    LPLIOUtime          pUtime;
    LPLIOWrite          pWrite;
    LPLIOSymLink        pSymLink;
    LPLIOReadLink       pReadLink;
};

struct IPerlLIOInfo
{
    unsigned long       nCount;     /* number of entries expected */
    struct IPerlLIO     perlLIOList;
};

#  define PerlLIO_access(file, mode)                                    \
        (*PL_LIO->pAccess)(PL_LIO, (file), (mode))
#  define PerlLIO_chmod(file, mode)                                     \
        (*PL_LIO->pChmod)(PL_LIO, (file), (mode))
#  define PerlLIO_chown(file, owner, group)                             \
        (*PL_LIO->pChown)(PL_LIO, (file), (owner), (group))
#  define PerlLIO_chsize(fd, size)                                      \
        (*PL_LIO->pChsize)(PL_LIO, (fd), (size))
#  define PerlLIO_close(fd)                                             \
        (*PL_LIO->pClose)(PL_LIO, (fd))
#  define PerlLIO_dup(fd)                                               \
        (*PL_LIO->pDup)(PL_LIO, (fd))
#  define PerlLIO_dup2(fd1, fd2)                                        \
        (*PL_LIO->pDup2)(PL_LIO, (fd1), (fd2))
#  define PerlLIO_flock(fd, op)                                         \
        (*PL_LIO->pFlock)(PL_LIO, (fd), (op))
#  define PerlLIO_fstat(fd, buf)                                        \
        (*PL_LIO->pFileStat)(PL_LIO, (fd), (buf))
#  define PerlLIO_ioctl(fd, u, buf)                                     \
        (*PL_LIO->pIOCtl)(PL_LIO, (fd), (u), (buf))
#  define PerlLIO_isatty(fd)                                            \
        (*PL_LIO->pIsatty)(PL_LIO, (fd))
#  define PerlLIO_link(oldname, newname)                                \
        (*PL_LIO->pLink)(PL_LIO, (oldname), (newname))
#  define PerlLIO_symlink(oldname, newname)                             \
        (*PL_LIO->pSymLink)(PL_LIO, (oldname), (newname))
#  define PerlLIO_readlink(path, buf, bufsiz)                           \
        (*PL_LIO->pReadLink)(PL_LIO, (path), (buf), (bufsiz))
#  define PerlLIO_lseek(fd, offset, mode)                               \
        (*PL_LIO->pLseek)(PL_LIO, (fd), (offset), (mode))
#  define PerlLIO_lstat(name, buf)                                      \
        (*PL_LIO->pLstat)(PL_LIO, (name), (buf))
#  define PerlLIO_mktemp(file)                                          \
        (*PL_LIO->pMktemp)(PL_LIO, (file))
#  define PerlLIO_open(file, flag)                                      \
        (*PL_LIO->pOpen)(PL_LIO, (file), (flag))
#  define PerlLIO_open3(file, flag, perm)                               \
        (*PL_LIO->pOpen3)(PL_LIO, (file), (flag), (perm))
#  define PerlLIO_read(fd, buf, count)                                  \
        (*PL_LIO->pRead)(PL_LIO, (fd), (buf), (count))
#  define PerlLIO_rename(oname, newname)                                \
        (*PL_LIO->pRename)(PL_LIO, (oname), (newname))
#  define PerlLIO_setmode(fd, mode)                                     \
        (*PL_LIO->pSetmode)(PL_LIO, (fd), (mode))
#  define PerlLIO_stat(name, buf)                                       \
        (*PL_LIO->pNameStat)(PL_LIO, (name), (buf))
#  define PerlLIO_tmpnam(str)                                           \
        (*PL_LIO->pTmpnam)(PL_LIO, (str))
#  define PerlLIO_umask(mode)                                           \
        (*PL_LIO->pUmask)(PL_LIO, (mode))
#  define PerlLIO_unlink(file)                                          \
        (*PL_LIO->pUnlink)(PL_LIO, (file))
#  define PerlLIO_utime(file, time)                                     \
        (*PL_LIO->pUtime)(PL_LIO, (file), (time))
#  define PerlLIO_write(fd, buf, count)                                 \
        (*PL_LIO->pWrite)(PL_LIO, (fd), (buf), (count))

#else   /* ! PERL_IMPLICIT_SYS */

#  define PerlLIO_access(file, mode)    access((file), (mode))
#  define PerlLIO_chmod(file, mode)     chmod((file), (mode))
#  define PerlLIO_chown(file, owner, grp)       chown((file), (owner), (grp))
#  if defined(HAS_TRUNCATE)
#    define PerlLIO_chsize(fd, size)    ftruncate((fd), (size))
#  elif defined(HAS_CHSIZE)
#    define PerlLIO_chsize(fd, size)    chsize((fd), (size))
#  else
#    define PerlLIO_chsize(fd, size)    my_chsize((fd), (size))
#  endif
#  define PerlLIO_close(fd)             close((fd))
#  define PerlLIO_dup(fd)                       dup((fd))
#  define PerlLIO_dup2(fd1, fd2)                dup2((fd1), (fd2))
#  define PerlLIO_flock(fd, op)         FLOCK((fd), (op))
#  define PerlLIO_fstat(fd, buf)                Fstat((fd), (buf))
#  define PerlLIO_ioctl(fd, u, buf)     ioctl((fd), (u), (buf))
#  define PerlLIO_isatty(fd)            isatty((fd))
#  define PerlLIO_link(oldname, newname)        link((oldname), (newname))
#  define PerlLIO_symlink(oldname, newname)     symlink((oldname), (newname))
#  define PerlLIO_readlink(path, buf, bufsiz)   readlink((path), (buf), (bufsiz))
#  define PerlLIO_lseek(fd, offset, mode)       lseek((fd), (offset), (mode))
#  define PerlLIO_stat(name, buf)               Stat((name), (buf))
#  ifdef HAS_LSTAT
#    define PerlLIO_lstat(name, buf)    lstat((name), (buf))
#  else
#    define PerlLIO_lstat(name, buf)    PerlLIO_stat((name), (buf))
#  endif
#  define PerlLIO_mktemp(file)          mktemp((file))
#  if defined(OEMVS)
#    if (__CHARSET_LIB == 1)
    int asciiopen(const char* path, int oflag);
    int asciiopen3(const char* path, int oflag, int perm);

#      define PerlLIO_open(file, flag)          asciiopen((file), (flag))
#      define PerlLIO_open3(file, flag, perm)   asciiopen3((file), (flag), (perm))
#    else
#      define PerlLIO_open(file, flag)          open((file), (flag))
#      define PerlLIO_open3(file, flag, perm)   open((file), (flag), (perm))
#    endif
#  else
#    define PerlLIO_open(file, flag)            open((file), (flag))
#    define PerlLIO_open3(file, flag, perm)     open((file), (flag), (perm))
#  endif
#  define PerlLIO_read(fd, buf, count)  read((fd), (buf), (count))
#  define PerlLIO_rename(old, new)      rename((old), (new))
#  define PerlLIO_setmode(fd, mode)     setmode((fd), (mode))
#  define PerlLIO_tmpnam(str)           tmpnam((str))
#  define PerlLIO_umask(mode)           umask((mode))
#  define PerlLIO_unlink(file)          unlink((file))
#  define PerlLIO_utime(file, time)     utime((file), (time))
#  define PerlLIO_write(fd, buf, count) write((fd), (buf), (count))

#endif  /* PERL_IMPLICIT_SYS */

/*
    Interface for perl memory allocation
*/

#if defined(PERL_IMPLICIT_SYS)

/* IPerlMem             */
struct IPerlMem;
struct IPerlMemInfo;
typedef void*           (*LPMemMalloc)(struct IPerlMem*, size_t);
typedef void*           (*LPMemRealloc)(struct IPerlMem*, void*, size_t);
typedef void            (*LPMemFree)(struct IPerlMem*, void*);
typedef void*           (*LPMemCalloc)(struct IPerlMem*, size_t, size_t);
typedef void            (*LPMemGetLock)(struct IPerlMem*);
typedef void            (*LPMemFreeLock)(struct IPerlMem*);
typedef int             (*LPMemIsLocked)(struct IPerlMem*);

struct IPerlMem
{
    LPMemMalloc         pMalloc;
    LPMemRealloc        pRealloc;
    LPMemFree           pFree;
    LPMemCalloc         pCalloc;
    LPMemGetLock        pGetLock;
    LPMemFreeLock       pFreeLock;
    LPMemIsLocked       pIsLocked;
};

struct IPerlMemInfo
{
    unsigned long       nCount;     /* number of entries expected */
    struct IPerlMem     perlMemList;
};

/* Interpreter specific memory macros */
#  define PerlMem_malloc(size)                              \
        (*PL_Mem->pMalloc)(PL_Mem, (size))
#  define PerlMem_realloc(buf, size)                        \
        (*PL_Mem->pRealloc)(PL_Mem, (buf), (size))
#  define PerlMem_free(buf)                                 \
        (*PL_Mem->pFree)(PL_Mem, (buf))
#  define PerlMem_calloc(num, size)                         \
        (*PL_Mem->pCalloc)(PL_Mem, (num), (size))
#  define PerlMem_get_lock()                                \
        (*PL_Mem->pGetLock)(PL_Mem)
#  define PerlMem_free_lock()                               \
        (*PL_Mem->pFreeLock)(PL_Mem)
#  define PerlMem_is_locked()                               \
        (*PL_Mem->pIsLocked)(PL_Mem)

/* Shared memory macros */
#  define PerlMemShared_malloc(size)                        \
        (*PL_MemShared->pMalloc)(PL_MemShared, (size))
#  define PerlMemShared_realloc(buf, size)                  \
        (*PL_MemShared->pRealloc)(PL_MemShared, (buf), (size))
#  define PerlMemShared_free(buf)                           \
        (*PL_MemShared->pFree)(PL_MemShared, (buf))
#  define PerlMemShared_calloc(num, size)                   \
        (*PL_MemShared->pCalloc)(PL_MemShared, (num), (size))
#  define PerlMemShared_get_lock()                          \
        (*PL_MemShared->pGetLock)(PL_MemShared)
#  define PerlMemShared_free_lock()                         \
        (*PL_MemShared->pFreeLock)(PL_MemShared)
#  define PerlMemShared_is_locked()                         \
        (*PL_MemShared->pIsLocked)(PL_MemShared)

/* Parse tree memory macros */
#  define PerlMemParse_malloc(size)                         \
        (*PL_MemParse->pMalloc)(PL_MemParse, (size))
#  define PerlMemParse_realloc(buf, size)                   \
        (*PL_MemParse->pRealloc)(PL_MemParse, (buf), (size))
#  define PerlMemParse_free(buf)                            \
        (*PL_MemParse->pFree)(PL_MemParse, (buf))
#  define PerlMemParse_calloc(num, size)                    \
        (*PL_MemParse->pCalloc)(PL_MemParse, (num), (size))
#  define PerlMemParse_get_lock()                           \
        (*PL_MemParse->pGetLock)(PL_MemParse)
#  define PerlMemParse_free_lock()                          \
        (*PL_MemParse->pFreeLock)(PL_MemParse)
#  define PerlMemParse_is_locked()                          \
        (*PL_MemParse->pIsLocked)(PL_MemParse)

#else   /* ! PERL_IMPLICIT_SYS */

/* Interpreter specific memory macros */
#  define PerlMem_malloc(size)          malloc((size))
#  define PerlMem_realloc(buf, size)    realloc((buf), (size))
#  define PerlMem_free(buf)             free((buf))
#  define PerlMem_calloc(num, size)     calloc((num), (size))
#  define PerlMem_get_lock()            
#  define PerlMem_free_lock()
#  define PerlMem_is_locked()           0

/* Shared memory macros */
#  define PerlMemShared_malloc(size)            malloc((size))
#  define PerlMemShared_realloc(buf, size)      realloc((buf), (size))
#  define PerlMemShared_free(buf)               free((buf))
#  define PerlMemShared_calloc(num, size)       calloc((num), (size))
#  define PerlMemShared_get_lock()              
#  define PerlMemShared_free_lock()
#  define PerlMemShared_is_locked()             0

/* Parse tree memory macros */
#  define PerlMemParse_malloc(size)             malloc((size))
#  define PerlMemParse_realloc(buf, size)       realloc((buf), (size))
#  define PerlMemParse_free(buf)                free((buf))
#  define PerlMemParse_calloc(num, size)        calloc((num), (size))
#  define PerlMemParse_get_lock()               
#  define PerlMemParse_free_lock()
#  define PerlMemParse_is_locked()              0

#endif  /* PERL_IMPLICIT_SYS */

/*
    Interface for perl process functions
*/

#if defined(PERL_IMPLICIT_SYS)

#  ifndef jmp_buf
#    include <setjmp.h>
#  endif

/* IPerlProc            */
struct IPerlProc;
struct IPerlProcInfo;
typedef void            (*LPProcAbort)(struct IPerlProc*);
typedef char*           (*LPProcCrypt)(struct IPerlProc*, const char*,
                            const char*);
typedef void            (*LPProcExit)(struct IPerlProc*, int)
                            __attribute__noreturn__;
typedef void            (*LPProc_Exit)(struct IPerlProc*, int)
                            __attribute__noreturn__;
typedef int             (*LPProcExecl)(struct IPerlProc*, const char*,
                            const char*, const char*, const char*,
                            const char*);
typedef int             (*LPProcExecv)(struct IPerlProc*, const char*,
                            const char*const*);
typedef int             (*LPProcExecvp)(struct IPerlProc*, const char*,
                            const char*const*);
typedef Uid_t           (*LPProcGetuid)(struct IPerlProc*);
typedef Uid_t           (*LPProcGeteuid)(struct IPerlProc*);
typedef Gid_t           (*LPProcGetgid)(struct IPerlProc*);
typedef Gid_t           (*LPProcGetegid)(struct IPerlProc*);
typedef char*           (*LPProcGetlogin)(struct IPerlProc*);
typedef int             (*LPProcKill)(struct IPerlProc*, int, int);
typedef int             (*LPProcKillpg)(struct IPerlProc*, int, int);
typedef int             (*LPProcPauseProc)(struct IPerlProc*);
typedef PerlIO*         (*LPProcPopen)(struct IPerlProc*, const char*,
                            const char*);
typedef PerlIO*         (*LPProcPopenList)(struct IPerlProc*, const char*,
                            IV narg, SV **args);
typedef int             (*LPProcPclose)(struct IPerlProc*, PerlIO*);
typedef int             (*LPProcPipe)(struct IPerlProc*, int*);
typedef int             (*LPProcSetuid)(struct IPerlProc*, uid_t);
typedef int             (*LPProcSetgid)(struct IPerlProc*, gid_t);
typedef int             (*LPProcSleep)(struct IPerlProc*, unsigned int);
typedef int             (*LPProcTimes)(struct IPerlProc*, struct tms*);
typedef int             (*LPProcWait)(struct IPerlProc*, int*);
typedef int             (*LPProcWaitpid)(struct IPerlProc*, int, int*, int);
typedef Sighandler_t    (*LPProcSignal)(struct IPerlProc*, int, Sighandler_t);
typedef int             (*LPProcFork)(struct IPerlProc*);
typedef int             (*LPProcGetpid)(struct IPerlProc*);
#  ifdef WIN32
typedef void*           (*LPProcDynaLoader)(struct IPerlProc*, const char*);
typedef void            (*LPProcGetOSError)(struct IPerlProc*,
                            SV* sv, DWORD dwErr);
typedef int             (*LPProcSpawnvp)(struct IPerlProc*, int, const char*,
                            const char*const*);
#  endif
typedef int             (*LPProcLastHost)(struct IPerlProc*);
typedef int             (*LPProcGetTimeOfDay)(struct IPerlProc*,
                                              struct timeval*, void*);

struct IPerlProc
{
    LPProcAbort         pAbort;
    LPProcCrypt         pCrypt;
    LPProcExit          pExit;
    LPProc_Exit         p_Exit;
    LPProcExecl         pExecl;
    LPProcExecv         pExecv;
    LPProcExecvp        pExecvp;
    LPProcGetuid        pGetuid;
    LPProcGeteuid       pGeteuid;
    LPProcGetgid        pGetgid;
    LPProcGetegid       pGetegid;
    LPProcGetlogin      pGetlogin;
    LPProcKill          pKill;
    LPProcKillpg        pKillpg;
    LPProcPauseProc     pPauseProc;
    LPProcPopen         pPopen;
    LPProcPclose        pPclose;
    LPProcPipe          pPipe;
    LPProcSetuid        pSetuid;
    LPProcSetgid        pSetgid;
    LPProcSleep         pSleep;
    LPProcTimes         pTimes;
    LPProcWait          pWait;
    LPProcWaitpid       pWaitpid;
    LPProcSignal        pSignal;
    LPProcFork          pFork;
    LPProcGetpid        pGetpid;
#  ifdef WIN32
    LPProcDynaLoader    pDynaLoader;
    LPProcGetOSError    pGetOSError;
    LPProcSpawnvp       pSpawnvp;
#  endif
    LPProcLastHost      pLastHost;
    LPProcPopenList     pPopenList;
    LPProcGetTimeOfDay  pGetTimeOfDay;
};

struct IPerlProcInfo
{
    unsigned long       nCount;     /* number of entries expected */
    struct IPerlProc    perlProcList;
};

#  define PerlProc_abort()                                              \
        (*PL_Proc->pAbort)(PL_Proc)
#  define PerlProc_crypt(c,s)                                           \
        (*PL_Proc->pCrypt)(PL_Proc, (c), (s))
#  define PerlProc_exit(s)                                              \
        (*PL_Proc->pExit)(PL_Proc, (s))
#  define PerlProc__exit(s)                                             \
        (*PL_Proc->p_Exit)(PL_Proc, (s))
#  define PerlProc_execl(c, w, x, y, z)                                 \
        (*PL_Proc->pExecl)(PL_Proc, (c), (w), (x), (y), (z))
#  define PerlProc_execv(c, a)                                          \
        (*PL_Proc->pExecv)(PL_Proc, (c), (a))
#  define PerlProc_execvp(c, a)                                         \
        (*PL_Proc->pExecvp)(PL_Proc, (c), (a))
#  define PerlProc_getuid()                                             \
        (*PL_Proc->pGetuid)(PL_Proc)
#  define PerlProc_geteuid()                                            \
        (*PL_Proc->pGeteuid)(PL_Proc)
#  define PerlProc_getgid()                                             \
        (*PL_Proc->pGetgid)(PL_Proc)
#  define PerlProc_getegid()                                            \
        (*PL_Proc->pGetegid)(PL_Proc)
#  define PerlProc_getlogin()                                           \
        (*PL_Proc->pGetlogin)(PL_Proc)
#  define PerlProc_kill(i, a)                                           \
        (*PL_Proc->pKill)(PL_Proc, (i), (a))
#  define PerlProc_killpg(i, a)                                         \
        (*PL_Proc->pKillpg)(PL_Proc, (i), (a))
#  define PerlProc_pause()                                              \
        (*PL_Proc->pPauseProc)(PL_Proc)
#  define PerlProc_popen(c, m)                                          \
        (*PL_Proc->pPopen)(PL_Proc, (c), (m))
#  define PerlProc_popen_list(m, n, a)                                  \
        (*PL_Proc->pPopenList)(PL_Proc, (m), (n), (a))
#  define PerlProc_pclose(f)                                            \
        (*PL_Proc->pPclose)(PL_Proc, (f))
#  define PerlProc_pipe(fd)                                             \
        (*PL_Proc->pPipe)(PL_Proc, (fd))
#  define PerlProc_setuid(u)                                            \
        (*PL_Proc->pSetuid)(PL_Proc, (u))
#  define PerlProc_setgid(g)                                            \
        (*PL_Proc->pSetgid)(PL_Proc, (g))
#  define PerlProc_sleep(t)                                             \
        (*PL_Proc->pSleep)(PL_Proc, (t))
#  define PerlProc_times(t)                                             \
        (*PL_Proc->pTimes)(PL_Proc, (t))
#  define PerlProc_wait(t)                                              \
        (*PL_Proc->pWait)(PL_Proc, (t))
#  define PerlProc_waitpid(p,s,f)                                       \
        (*PL_Proc->pWaitpid)(PL_Proc, (p), (s), (f))
#  define PerlProc_signal(n, h)                                         \
        (*PL_Proc->pSignal)(PL_Proc, (n), (h))
#  define PerlProc_fork()                                               \
        (*PL_Proc->pFork)(PL_Proc)
#  define PerlProc_getpid()                                             \
        (*PL_Proc->pGetpid)(PL_Proc)
#  define PerlProc_setjmp(b, n) Sigsetjmp((b), (n))
#  define PerlProc_longjmp(b, n) Siglongjmp((b), (n))

#  ifdef WIN32
#    define PerlProc_DynaLoad(f)                                        \
        (*PL_Proc->pDynaLoader)(PL_Proc, (f))
#    define PerlProc_GetOSError(s,e)                                    \
        (*PL_Proc->pGetOSError)(PL_Proc, (s), (e))
#    define PerlProc_spawnvp(m, c, a)                                   \
        (*PL_Proc->pSpawnvp)(PL_Proc, (m), (c), (a))
#  endif
#  define PerlProc_lasthost()                                           \
        (*PL_Proc->pLastHost)(PL_Proc)
#  define PerlProc_gettimeofday(t,z)                                    \
        (*PL_Proc->pGetTimeOfDay)(PL_Proc,(t),(z))

#else   /* ! PERL_IMPLICIT_SYS */

#  define PerlProc_abort()      abort()
#  define PerlProc_crypt(c,s)   crypt((c), (s))
#  define PerlProc_exit(s)      exit((s))
#  define PerlProc__exit(s)     _exit((s))
#  define PerlProc_execl(c,w,x,y,z)                                     \
        execl((c), (w), (x), (y), (z))
#  define PerlProc_execv(c, a)  execv((c), (a))
#  define PerlProc_execvp(c, a) execvp((c), (a))
#  define PerlProc_getuid()     getuid()
#  define PerlProc_geteuid()    geteuid()
#  define PerlProc_getgid()     getgid()
#  define PerlProc_getegid()    getegid()
#  define PerlProc_getlogin()   getlogin()
#  define PerlProc_kill(i, a)   kill((i), (a))
#  define PerlProc_killpg(i, a) killpg((i), (a))
#  define PerlProc_pause()      Pause()
#  define PerlProc_popen(c, m)  my_popen((c), (m))
#  define PerlProc_popen_list(m,n,a)    my_popen_list((m),(n),(a))
#  define PerlProc_pclose(f)    my_pclose((f))
#  define PerlProc_pipe(fd)     pipe((fd))
#  define PerlProc_setuid(u)    setuid((u))
#  define PerlProc_setgid(g)    setgid((g))
#  define PerlProc_sleep(t)     sleep((t))
#  define PerlProc_times(t)     times((t))
#  define PerlProc_wait(t)      wait((t))
#  define PerlProc_waitpid(p,s,f) waitpid((p), (s), (f))
#  define PerlProc_setjmp(b, n) Sigsetjmp((b), (n))
#  define PerlProc_longjmp(b, n)Siglongjmp((b), (n))
#  define PerlProc_signal(n, h) signal((n), (h))
#  define PerlProc_fork()       my_fork()
#  define PerlProc_getpid()     getpid()
#  define PerlProc_gettimeofday(t,z)    gettimeofday((t),(z))

#  ifdef WIN32
#    define PerlProc_DynaLoad(f)                                        \
        win32_dynaload((f))
#    define PerlProc_GetOSError(s,e)                                    \
        win32_str_os_error((s), (e))
#    define PerlProc_spawnvp(m, c, a)                                   \
        win32_spawnvp((m), (c), (a))
#    undef PerlProc_signal
#    define PerlProc_signal(n, h) win32_signal((n), (h))
#  endif
#endif  /* PERL_IMPLICIT_SYS */

/*
    Interface for perl socket functions
*/

#if defined(PERL_IMPLICIT_SYS)

/* PerlSock             */
struct IPerlSock;
struct IPerlSockInfo;
typedef u_long          (*LPHtonl)(struct IPerlSock*, u_long);
typedef u_short         (*LPHtons)(struct IPerlSock*, u_short);
typedef u_long          (*LPNtohl)(struct IPerlSock*, u_long);
typedef u_short         (*LPNtohs)(struct IPerlSock*, u_short);
typedef SOCKET          (*LPAccept)(struct IPerlSock*, SOCKET,
                            struct sockaddr*, int*);
typedef int             (*LPBind)(struct IPerlSock*, SOCKET,
                            const struct sockaddr*, int);
typedef int             (*LPConnect)(struct IPerlSock*, SOCKET,
                            const struct sockaddr*, int);
typedef void            (*LPEndhostent)(struct IPerlSock*);
typedef void            (*LPEndnetent)(struct IPerlSock*);
typedef void            (*LPEndprotoent)(struct IPerlSock*);
typedef void            (*LPEndservent)(struct IPerlSock*);
typedef int             (*LPGethostname)(struct IPerlSock*, char*, int);
typedef int             (*LPGetpeername)(struct IPerlSock*, SOCKET,
                            struct sockaddr*, int*);
typedef struct hostent* (*LPGethostbyaddr)(struct IPerlSock*, const char*,
                            int, int);
typedef struct hostent* (*LPGethostbyname)(struct IPerlSock*, const char*);
typedef struct hostent* (*LPGethostent)(struct IPerlSock*);
typedef struct netent*  (*LPGetnetbyaddr)(struct IPerlSock*, long, int);
typedef struct netent*  (*LPGetnetbyname)(struct IPerlSock*, const char*);
typedef struct netent*  (*LPGetnetent)(struct IPerlSock*);
typedef struct protoent*(*LPGetprotobyname)(struct IPerlSock*, const char*);
typedef struct protoent*(*LPGetprotobynumber)(struct IPerlSock*, int);
typedef struct protoent*(*LPGetprotoent)(struct IPerlSock*);
typedef struct servent* (*LPGetservbyname)(struct IPerlSock*, const char*,
                            const char*);
typedef struct servent* (*LPGetservbyport)(struct IPerlSock*, int,
                            const char*);
typedef struct servent* (*LPGetservent)(struct IPerlSock*);
typedef int             (*LPGetsockname)(struct IPerlSock*, SOCKET,
                            struct sockaddr*, int*);
typedef int             (*LPGetsockopt)(struct IPerlSock*, SOCKET, int, int,
                            char*, int*);
typedef unsigned long   (*LPInetAddr)(struct IPerlSock*, const char*);
typedef char*           (*LPInetNtoa)(struct IPerlSock*, struct in_addr);
typedef int             (*LPListen)(struct IPerlSock*, SOCKET, int);
typedef int             (*LPRecv)(struct IPerlSock*, SOCKET, char*, int, int);
typedef int             (*LPRecvfrom)(struct IPerlSock*, SOCKET, char*, int,
                            int, struct sockaddr*, int*);
typedef int             (*LPSelect)(struct IPerlSock*, int, char*, char*,
                            char*, const struct timeval*);
typedef int             (*LPSend)(struct IPerlSock*, SOCKET, const char*, int,
                            int);
typedef int             (*LPSendto)(struct IPerlSock*, SOCKET, const char*,
                            int, int, const struct sockaddr*, int);
typedef void            (*LPSethostent)(struct IPerlSock*, int);
typedef void            (*LPSetnetent)(struct IPerlSock*, int);
typedef void            (*LPSetprotoent)(struct IPerlSock*, int);
typedef void            (*LPSetservent)(struct IPerlSock*, int);
typedef int             (*LPSetsockopt)(struct IPerlSock*, SOCKET, int, int,
                            const char*, int);
typedef int             (*LPShutdown)(struct IPerlSock*, SOCKET, int);
typedef SOCKET          (*LPSocket)(struct IPerlSock*, int, int, int);
typedef int             (*LPSocketpair)(struct IPerlSock*, int, int, int,
                            int*);
#  ifdef WIN32
typedef int             (*LPClosesocket)(struct IPerlSock*, SOCKET s);
#  endif

struct IPerlSock
{
    LPHtonl             pHtonl;
    LPHtons             pHtons;
    LPNtohl             pNtohl;
    LPNtohs             pNtohs;
    LPAccept            pAccept;
    LPBind              pBind;
    LPConnect           pConnect;
    LPEndhostent        pEndhostent;
    LPEndnetent         pEndnetent;
    LPEndprotoent       pEndprotoent;
    LPEndservent        pEndservent;
    LPGethostname       pGethostname;
    LPGetpeername       pGetpeername;
    LPGethostbyaddr     pGethostbyaddr;
    LPGethostbyname     pGethostbyname;
    LPGethostent        pGethostent;
    LPGetnetbyaddr      pGetnetbyaddr;
    LPGetnetbyname      pGetnetbyname;
    LPGetnetent         pGetnetent;
    LPGetprotobyname    pGetprotobyname;
    LPGetprotobynumber  pGetprotobynumber;
    LPGetprotoent       pGetprotoent;
    LPGetservbyname     pGetservbyname;
    LPGetservbyport     pGetservbyport;
    LPGetservent        pGetservent;
    LPGetsockname       pGetsockname;
    LPGetsockopt        pGetsockopt;
    LPInetAddr          pInetAddr;
    LPInetNtoa          pInetNtoa;
    LPListen            pListen;
    LPRecv              pRecv;
    LPRecvfrom          pRecvfrom;
    LPSelect            pSelect;
    LPSend              pSend;
    LPSendto            pSendto;
    LPSethostent        pSethostent;
    LPSetnetent         pSetnetent;
    LPSetprotoent       pSetprotoent;
    LPSetservent        pSetservent;
    LPSetsockopt        pSetsockopt;
    LPShutdown          pShutdown;
    LPSocket            pSocket;
    LPSocketpair        pSocketpair;
#  ifdef WIN32
    LPClosesocket       pClosesocket;
#  endif
};

struct IPerlSockInfo
{
    unsigned long       nCount;     /* number of entries expected */
    struct IPerlSock    perlSockList;
};

#  define PerlSock_htonl(x)                                             \
        (*PL_Sock->pHtonl)(PL_Sock, x)
#  define PerlSock_htons(x)                                             \
        (*PL_Sock->pHtons)(PL_Sock, x)
#  define PerlSock_ntohl(x)                                             \
        (*PL_Sock->pNtohl)(PL_Sock, x)
#  define PerlSock_ntohs(x)                                             \
        (*PL_Sock->pNtohs)(PL_Sock, x)
#  define PerlSock_accept(s, a, l)                                      \
        (*PL_Sock->pAccept)(PL_Sock, s, a, l)
#  define PerlSock_bind(s, n, l)                                        \
        (*PL_Sock->pBind)(PL_Sock, s, n, l)
#  define PerlSock_connect(s, n, l)                                     \
        (*PL_Sock->pConnect)(PL_Sock, s, n, l)
#  define PerlSock_endhostent()                                         \
        (*PL_Sock->pEndhostent)(PL_Sock)
#  define PerlSock_endnetent()                                          \
        (*PL_Sock->pEndnetent)(PL_Sock)
#  define PerlSock_endprotoent()                                        \
        (*PL_Sock->pEndprotoent)(PL_Sock)
#  define PerlSock_endservent()                                         \
        (*PL_Sock->pEndservent)(PL_Sock)
#  define PerlSock_gethostbyaddr(a, l, t)                               \
        (*PL_Sock->pGethostbyaddr)(PL_Sock, a, l, t)
#  define PerlSock_gethostbyname(n)                                     \
        (*PL_Sock->pGethostbyname)(PL_Sock, n)
#  define PerlSock_gethostent()                                         \
        (*PL_Sock->pGethostent)(PL_Sock)
#  define PerlSock_gethostname(n, l)                                    \
        (*PL_Sock->pGethostname)(PL_Sock, n, l)
#  define PerlSock_getnetbyaddr(n, t)                                   \
        (*PL_Sock->pGetnetbyaddr)(PL_Sock, n, t)
#  define PerlSock_getnetbyname(c)                                      \
        (*PL_Sock->pGetnetbyname)(PL_Sock, c)
#  define PerlSock_getnetent()                                          \
        (*PL_Sock->pGetnetent)(PL_Sock)
#  define PerlSock_getpeername(s, n, l)                                 \
        (*PL_Sock->pGetpeername)(PL_Sock, s, n, l)
#  define PerlSock_getprotobyname(n)                                    \
        (*PL_Sock->pGetprotobyname)(PL_Sock, n)
#  define PerlSock_getprotobynumber(n)                                  \
        (*PL_Sock->pGetprotobynumber)(PL_Sock, n)
#  define PerlSock_getprotoent()                                        \
        (*PL_Sock->pGetprotoent)(PL_Sock)
#  define PerlSock_getservbyname(n, p)                                  \
        (*PL_Sock->pGetservbyname)(PL_Sock, n, p)
#  define PerlSock_getservbyport(port, p)                               \
        (*PL_Sock->pGetservbyport)(PL_Sock, port, p)
#  define PerlSock_getservent()                                         \
        (*PL_Sock->pGetservent)(PL_Sock)
#  define PerlSock_getsockname(s, n, l)                                 \
        (*PL_Sock->pGetsockname)(PL_Sock, s, n, l)
#  define PerlSock_getsockopt(s,l,n,v,i)                                \
        (*PL_Sock->pGetsockopt)(PL_Sock, s, l, n, v, i)
#  define PerlSock_inet_addr(c)                                         \
        (*PL_Sock->pInetAddr)(PL_Sock, c)
#  define PerlSock_inet_ntoa(i)                                         \
        (*PL_Sock->pInetNtoa)(PL_Sock, i)
#  define PerlSock_listen(s, b)                                         \
        (*PL_Sock->pListen)(PL_Sock, s, b)
#  define PerlSock_recv(s, b, l, f)                                     \
        (*PL_Sock->pRecv)(PL_Sock, s, b, l, f)
#  define PerlSock_recvfrom(s,b,l,f,from,fromlen)                       \
        (*PL_Sock->pRecvfrom)(PL_Sock, s, b, l, f, from, fromlen)
#  define PerlSock_select(n, r, w, e, t)                                \
        (*PL_Sock->pSelect)(PL_Sock, n, (char*)r, (char*)w, (char*)e, t)
#  define PerlSock_send(s, b, l, f)                                     \
        (*PL_Sock->pSend)(PL_Sock, s, b, l, f)
#  define PerlSock_sendto(s, b, l, f, t, tlen)                          \
        (*PL_Sock->pSendto)(PL_Sock, s, b, l, f, t, tlen)
#  define PerlSock_sethostent(f)                                        \
        (*PL_Sock->pSethostent)(PL_Sock, f)
#  define PerlSock_setnetent(f)                                         \
        (*PL_Sock->pSetnetent)(PL_Sock, f)
#  define PerlSock_setprotoent(f)                                       \
        (*PL_Sock->pSetprotoent)(PL_Sock, f)
#  define PerlSock_setservent(f)                                        \
        (*PL_Sock->pSetservent)(PL_Sock, f)
#  define PerlSock_setsockopt(s, l, n, v, len)                          \
        (*PL_Sock->pSetsockopt)(PL_Sock, s, l, n, v, len)
#  define PerlSock_shutdown(s, h)                                       \
        (*PL_Sock->pShutdown)(PL_Sock, s, h)
#  define PerlSock_socket(a, t, p)                                      \
        (*PL_Sock->pSocket)(PL_Sock, a, t, p)
#  define PerlSock_socketpair(a, t, p, f)                               \
        (*PL_Sock->pSocketpair)(PL_Sock, a, t, p, f)

#  ifdef WIN32
#    define     PerlSock_closesocket(s)                                 \
        (*PL_Sock->pClosesocket)(PL_Sock, s)
#  endif

#else   /* ! PERL_IMPLICIT_SYS below */

#  define PerlSock_htonl(x)             htonl(x)
#  define PerlSock_htons(x)             htons(x)
#  define PerlSock_ntohl(x)             ntohl(x)
#  define PerlSock_ntohs(x)             ntohs(x)
#  define PerlSock_accept(s, a, l)      accept(s, a, l)
#  define PerlSock_bind(s, n, l)        bind(s, n, l)
#  define PerlSock_connect(s, n, l)     connect(s, n, l)

#  define PerlSock_gethostbyaddr(a, l, t) gethostbyaddr(a, l, t)
#  define PerlSock_gethostbyname(n)     gethostbyname(n)
#  define PerlSock_gethostent           gethostent
#  define PerlSock_endhostent           endhostent
#  define PerlSock_gethostname(n, l)    gethostname(n, l)

#  define PerlSock_getnetbyaddr(n, t)   getnetbyaddr(n, t)
#  define PerlSock_getnetbyname(n)      getnetbyname(n)
#  define PerlSock_getnetent            getnetent
#  define PerlSock_endnetent            endnetent
#  define PerlSock_getpeername(s, n, l) getpeername(s, n, l)

#  define PerlSock_getprotobyname(n)    getprotobyname(n)
#  define PerlSock_getprotobynumber(n)  getprotobynumber(n)
#  define PerlSock_getprotoent          getprotoent
#  define PerlSock_endprotoent          endprotoent

#  define PerlSock_getservbyname(n, p)  getservbyname(n, p)
#  define PerlSock_getservbyport(port, p) getservbyport(port, p)
#  define PerlSock_getservent           getservent
#  define PerlSock_endservent           endservent

#  define PerlSock_getsockname(s, n, l) getsockname(s, n, l)
#  define PerlSock_getsockopt(s,l,n,v,i)  getsockopt(s, l, n, v, i)
#  define PerlSock_inet_addr(c)         inet_addr(c)
#  define PerlSock_inet_ntoa(i)         inet_ntoa(i)
#  define PerlSock_listen(s, b)         listen(s, b)
#  define PerlSock_recv(s, b, l, f)     recv(s, b, l, f)
#  define PerlSock_recvfrom(s, b, l, f, from, fromlen)                  \
        recvfrom(s, b, l, f, from, fromlen)
#  define PerlSock_select(n, r, w, e, t) select(n, r, w, e, t)
#  define PerlSock_send(s, b, l, f)     send(s, b, l, f)
#  define PerlSock_sendto(s, b, l, f, t, tlen)                          \
        sendto(s, b, l, f, t, tlen)
#  define PerlSock_sethostent(f)        sethostent(f)
#  define PerlSock_setnetent(f)         setnetent(f)
#  define PerlSock_setprotoent(f)       setprotoent(f)
#  define PerlSock_setservent(f)        setservent(f)
#  define PerlSock_setsockopt(s, l, n, v, len)                          \
        setsockopt(s, l, n, v, len)
#  define PerlSock_shutdown(s, h)       shutdown(s, h)
#  define PerlSock_socket(a, t, p)      socket(a, t, p)
#  define PerlSock_socketpair(a, t, p, f) socketpair(a, t, p, f)

#  ifdef WIN32
#    define PerlSock_closesocket(s)     closesocket(s)
#  endif

#endif  /* PERL_IMPLICIT_SYS */

#endif  /* __Inc__IPerl___ */

/*
 * ex: set ts=8 sts=4 sw=4 et:
 */

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