#ifndef __UNISTD_LOADED
#define __UNISTD_LOADED 1
/*****************************************************************************
**
**  <unistd.h> - Standard symbolic constants and types
**
******************************************************************************
**                                                                       
**   Copyright 2007 Hewlett-Packard Development Company, L.P.            
**                                                                       
** Confidential computer software.  Valid license from HP and/or         
** its subsidiaries required for possession, use, or copying.            
**                                                                       
** Consistent with FAR 12.211 and 12.212, Commercial Computer Software,  
** Computer Software Documentation, and Technical Data for Commercial    
** Items are licensed to the U.S. Government under vendor's standard     
** commercial license.                                                   
**                                                                       
** Neither HP nor any of its subsidiaries shall be liable for technical  
** or editorial errors or omissions contained herein.  The information   
** in this document is provided "as is" without warranty of any kind and 
** is subject to change without notice.  The warranties for HP products  
** are set forth in the express limited warranty statements accompanying 
** such products.  Nothing herein should be construed as constituting an 
** additional warranty.                                                  
**                                                                       
******************************************************************************
*/

#pragma __nostandard
#include <decc$types.h>

#ifdef __cplusplus
    extern "C" {
#define __decc$unknown_params ...
#else
#define __decc$unknown_params
#endif

#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size __save
#   pragma __pointer_size 32
#endif


/*	 
**  X/Open extended (XPG4) typedefs, new in DEC C V5.n
*/	 
#if defined _XOPEN_SOURCE_EXTENDED || \
    (!defined _POSIX_C_SOURCE && !defined _DECC_V4_SOURCE)

#   ifndef __USECONDS_T  
#       define __USECONDS_T
        typedef __useconds_t useconds_t;
#   endif
#endif


/*
**  Create 'public' typedefs that are sensitive to pointer size and must
**  use 32 bit pointers.  Create other declarations which are not sensitive
**  to pointer size.
*/
#ifndef NULL
#   define NULL __NULL
#endif


/*
**  ISO POSIX-1 Defines for the Access() mode argument
*/
#define  F_OK      0
#define  X_OK      1
#define  W_OK      2
#define  R_OK      4


/*
**  ISO POSIX-1 Seek modes.
*/
#define  SEEK_SET  0
#define  SEEK_CUR  1
#define  SEEK_END  2


/* 
**  ISO POSIX-1 File descriptor numbers for stdin, stdout and stderr
*/ 
#define  STDIN_FILENO 0
#define  STDOUT_FILENO 1
#define  STDERR_FILENO 2


/*
**  ISO POSIX-1 Constants for portability specifications
*/

#define _POSIX_VERSION             199506L   /* IEEE Std 1003.1c-1995         */
#define _POSIX_JOB_CONTROL         (-1)      /* Support for job control       */
#define _POSIX_SAVED_IDS           (-1)      /* Save set-user-id,set-group-id */
#define _POSIX_CHOWN_RESTRICTED      1       /* chown requires privilege      */
#define _POSIX_NO_TRUNC            (-1)      /* pathnames are truncated       */
#define _POSIX_VDISABLE            (-1)      /* tcgetattr not supported       */


/*
**  ISO POSIX-1 Symbolic constants for the [f]pathconf() function
*/
#define _PC_CHOWN_RESTRICTED        0
#define _PC_LINK_MAX                1
#define _PC_MAX_CANON               2
#define _PC_MAX_INPUT               3
#define _PC_NAME_MAX                4
#define _PC_NO_TRUNC                5
#define _PC_PATH_MAX                6
#define _PC_PIPE_BUF                7
#define _PC_VDISABLE                8


/*
**  ISO POSIX-1 Symbolic constants for the sysconf() function
*/
#define _SC_ARG_MAX                 100
#define _SC_CHILD_MAX               101
#define _SC_CLK_TCK                 102
#define _SC_NGROUPS_MAX             103
#define _SC_OPEN_MAX                104
#define _SC_STREAM_MAX              105
#define _SC_TZNAME_MAX              106
#define _SC_JOB_CONTROL             107
#define _SC_SAVED_IDS               108
#define _SC_VERSION                 109


#if _POSIX_C_SOURCE >= 2 || !defined _POSIX_C_SOURCE
    /* 
    **  ISO POSIX-2 configuration values
    */ 
#   define _POSIX2_C_VERSION        199209L  /* IEEE Std 1003.2-1992          */
#   define _POSIX2_VERSION          199209L  /* POSIX.2 standard              */
#   define _POSIX2_C_BIND           1        /* Support C language binding    */
#   define _POSIX2_C_DEV            (-1)     /* Support C development env     */
#   define _POSIX2_CHAR_TERM        1        /* Support at least one terminal */
#   define _POSIX2_FORT_DEV         (-1)     /* Support FORTRAN development   */
#   define _POSIX2_FORT_RUN         (-1)     /* Support FORTRAN runtime       */
#   define _POSIX2_LOCALEDEF        1        /* Support creation of locales   */
#   define _POSIX2_SW_DEV           (-1)     /* Support software development  */
#   define _POSIX2_UPE              (-1)     /* Support User Portability Env  */


    /* 
    **  ISO POSIX-2 Symbolic constants for sysconf()
    */ 
#   define _SC_BC_BASE_MAX          		121
#   define _SC_BC_DIM_MAX           		122
#   define _SC_BC_SCALE_MAX         		123
#   define _SC_BC_STRING_MAX        		124
#   define _SC_COLL_WEIGHTS_MAX     		125
#   define _SC_EXPR_NEST_MAX       		126
#   define _SC_LINE_MAX             		127
#   define _SC_RE_DUP_MAX           		128
#   define _SC_2_VERSION            		129
#   define _SC_2_C_BIND             		130
#   define _SC_2_C_DEV              		131
#   define _SC_2_FORT_DEV           		132
#   define _SC_2_SW_DEV             		133
#   define _SC_2_FORT_RUN           		134
#   define _SC_2_LOCALEDEF          		135
#   define _SC_2_UPE                		136
#if __CRTL_VER >= 70301000
#   define _SC_GETGR_R_SIZE_MAX        		150
#endif
#   define _SC_GETPW_R_SIZE_MAX        		151

    /*
    **  ISO POSIX-2 Symbolic constants for the confstr() function
    **
    **  _CS_MACHINE_IDENT, _CS_PARTITION_IDENT and _CS_MACHINE_SERIAL
    **  are HP-UX symbolic constants which are available on OpenVMS
    **  as of V8.3.  On OpenVMS, they correspond to the values
    **  returned by sys$getsyi() for SYI$_SYSTEM_UID, SYI$_PARTITION_ID
    **  and SYI$_SERIAL_NUMBER respectively.  Note that SYI$_SYSTEM_UUID
    **  returns meaningful information only for I64 systems.
    */
#   define _CS_PATH  0
#   define _CS_MACHINE_IDENT  1
#   define _CS_PARTITION_IDENT  2
#   define _CS_MACHINE_SERIAL  3

    /*
    **  ISO POSIX-2 option parsing state variables 
    */
#   if (__CRTL_VER >= 60200000)
#      pragma __extern_model __save
#      pragma __extern_model __strict_refdef
       extern int optind;
       extern int opterr;
       extern int optopt;
       extern char *optarg;
#      pragma __extern_model __restore
#   endif

#endif


#if _POSIX_C_SOURCE >= 199506 || !defined _POSIX_C_SOURCE

    /*
    **  POSIX 1003.1c-1995 configuration values.
    */
#   define _POSIX_THREADS		     /* 1003.4a (pthreads) comformant */
#   define _POSIX_THREAD_ATTR_STACKSIZE      /* Support spec stack size       */
#   define _POSIX_THREAD_PRIORITY_SCHEDULING /* Support realtime scheduling   */
/*
**  Thread-safe ANSI C functions from POSIX 1003.1c not 
**  implemented at this time.
**  #   define _POSIX_THREAD_SAFE_FUNCTIONS     
*/

    /*
    **  POSIX 1003.1c-1995 Symbolic constants for sysconf()
    */
#   define _SC_THREAD_DESTRUCTOR_ITERATIONS     140
#   define _SC_THREAD_KEYS_MAX                  141
#   define _SC_THREAD_STACK_MIN                 142
#   define _SC_THREAD_THREADS_MAX               143
#   define _SC_THREAD_SAFE_FUNCTIONS            144
#   define _SC_THREADS                          145
#   define _SC_THREAD_ATTR_STACKSIZE            146
#   define _SC_THREAD_PRIORITY_SCHEDULING       147

#endif

#if defined _XOPEN_SOURCE || !defined _POSIX_C_SOURCE
    /* 
    **  X/Open configuration variables
    */                                       
#   define _XOPEN_VERSION            4       /* XPG4                          */
#   define _XOPEN_XCU_VERSION       -1       /* Version of XCU                */
#   define _XOPEN_XPG4_EXTENDED     -1       /* not fully provided            */
#   define _XOPEN_CRYPT             -1       /* Supports X/Open Encryption FG */
#   define _XOPEN_ENH_I18N           1       /* Supports Enhanced Internat FG */
#   define _XOPEN_SHM               -1       /* Supports Shared Memory FG     */

    /*
    **  X/Open Symbolic constants for the sysconf() function
    */
#   define _SC_XOPEN_VERSION        110
#   define _SC_PASS_MAX             111
#   define _SC_XOPEN_CRYPT          118
#   define _SC_XOPEN_ENH_I18N       119
#   define _SC_XOPEN_SHM            120
#endif


#if defined _XOPEN_SOURCE_EXTENDED || !defined _POSIX_C_SOURCE
    /*
    ** X/Open Extended (XPG4 V2) configuration variables
    */
#   define _XOPEN_UNIX              1        /* Supports XSH4 extended feature*/

    /* 
    **  X/Open Extended (XPG4 V2) symbolic constants for sysconf() function
    */ 
#   define _SC_PAGESIZE             117
#   define _SC_PAGE_SIZE            _SC_PAGESIZE
#   define _SC_ATEXIT_MAX           138 /* not in POSIX, but in XPG4 */
#   define _SC_IOV_MAX              139 /* not in POSIX, but in XPG4 */         
#   define _SC_XOPEN_UNIX           148
#endif


/* 
**  DEC C extensions
*/ 
#ifndef _POSIX_C_SOURCE

    /* 
    **  Constants for sysconf()
    */ 

    /*
    ** definitions for the MP extensions to sysconf()
    */
#   define _SC_NPROC_CONF  200
#   define _SC_NPROCESSORS_CONF _SC_NPROC_CONF
#   define _SC_NPROC_ONLN  201
#   define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN

#   define _SC_2_C_VERSION         _SC_2_VERSION
#   define _SC_2_CHAR_TERM          137

#   ifdef __NOT_YET_IMPLEMENTED
#     define _SC_DELAYTIMER_MAX     112
#     define _SC_TIMER_MAX          113
#     define _SC_MAPPED_FILES       114
#     define _SC_FSYNC              115
#     define _SC_TIMERS             116
#   endif

#   if __CRTL_VER >= 80300000
#       define _SC_CPU_CHIP_TYPE    160
#   endif

    /*
    **  Symbolic constants for the [f]pathconf() function
    */
#   ifdef __NEED_MORE_INFO
#     define _PC_ASYNC_IO           9
#     define _PC_PRIO_IO            10
#     define _PC_SYNC_IO            11
#   endif
#endif


/* 
**  ISO POSIX-1 typedefs
*/ 
#if !defined __SIZE_T  && !defined _DECC_V4_SOURCE
#   define __SIZE_T 1
#ifdef __NAMESPACE_STD
namespace std {
#endif
    typedef __size_t size_t;
#ifdef __NAMESPACE_STD
} /* namespace std */
    using std::size_t;
#endif
#endif

#if !defined __SSIZE_T  && !defined _DECC_V4_SOURCE
#   define __SSIZE_T 1
    typedef __ssize_t ssize_t;
#endif


/* 
**  X/Open (XPG4) typedefs
*/ 
#if defined _XOPEN_SOURCE || \
    (!defined _POSIX_C_SOURCE && !defined _DECC_V4_SOURCE)

#   ifndef __GID_T
#      define __GID_T 1
       typedef __gid_t gid_t;
#   endif

#   ifndef __OFF_T
#      define __OFF_T 1
       typedef __off_t off_t;
#   endif

#   ifndef __PID_T
#      define __PID_T 1
       typedef __pid_t pid_t;
#   endif

#   ifndef __UID_T
#      define __UID_T 1
       typedef __uid_t uid_t;
#   endif
#endif


/* 
**  ISO POSIX-2 functions that do not support 64-bit pointers
*/ 
#if _POSIX_C_SOURCE >= 2 || !defined _POSIX_C_SOURCE
#   if __CRTL_VER >= 60200000  /* Supported starting with OpenVMS V6.2  */
       int getopt (int __argc, char * const __argv[], const char *__optstring);
#   endif
#endif


/*
**  We are done defining things which must always be 32 bit pointers.  If the
**  user has used /pointer_size=32 or /pointer_size=64, we will allow 64 bit
**  pointers to be used in function calls.
*/
#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size 64
#endif
                             

/* 
**  ISO POSIX-1 function prototypes
*/ 

#if __USE_LONG_GID_T
#   pragma __extern_prefix __save
#   pragma __extern_prefix "__long_gid_"
#endif

int  access    (const char *__file_spec, int __mode);

#if __USE_LONG_GID_T
#   pragma __extern_prefix __restore
#endif

int  close  (int __file_desc);
int  dup2   (int __file_desc1, int __file_desc2);
int  dup    (int __file_desc);
#if defined _XOPEN_SOURCE || !defined _ANSI_C_SOURCE
#if __CRTL_VER >= 80300000
void encrypt(char __block[64], int edflag);
char *crypt (const char *__key, const char *__salt);
#endif
#endif
int  execv  (const char *__path, __char_ptr_const_ptr32 __argv);
int  execve (const char *__path, __char_ptr_const_ptr32 __argv, __char_ptr_const_ptr32 __envp);
int  execvp (const char *__file, __char_ptr_const_ptr32 __argv);
int  isatty (int __file_desc);

#if __USE_OFF64_T
#   pragma __extern_prefix __save
#   pragma __extern_prefix "__off64_"
#endif

__off_t lseek (int __file_desc, __off_t __offset, int __direction);

#if __USE_OFF64_T
#   pragma __extern_prefix __restore
#endif

int  pause (void);

#ifdef _POSIX_C_SOURCE 
    int pipe (int __array_fdscptr[2]);
#else
    int pipe (int __array_fdscptr[2], ...);
#endif

int rmdir (const char *__path);

#if __USE_LONG_GID_T
#   pragma __extern_prefix __save
#   pragma __extern_prefix "__long_gid_"
#endif

__gid_t getegid (void);
__gid_t getgid  (void);

#if __USE_LONG_GID_T
#   pragma __extern_prefix __restore
#endif

#if __CRTL_VER >= 70301000
#   if __USE_LONG_GID_T
#      pragma __extern_prefix __save
#      pragma __extern_prefix "__long_gid_"
#   endif

int getgroups( int gidsetsize, __gid_t grouplist[]);

#   if __USE_LONG_GID_T
#      pragma __extern_prefix __restore
#   endif

#endif

__pid_t getpid  (void);
__pid_t getppid (void);

#if __CRTL_VER >= 70000000 && !defined(_VMS_V6_SOURCE)
#   if __CAN_USE_EXTERN_PREFIX
#      pragma __extern_prefix __save
#      pragma __extern_prefix "__posix_"
#   else
#      define _exit(__p1) __posix__exit(__p1)
#   endif

#endif

void _exit (int status);

#if __CRTL_VER >= 70000000 && !defined(_VMS_V6_SOURCE)
#   if __CAN_USE_EXTERN_PREFIX
#      pragma __extern_prefix __restore
#   endif
#endif

#if __USE_LONG_GID_T
#   pragma __extern_prefix __save
#   pragma __extern_prefix "__long_gid_"
#elif __CRTL_VER >= 70000000 && !defined(_VMS_V6_SOURCE)
#   if __CAN_USE_EXTERN_PREFIX
#      pragma __extern_prefix __save
#      pragma __extern_prefix "__unix_"
#   else
#	define geteuid() __unix_geteuid()
#	define getuid() __unix_getuid()
#   endif
#endif

__uid_t geteuid (void);
__uid_t getuid  (void);

#if __USE_LONG_GID_T
#   pragma __extern_prefix __restore
#elif __CRTL_VER >= 70000000 && !defined(_VMS_V6_SOURCE)
#   if __CAN_USE_EXTERN_PREFIX
#      pragma __extern_prefix __restore
#   endif
#endif

/* 
**  X/Open functions 
*/ 
#if defined _XOPEN_SOURCE_EXTENDED || !defined _POSIX_C_SOURCE
#    if defined _DECC_V4_SOURCE
         int gethostname (char *__name, int __namelen);
#    else
         int gethostname (char *__name, __size_t __namelen);
#    endif

#endif

#if __CRTL_VER >= 70301000
    int getlogin_r (__char_ptr64 name, __size_t namesize);
#endif

/*
**  The following functions always return a 32 bit pointer
*/
#if __CRTL_VER >= 70000000  
    __char_ptr32 getlogin (void);
#endif

#if __CRTL_VER >= 70320000 && __POSIX_TTYNAME
    __char_ptr32  ttyname(int fd);	/* Enforces 1 argument */
#endif

#if __CRTL_VER >= 70320000 
    int	ttyname_r(int __fd, __char_ptr64 __buffer, int __len);
#endif

/* 
**  X/Open Extended functions always returning 32 bit pointers
*/ 
#if defined _XOPEN_SOURCE_EXTENDED || !defined _POSIX_C_SOURCE 
    __void_ptr32 sbrk (long int __incr);
#endif

/*
**  The following functions have interfaces of XXX, _XXX32, and _XXX64 due only
**  to the fact that the return argument is a pointer that is relative to one
**  of the arguments.
*/
#if __INITIAL_POINTER_SIZE == 32
#pragma __pointer_size 32
#endif

/* ISO POSIX-1 functions */
char *ctermid (char *__str);

#if defined _XOPEN_SOURCE || !defined _POSIX_C_SOURCE
    char *cuserid (char *__str);
#endif

#ifdef _POSIX_C_SOURCE 
    char *getcwd (char *__buffer, __size_t __size);
#else
    char *getcwd (char *__buffer, unsigned int __size, ...);
#endif

#if __INITIAL_POINTER_SIZE == 32
#pragma __pointer_size 64
#endif

#if __INITIAL_POINTER_SIZE
#    pragma __pointer_size 32
     char *_ctermid32 (char *__str);
     char *_cuserid32 (char *__str);
     char *_getcwd32  (char *__buffer, unsigned int __size, ...);
#if __CRTL_VER >= 80300000
     char *_crypt32 (const char *__key, const char *__salt);
#endif
#    pragma __pointer_size 64
     char *_ctermid64 (char *__str);
     char *_cuserid64 (char *__str);
     char *_getcwd64 (char *__buffer, unsigned int __size, ...);
#if __CRTL_VER >= 80300000
     char *_crypt64 (const char *__key, const char *__salt);
#endif
#endif

/* 
**  DEC C V5.2 changed the prototypes to ISO POSIX-1 definitions in a way
**  that was binary upward compatible but not source upward compatibile.
**  The old definitions are retained for compatibility with old source.
*/ 
#ifndef _DECC_V4_SOURCE

#if __USE_LONG_GID_T
#   pragma __extern_prefix __save
#   pragma __extern_prefix "__long_gid_"
#endif

    int chown (const char *__file_spec, __uid_t __owner, __gid_t __group);

#   if !defined(__VAX) && __CRTL_VER >= 70301000
      int lchown (const char *__file_spec, __uid_t __owner, __gid_t __group);
#   endif

    int setgid  (__gid_t);
    int setuid  (__uid_t);

#if __USE_LONG_GID_T
#   pragma __extern_prefix __restore
#endif

    unsigned int alarm (unsigned int __seconds);
    __ssize_t read (int __file_desc, void *__buffer, __size_t __nbytes);
    __ssize_t write (int __file_desc, const void *__buffer, __size_t __nbytes);
    int execl (const char *__path, const char *arg0, ...);
    int execle (const char *__path, const char *arg0, ...);
    int execlp (const char *__path, const char *arg0, ...);
    unsigned int sleep (unsigned __seconds);

#   if !defined(__VAX) && __CRTL_VER >= 70301000
      int symlink (const char *path1, const char *path2);
      int readlink (const char *path, char *buf, __size_t bufsize);
#   endif

#else
    int alarm (unsigned int __seconds);

    int chown (const char *__file_spec, unsigned int __owner, unsigned int __group);

#   if !defined(__VAX) && __CRTL_VER >= 70301000
      int lchown (const char *__file_spec, unsigned int __owner, unsigned int __group);
      int symlink (const char *path1, const char *path2);
      int readlink (const char *path, char *buf, int bufsize);
#   endif

    int read (int __file_desc, void *__buffer, int __nbytes);
    int write (int __file_desc, void *__buffer, int __nbytes);
    int execl (char *__name, ...);
    int execle (char *__name, ...);
    int execlp (char *__name, ...);
    __gid_t setgid (__gid_t);
    __uid_t setuid (__uid_t);
    int sleep (unsigned __seconds);

#endif

#if __CRTL_VER >= 70000000
    long int fpathconf (int __fd, int __name);
    long int pathconf (const char * __path, int __name);
    long int sysconf (int __name);
    int unlink (const char *__path);
#endif

/* 
**  ISO POSIX-2 function prototypes
*/ 
#if _POSIX_C_SOURCE >= 2 || !defined _POSIX_C_SOURCE
#   if __CRTL_VER >= 70000000
       __size_t confstr (int __name, char * __buf, __size_t __len);
#   endif
#endif

/* 
**  X/Open (XPG4) function prototypes
*/
#if defined _XOPEN_SOURCE || !defined _POSIX_C_SOURCE
    int fsync (int __file_desc);
    int nice (int __increment);

#   if __CRTL_VER >= 70000000
       void swab (const void * __src, void * __dst, __ssize_t __nbytes);
#   endif

#   if __CRTL_VER >= 70300000
#      if __USE_LONG_GID_T
#	  pragma __extern_prefix __save
#	  pragma __extern_prefix "__long_gid_"
#      endif

       int fchown (int __fildes, __uid_t __owner, __gid_t __group);

#      if __USE_LONG_GID_T
#	  pragma __extern_prefix __restore
#      endif

#   endif

#   if !defined(__VAX) && __CRTL_VER >= 70301000
       int link (const char *__existing, const char *__new);
#   endif

#   if __USE_LONG_GID_T
       __pid_t getpgid (__pid_t);
       __pid_t getpgrp (void);
       __pid_t getsid (__pid_t);
       int seteuid (__uid_t);
       int setpgid (__pid_t, __pid_t);
       __pid_t setpgrp (void);
       int setregid (__gid_t, __gid_t);
       int setreuid (__uid_t, __uid_t);
       __pid_t setsid (void);
#   endif

#endif

/* 
**  X/Open extended (XPG4 V2) function prototypes
*/ 
#if defined _XOPEN_SOURCE_EXTENDED || !defined _POSIX_C_SOURCE 
#   if __CRTL_VER >= 70000000  
#      if __USE_OFF64_T
#         pragma __extern_prefix __save
#         pragma __extern_prefix "__off64_"
#      endif

       int ftruncate (int __filedes, __off_t __length );
       int truncate  (const char *__path, __off_t __length );

#      if __USE_OFF64_T
#         pragma __extern_prefix __restore
#      endif

       int getdtablesize (void);
       int getpagesize (void);
       __useconds_t ualarm (__useconds_t __useconds, __useconds_t __interval);
       int usleep (__useconds_t __useconds);
#   endif

#   if defined(__ALPHA)
#      define lib$get_current_invo_context LIB$GET_CURRENT_INVO_CONTEXT
       __int64_ptr32 decc$$get_vfork_jmpbuf (void);

#      ifdef __INITIAL_POINTER_SIZE
#      pragma __required_pointer_size __save
#      pragma __required_pointer_size __long
#      endif

       int LIB$GET_CURRENT_INVO_CONTEXT(__int64 *__invo_context);

#      ifdef __INITIAL_POINTER_SIZE
#      pragma __required_pointer_size __restore
#      endif

       int decc$$alloc_vfork_blocks (void);
#      define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
       lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
#   elif defined(__ia64)
       __int64_ptr32 decc$$get_vfork_jmpbuf (void);
       int decc$$alloc_vfork_blocks (void);
       int decc$setjmp1 (__int64 *__env);
#      define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
       decc$setjmp1(decc$$get_vfork_jmpbuf()) : -1)
#   else
#       ifndef _DECC_V4_SOURCE
           __pid_t vfork (void);
#       else
           int vfork (void);
#       endif
#   endif
#endif


/* 
**  DEC C extensions
**
**  chdir has an additional parameter as a DEC C extension.
*/ 
#ifdef _POSIX_C_SOURCE
    int chdir (const char *__dir_spec);
#else
    int chdir (const char *__dir_spec, ...);
#endif

#if defined _XOPEN_SOURCE_EXTENDED ||  !defined _ANSI_C_SOURCE

/*
**  XPG5 extentions
*/
# if __CRTL_VER >= 80300000
#  if __USE_OFF64_T
#    pragma __extern_prefix __save
#    pragma __extern_prefix "__off64_"
#  endif
__ssize_t pread(int fildes, void *buf, __size_t nbyte, __off_t offset);
__ssize_t pwrite(int fildes, const void *buf, __size_t nbyte, __off_t offset);
#  if __USE_OFF64_T
#   pragma __extern_prefix __restore
#  endif

# else

#  if __CRTL_VER >= 70311000
__ssize_t pread(int fildes, void *buf, __size_t nbyte, __off_t offset);
__ssize_t pwrite(int fildes, const void *buf, __size_t nbyte, __off_t offset);
#  endif
# endif
#endif

/*
**  Restore the users pointer context
*/
#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size __restore
#endif

#ifdef __cplusplus
    }
#endif

#pragma __standard
#endif /* __UNISTD_LOADED */