#ifndef __FCNTL_LOADED
#define __FCNTL_LOADED
/****************************************************************************
**
**  <fcntl.h> - File control information
**
*****************************************************************************
**  Header introduced by the ISO POSIX-1 Standard
*****************************************************************************
**
**  Copyright 2000 Compaq Computer Corporation
**
**  Compaq and the Compaq logo Registered in U.S. Patent and Trademark Office.
**
**  Confidential computer software. Valid license from Compaq 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.
**
******************************************************************************
*/

#pragma __nostandard 
#include <decc$types.h>
#ifdef __cplusplus
    extern "C" {
#endif

#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size __save
#   pragma __pointer_size 64
#endif


/*  
**  `cmd' values for fcntl()
*/  
#define  F_DUPFD     0
#define  F_GETFD     1
#define  F_SETFD     2
#define  F_GETFL     3
#define  F_SETFL     4
#define  F_GETLK     7
#define  F_SETLK     8
#define  F_SETLKW    9


/*  
**  File descriptor flags used for fcntl()
*/  
#define  FD_CLOEXEC  1


/*  
**  `l_type' values for record locking with fcntl()
*/  
#define  F_RDLCK     1
#define  F_WRLCK     2
#define  F_UNLCK     3


/* 
**  ISO POSIX-1 defines some values for the flags argument to open()
**  and specifies that they reside here.  For compatibility with 
**  DEC C V5.0 and prior, the an old set of flags is duplicated in <file.h>
*/

    /* 
    **  This group is shared with <file.h>
    */ 
#ifndef O_RDONLY 
#   define O_RDONLY  000
#   define O_WRONLY  001
#   define O_RDWR    002
#   define O_APPEND  010
#   define O_CREAT   01000
#   define O_TRUNC   02000
#   define O_EXCL    04000
#endif

    /* 
    **  This group is not in file.h
    */ 
#define O_ACCMODE   003
#define O_NOCTTY    010000    /* not implemented */

#if __CRTL_VER >= 70000000
#   define O_NONBLOCK  0100000
#endif

/* 
**  X/Open specifies that this header defines mode_t, pid_t, off_t.  Define
**  them for X/open mode, or for a default compilation, unless they were
**  previously defined or the user requested DECC V4 compatibility.
*/
#if defined _XOPEN_SOURCE || !defined _POSIX_C_SOURCE
#   if !defined __MODE_T  && !defined _DECC_V4_SOURCE
#       define __MODE_T
        typedef __mode_t mode_t;
#   endif

#   if !defined __OFF_T  && !defined _DECC_V4_SOURCE
#       define __OFF_T
        typedef __off_t off_t;
#   endif

#   if !defined __PID_T  && !defined _DECC_V4_SOURCE
#       define __PID_T
        typedef __pid_t pid_t;
#   endif

    /*
    **  Define seek modes.
    */
#   define  SEEK_SET  0
#   define  SEEK_CUR  1
#   define  SEEK_END  2

    /* 
    **  Constants for file status flags for open() and fcntl()
    */ 
#   define  O_SYNC    00040000    /* not implemented */

#endif

/* 
**  DEC C Extensions
*/ 
#ifndef _POSIX_C_SOURCE
    /* 
    **  O_NDELAY is shared with <file.h>.  O_NONBLOCK is the
    **  standard flag for similar behavior.
    */ 
#   ifndef O_NDELAY
#       define O_NDELAY  004
#       define O_NOWAIT  004
#   endif

#endif


/*
**  structure used in calls to fcntl()
*/
struct flock {
    short  l_type;
    short  l_whence;
    __off_t  l_start;
    __off_t  l_len;
    __pid_t  l_pid;
};


/*
**  ISO POSIX-1 function prototypes
*/
int fcntl   (int __fd, int __cmd, ...);

    /* 
    **  The function open in DEC C V4.0 had a required mode_t parameter if in
    **  strict ANSI mode.  This is not standard conforming, so it it here for
    **  compatibility only.
    */ 
#if defined _DECC_V4_SOURCE && defined __HIDE_FORBIDDEN_NAMES
    int open (const char *__file_spec, int __flags, __mode_t __mode, ...);
#else
    int open (const char *__file_spec, int __flags, ...);
#endif


/* 
**  DEC C extends creat with extra parameters when not in strict POSIX mode.
*/
#ifndef _POSIX_C_SOURCE
    int creat (const char *__file_spec, __mode_t __mode, ...);
#else
    int creat (const char *__file_spec, __mode_t __mode);
#endif


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

#ifdef __cplusplus
    }
#endif
#pragma __standard
#endif  /* __FCNTL_LOADED */