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FCNTL.H
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C/C++ Source or Header
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1997-02-28
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114 lines
/* fcntl.h
Define flag values accessible to open.
*/
/*
* C/C++ Run Time Library - Version 8.0
*
* Copyright (c) 1987, 1997 by Borland International
* All Rights Reserved.
*
*/
/* $Revision: 8.1 $ */
#if !defined(__FCNTL_H)
#define __FCNTL_H
#if !defined(___DEFS_H)
#include <_defs.h>
#endif
#if !defined(RC_INVOKED)
#if defined(__STDC__)
#pragma warn -nak
#endif
#endif /* !RC_INVOKED */
#if defined(__FLAT__)
#if defined(__cplusplus)
extern "C" {
#endif
int _RTLENTRY _EXPFUNC _pipe(int *phandles, unsigned int psize, int textmode);
#if defined(__cplusplus)
}
#endif
#endif /* __FLAT__ */
extern int _RTLENTRY _fmode;
/* The first three can only be set by open */
#if !defined(__FLAT__)
#define O_RDONLY 1
#define O_WRONLY 2
#define O_RDWR 4
#else
#define O_RDONLY 0
#define O_WRONLY 1
#define O_RDWR 2
#define O_ACCMODE 3 /* mask for file access modes */
#endif /* __FLAT__ */
/* Flag values for open only */
#define O_CREAT 0x0100 /* create and open file */
#define O_TRUNC 0x0200 /* open with truncation */
#define O_EXCL 0x0400 /* exclusive open */
/* The "open flags" defined above are not needed after open, hence they
are re-used for other purposes when the file is running. Sorry, it's
getting crowded !
*/
#define _O_RUNFLAGS 0x0700
#define _O_WRITABLE 0x0100 /* file is not read-only */
#define _O_EOF 0x0200 /* set when text file hits ^Z */
/* a file in append mode may be written to only at its end.
*/
#define O_APPEND 0x0800 /* to end of file */
/* MSDOS special bits */
#define O_CHANGED 0x1000 /* user may read these bits, but */
#define O_DEVICE 0x2000 /* only RTL\io functions may touch. */
#define O_TEXT 0x4000 /* CR-LF translation */
#define O_BINARY 0x8000 /* no translation */
/* DOS 3.x options */
#define O_NOINHERIT 0x80
#define O_DENYALL 0x10
#define O_DENYWRITE 0x20
#define O_DENYREAD 0x30
#define O_DENYNONE 0x40
#if defined(__MFC_COMPAT__)
#define _O_APPEND O_APPEND
#define _O_BINARY O_BINARY
#define _O_CREAT O_CREAT
#define _O_EXCL O_EXCL
#define _O_NOINHERIT O_NOINHERIT
#define _O_RANDOM O_RANDOM
#define _O_RAW O_BINARY
#define _O_RDONLY O_RDONLY
#define _O_RDWR O_RDWR
#define _O_TEXT O_TEXT
#define _O_TRUNC O_TRUNC
#define _O_WRONLY O_WRONLY
#endif
#if !defined(RC_INVOKED)
#if defined(__STDC__)
#pragma warn .nak
#endif
#endif /* !RC_INVOKED */
#endif /* __FCNTL_H */