43 lines
991 B
C++
43 lines
991 B
C++
|
/* fcntl.h
|
|||
|
|
|||
|
Define flag values accessible to open.
|
|||
|
|
|||
|
Copyright (c) Borland International 1987
|
|||
|
All Rights Reserved.
|
|||
|
*/
|
|||
|
#if __STDC__
|
|||
|
#define _Cdecl
|
|||
|
#else
|
|||
|
#define _Cdecl cdecl
|
|||
|
#endif
|
|||
|
|
|||
|
extern unsigned _Cdecl _fmode;
|
|||
|
|
|||
|
/* The first three can only be set by open */
|
|||
|
|
|||
|
#define O_RDONLY 1
|
|||
|
#define O_WRONLY 2
|
|||
|
#define O_RDWR 4
|
|||
|
|
|||
|
/* 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 */
|
|||
|
#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
|
|||
|
|