Atlas - FCNTL.H
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[FILE BEGIN]
1/***
2*fcntl.h - file control options used by open()
3*
4*   Copyright (c) 1985-1988, Microsoft Corporation.  All rights reserved.
5*
6*Purpose:
7*   This file defines constants for the file control options used
8*   by the open() function.
9*   [System V]
10*
11*******************************************************************************/
12
13#define O_RDONLY    0x0000  /* open for reading only */
14#define O_WRONLY    0x0001  /* open for writing only */
15#define O_RDWR      0x0002  /* open for reading and writing */
16#define O_APPEND    0x0008  /* writes done at eof */
17
18#define O_CREAT     0x0100  /* create and open file */
19#define O_TRUNC     0x0200  /* open and truncate */
20#define O_EXCL      0x0400  /* open only if file doesn't already exist */
21
22/* O_TEXT files have <cr><lf> sequences translated to <lf> on read()'s,
23** and <lf> sequences translated to <cr><lf> on write()'s
24*/
25
26#define O_TEXT      0x4000  /* file mode is text (translated) */
27#define O_BINARY    0x8000  /* file mode is binary (untranslated) */
28
29/* macro to translate the C 2.0 name used to force binary mode for files */
30
31#define O_RAW   O_BINARY
32
33/* Open handle inherit bit */
34
35#define O_NOINHERIT 0x0080      /* child process doesn't inherit file */
36
[FILE END]
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