1 files changed, 35 insertions, 0 deletions

diff --git a/v4.0/src/TOOLS/BLD/INC/FCNTL.H b/v4.0/src/TOOLS/BLD/INC/FCNTL.H
new file mode 100644
index 0000000..08ad549
--- /dev/null
+++ b/v4.0/src/TOOLS/BLD/INC/FCNTL.H
@@ -0,0 +1,35 @@
+/***
+*fcntl.h - file control options used by open()
+*
+*   Copyright (c) 1985-1988, Microsoft Corporation.  All rights reserved.
+*
+*Purpose:
+*   This file defines constants for the file control options used
+*   by the open() function.
+*   [System V]
+*
+*******************************************************************************/
+
+#define O_RDONLY    0x0000  /* open for reading only */
+#define O_WRONLY    0x0001  /* open for writing only */
+#define O_RDWR      0x0002  /* open for reading and writing */
+#define O_APPEND    0x0008  /* writes done at eof */
+
+#define O_CREAT     0x0100  /* create and open file */
+#define O_TRUNC     0x0200  /* open and truncate */
+#define O_EXCL      0x0400  /* open only if file doesn't already exist */
+
+/* O_TEXT files have <cr><lf> sequences translated to <lf> on read()'s,
+** and <lf> sequences translated to <cr><lf> on write()'s
+*/
+
+#define O_TEXT      0x4000  /* file mode is text (translated) */
+#define O_BINARY    0x8000  /* file mode is binary (untranslated) */
+
+/* macro to translate the C 2.0 name used to force binary mode for files */
+
+#define O_RAW   O_BINARY
+
+/* Open handle inherit bit */
+
+#define O_NOINHERIT 0x0080      /* child process doesn't inherit file */