-#define O_ACCMODE 0x0003
-#define O_RDONLY 0x0000
-#define O_WRONLY 0x0001
-#define O_RDWR 0x0002
-#define O_APPEND 0x0008
-#define O_SYNC 0x0010
-#define O_NONBLOCK 0x0080
-#define O_CREAT 0x0100 /* not fcntl */
-#define O_TRUNC 0x0200 /* not fcntl */
-#define O_EXCL 0x0400 /* not fcntl */
-#define O_NOCTTY 0x0800 /* not fcntl */
-#define FASYNC 0x1000 /* fcntl, for BSD compatibility */
-#define O_LARGEFILE 0x2000 /* allow large file opens - currently ignored */
-#define O_DIRECT 0x8000 /* direct disk access hint - currently ignored*/
-#define O_DIRECTORY 0x10000 /* must be a directory */
-#define O_NOFOLLOW 0x20000 /* don't follow links */
-#define O_NOATIME 0x100000
-
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000