-#define O_ACCMODE 03
-#define O_RDONLY 00
-#define O_WRONLY 01
-#define O_RDWR 02
-
#define O_CREAT 0100
#define O_EXCL 0200
#define O_NOCTTY 0400
#define O_TRUNC 01000
#define O_APPEND 02000
#define O_NONBLOCK 04000
-#define O_SYNC 010000
+#define O_DSYNC 010000
+#define O_SYNC 04010000
+#define O_RSYNC 04010000
#define O_DIRECTORY 0200000
#define O_NOFOLLOW 0400000
#define O_CLOEXEC 02000000
-#ifdef _GNU_SOURCE
-#define O_NDELAY O_NONBLOCK
#define O_ASYNC 020000
#define O_DIRECT 040000
+#define O_LARGEFILE 0100000
#define O_NOATIME 01000000
-#define F_DUPFD_CLOEXEC 1030
-#define FAPPENT O_APPEND
-#define FFSYNC O_FSYNC
-#define FASYNC O_ASYNC
-#define FNONBLOCK O_NONBLOCK
-#define FNDELAY O_NDELAY
-#endif
+#define O_NDELAY O_NONBLOCK
#define F_DUPFD 0
#define F_GETFD 1
#define F_SETOWN 8
#define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
#define F_GETLK 12
#define F_SETLK 13
#define F_SETLKW 14
-#define FD_CLOEXEC 1
-
-#define F_RDLCK 0
-#define F_WRLCK 1
-#define F_UNLCK 2
-
-#define AT_FDCWD (-100)
-#define AT_SYMLINK_NOFOLLOW 0x100
-#define AT_REMOVEDIR 0x200
-#define AT_SYMLINK_FOLLOW 0x400
-#define AT_EACCESS 0x200
-
-#define POSIX_FADV_NORMAL 0
-#define POSIX_FADV_RANDOM 1
-#define POSIX_FADV_SEQUENTIAL 2
-#define POSIX_FADV_WILLNEED 3
-#define POSIX_FADV_DONTNEED 4
-#define POSIX_FADV_NOREUSE 5
+#define F_SETOWN_EX 15
+#define F_GETOWN_EX 16