#define O_WRONLY 01
#define O_RDWR 02
+#define F_DUPFD_CLOEXEC 1030
+
#define F_RDLCK 0
#define F_WRLCK 1
#define F_UNLCK 2
#define S_IRWXO 0007
#endif
+#ifdef _GNU_SOURCE
+#define FAPPEND O_APPEND
+#define FFSYNC O_FSYNC
+#define FASYNC O_ASYNC
+#define FNONBLOCK O_NONBLOCK
+#define FNDELAY O_NDELAY
+#endif
+
#ifdef __cplusplus
}
#endif