musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/include/fcntl.h b/include/fcntl.h
index 1c18c6e2..24678b21 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h

@@ -34,6 +34,8 @@ int posix_fallocate(int, off_t, off_t);

#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