diff --git a/libc/include/fcntl.h b/libc/include/fcntl.h
new file mode 100644
index 000000000..db343f6ea
--- /dev/null
+++ b/libc/include/fcntl.h
@@ -0,0 +1,8 @@
+#pragma once
+
+#define O_RDONLY	(1 << 0)
+#define O_WRONLY	(1 << 1)
+#define O_RDWR		(O_RDONLY | O_WRONLY)
+#define O_ACCMODE	(O_RDONLY | O_WRONLY)
+#define O_EXCL		(1 << 2)
+#define O_CREAT		(1 << 3)