Index: uspace/lib/libc/include/fcntl.h
===================================================================
--- uspace/lib/libc/include/fcntl.h	(revision 72bde81acaa9c2c39b124ad814001c2046dbb66d)
+++ uspace/lib/libc/include/fcntl.h	(revision 6cbed0124fbe6940cc077ef1a11c5370436df417)
@@ -36,4 +36,12 @@
 #define LIBC_FCNTL_H_
 
+#define O_CREAT		1
+#define O_EXCL		2
+#define O_TRUNC		4
+#define O_APPEND	8
+#define O_RDONLY	16
+#define O_RDWR		32
+#define O_WRONLY	64
+
 extern int open(const char *, int, ...);