diff --git a/lib/libc/include/sys/types.h b/lib/libc/include/sys/types.h
new file mode 100644
index 0000000..91b81e8
--- /dev/null
+++ b/lib/libc/include/sys/types.h
@@ -0,0 +1,10 @@
+#ifndef SYS_TYPES_H_
+#define SYS_TYPES_H_
+
+#include <mango/types.h>
+
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
+
+#endif