1 files changed, 12 insertions, 0 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index 0ef66647..c3bb51c1 100644
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -4,4 +4,16 @@
 #define __BEGIN_DECLS extern "C" {
 #define __END_DECLS   }
 
+#define __dead __attribute__((__noreturn__))
+
+#define __used	 __attribute__((__used__))
+#define __unused __attribute__((__unused__))
+
+#define __packed     __attribute__((__packed__))
+#define __aligned(x) __attribute__((__aligned__(x)))
+
+#define __malloc __attribute__((__malloc__))
+
+#define __pure __attribute__((__pure__))
+
 #endif