-# define inline inline __attribute__ ((always_inline))
-# define __noreturn __attribute__ ((noreturn))
-# define __malloc __attribute__ ((malloc))
-# define __a_unused __attribute__ ((unused))
+#define inline inline __attribute__ ((always_inline))
+#define __noreturn __attribute__ ((noreturn))
+#define __malloc __attribute__ ((malloc))
+#define __a_unused __attribute__ ((unused))
+#define __a_aligned(alignment) __attribute__((__aligned__(alignment)))
+