1 files changed, 3 insertions, 0 deletions
diff --git a/lib/birdlib.h b/lib/birdlib.h
index d21cdf1f..aaa7a0a3 100644
--- a/lib/birdlib.h
+++ b/lib/birdlib.h
@@ -37,6 +37,9 @@ struct align_probe { char x; long int y; };
 #define ABS(a)   ((a)>=0 ? (a) : -(a))
 #define DELTA(a,b) (((a)>=(b))?(a)-(b):(b)-(a))
 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a)))
+#define BYTES(n) ((((uint) (n)) + 7) / 8)
+#define CALL(fn, args...) ({ if (fn) fn(args); })
+#define ADVANCE(w, r, l) ({ r -= l; w += l; })
 
 
 /* Bitfield macros */