diff: shrink code (-85 bytes):
function                                             old     new   delta
fiddle_sum                                             8       -      -8
diffreg                                             2717    2690     -27
prepare                                              334     284     -50
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/2 up/down: 0/-85)             Total: -85 bytes

s/ATTRIBUTE_ALWAYS_INLINE/ALWAYS_INLINE/g

diff --git a/networking/zcip.c b/networking/zcip.c
index 3b67a03..eb0a7ba 100644
--- a/networking/zcip.c
+++ b/networking/zcip.c
@@ -149,7 +149,7 @@
 /**
  * Return milliseconds of random delay, up to "secs" seconds.
  */
-static unsigned ATTRIBUTE_ALWAYS_INLINE ms_rdelay(unsigned secs)
+static unsigned ALWAYS_INLINE ms_rdelay(unsigned secs)
 {
 	return lrand48() % (secs * 1000);
 }