tdb: combine dead_space helper from summary.c and check.c
[ccan] / ccan / avl /
drwxr-xr-x   ..
-rw-r--r-- 1638 _info
-rw-r--r-- 10232 avl.c
-rw-r--r-- 3713 avl.h
drwxr-xr-x - test