opt: add allocator setting.
[ccan] / ccan / container_of /
drwxr-xr-x   ..
lrwxrwxrwx 18 LICENSE -> ../../licenses/CC0
-rw-r--r-- 1340 _info
-rw-r--r-- 3152 container_of.h
drwxr-xr-x - test