container_of: don't put member_ptr in container_off.
[ccan] / ccan / darray /
drwxr-xr-x   ..
lrwxrwxrwx 22 LICENSE -> ../../licenses/BSD-MIT
-rw-r--r-- 1067 _info
-rw-r--r-- 11889 darray.h
drwxr-xr-x - test