container_of: don't put member_ptr in container_off.
[ccan] / ccan / strmap /
drwxr-xr-x   ..
-rw-r--r-- 1474 _info
-rw-r--r-- 5177 strmap.c
-rw-r--r-- 6115 strmap.h
drwxr-xr-x - test