tal: add tal_dup_or_null and tal_dup_talarr helpers.
[ccan] / ccan / tal / link /
drwxr-xr-x   ..
lrwxrwxrwx 25 LICENSE -> ../../../licenses/BSD-MIT
-rw-r--r-- 3338 _info
-rw-r--r-- 2029 link.c
-rw-r--r-- 1949 link.h
drwxr-xr-x - test