maint: refactor copy to use is_nul()
[coreutils/ericb.git] / old / 
treeceaacd4ae10553ce1e22639b82ecf1c211cd7598
drwxr-xr-x   ..
drwxr-xr-x - fileutils
drwxr-xr-x - sh-utils
drwxr-xr-x - textutils