/usr/lib/ruby/vendor_ruby/ffi/callback.rb is in ruby-ffi 1.0.11debian-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | #
# All the code from this file is now implemented in C. This file remains
# to satisfy any leftover require 'ffi/callback' in user code
#
|