DynaLoader(3pm) on Linux
The text 6e64ff67516d, as Debian 1.1 (Buzz) shipped it.
Dynamically load C libraries into Perl code dl_error(), dl_findfile(), dl_expandspec(), dl_load_file(), dl_find_symbol(), dl_undef_symbols(), dl_install_xsub(), boostrap() - routines used by DynaLoader modules