DynaLoader(3pm) on Linux
The text b5834892fc7c, as Debian 2.0 (Hamm) shipped it.
Dynamically load C libraries into Perl code dl_error(), dl_findfile(), dl_expandspec(), dl_load_file(), dl_find_symbol(), dl_find_symbol_anywhere(), dl_undef_symbols(), dl_install_xsub(), dl_load_flags(), bootstrap() - routines used by DynaLoader modules