If you want a FFI that's arguably even nicer, look at PicoLisps: http://rosettacode.org/wiki/Call_a_function_in_a_shared_library#PicoLisp http://rosettacode.or

If you want a FFI that's arguably even nicer, look at PicoLisps: http://rosettacode.org/wiki/Call_a_function_in_a_shared_library#PicoLisp http://rosettacode.org/wiki/Call_a_function_in_a_shared_libr... (setq Display (native "/usr/lib/libX11.so.6" "XOpenDisplay" 'N ":0.0"))