http://d.puremagic.com/issues/show_bug.cgi?id=2364 ------- Comment #2 from matti.niemenmaa+dbugzilla at iki.fi 2008-10-09 12:17 ------- Nope, see for instance http://en.wikipedia.org/wiki/64-bit#64-bit_data_models or try MSVC yourself: sizeof(long) == 4. --