I tried this on an HP9000 Series 800 Model 835 (a PA-RISC machine) and it did not crash. The program got an "Illegal Instruction" and dumped core, but nothing worse happened (I ran the program several times). Paul Gootherts Hewlett-Packard Co Internet: pdg at hpda.hp.com UUCP: {hplabs,ucbvax}!hpda!pdg