daumas@frensl61.bitnet (Marc Daumas) (04/12/91)
Thanks to every one. I got more than ten answer, all very interesting. In fact, davew@cs.UMD.EDU have allready explain the main problem for the net. I just have to add the remark of mittle@watson.ibm.com. He explains that both versions compile and run correctly under ATT C++ 2.1 -- Marc Daumas