On Fri, 2007-04-06 at 05:01 -0700, John (Eljay) Love-Jensen wrote: > Hi Stephen, > > > Is my use of a 64-bit constant valid? > > If by "valid" you mean strictly ISO 14882 compliant: no. > > If by "valid" you mean a GCC extension to use "long long" to represent 64-bit integers: yes. What is a ISO 14882 compliant way of representing a 64-bit constant value? Stephen