On 2015-04-13, Reco <recoverym4n@gmail.com> wrote: > > *ANSI* C - yes. For instance, gcc has this wonderful '-ansi' switch. > It's even possible to choose the exact version of ANSI C standard (i.e. > -std=c99). > *K&R* C - no. At least, gcc-4.7 has no switch for this that I'm > aware of. > -traditional ? But incompatibilities. https://gcc.gnu.org/onlinedocs/gcc-3.2/gcc/Incompatibilities.html