To be honest, given that they're (Mutiny) using mainframes, it's highly doubtful that they would've been programming in C during that era. They much more likely would've been using a Fortran derivative or PL/1 (with a dash of [heaven forbid] Assembly language!). C programmers would've been using Minicomputers (or…

Slight anachronism: The Swap Meet guys wouldn't have been using C++. While C++ certainly existed at that point, it was used mostly/exclusively within academia. Commercial coding (to the extent it was using data structures, etc. [and not "spaghetti code"]) would likely have been taking place in C, not C++. Just…