I occasionally get asked about whether, or how well, Visual C++ supports C99. This week, I just posted two replies to this questions on UserVoice (merged below). Last fall, I also answered it in an interview with Dr. Dobb’s (recommended for some rationale discussion). The short answer is that Visual C++’s focus is to support ISO C code that is supported by ISO C90 or ISO C++ (98 or 11). For the lo