There's a few things in C that are not in C++ that MSVC added. Designated initializers and type-generic macros are two features that come to mind, and I believe

There's a few things in C that are not in C++ that MSVC added. Designated initializers and type-generic macros are two features that come to mind, and I believe MSVC also supports C99 restrict. The only non-optional C11 feature I can think of that MSVC doesn't support these days is _Atomic.