> MSVC supports C11 and C17, minus the C99 stuff that was made optional in C11. Sure they do now. They were particularly slow at implementing a bunch of C99 st

> MSVC supports C11 and C17, minus the C99 stuff that was made optional in C11. Sure they do now. They were particularly slow at implementing a bunch of C99 stuff, some of it landing only in VS 2019 https://learn.microsoft.com/en-us/cpp/overview/visual-cpp-language-conformance?view=msvc-170#c-standard-library-features-1 https://learn.microsoft.com/en-us/cpp/overview/visual-cpp-la... MSVC has long lagged in C support because they focused on that subset of C standards that were required for C++. https://herbsutter.com/2012/05/03/reader-qa-what-about-vc-and-c99/ https://herbsutter.com/2012/05/03/reader-qa-what-about-vc-an...