The C Standard Committee doesn’t actually ship a compiler the way the people behind Java, Python, Lua, C#, Go, Rust, etc. do. The best they can do is deprecate

The C Standard Committee doesn’t actually ship a compiler the way the people behind Java, Python, Lua, C#, Go, Rust, etc. do. The best they can do is deprecate particular functions and hope compiler writers and standard library writers follow along. But the compiler writers have vocal customers who insist the depreciations are overly-cautious.