D mentioned on Rust discussions site

[Araq]

On Wednesday, 20 May 2020 at 21:30:16 UTC, Walter Bright wrote:
>
> Languages that are used over long periods of time evolve 
> greatly after 1.0. Fortran, Basic, C++, Java, Perl, Pascal, 
> Python, C#, D, etc. C is a notable exception.

Before Ansi C came along, C lacked function prototypes and 
"const". I think an Ansi Standard came way later after "C version 
1.0", whatever that really was.