What does HackerNews think of c99-to-c89?

Tool to convert C99 code to MSVC-compatible C89

Language: C

Cake – A C23 compiler frond end written from scratch in C | Sep 2022
You and this guy ought to get together:

https://github.com/libav/c99-to-c89

GCC and C vs C++ Speed, Measured | Mar 2013
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https://github.com/libav/c99-to-c89/
C11, yo | Jan 2013
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c) sort of exists in the form of https://github.com/libav/c99-to-c89, although currently it only supports the subset of c99 that FFmpeg uses.