On Tuesday, 28 January 2025 at 15:00:13 UTC, Jonathan M Davis
wrote:
[...]
-betterC was originally intended to be a tool for making it
easier to port C code to D code (after which, the idea was that
-betterC would no longer be used, and you would just have a
normal D program).
[...]
- Jonathan M Davis
I thought a further goal of -betterC was to ease D's use in
adding further features to existing C programs, by making the
linkage effort small.
Certainly (though only as a near-trivial hobbyist) I have used
-betterC in that way.