Tweaking the program name for <err.h> functions

[Andreas Schwab]

On Mär 09 2024, Alejandro Colomar wrote:

> There's not a portable way to configure them, AFAIK.  You could say it's
> glibc and musl's fault, for importing the err.h functions without
> importing setprogname(3).

When glibc imported err, setprogname didn't exist yet.

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Andreas Schwab, schwab at linux-m68k.org
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