From: "Todd C. Miller" <millert@openbsd.org>
Subject: Re: -portable gotd progress
To: Stefan Sperling <stsp@stsp.name>
Cc: gameoftrees@openbsd.org
Date: Sun, 20 Aug 2023 16:17:22 -0600

Are there systems where program_invocation_short_name is available
but __progname is not?  As far as I know, glibc on Linux also defines
__progname.  Is there a reason to prefer program_invocation_short_name
over __progname?

 - todd