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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c
Subject: Re: Sort char array
Date: Mon, 14 Oct 2019 08:17:10 -0700
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Xref: csiph.com comp.lang.c:146953

Anton Shepelev <anton.txt@gmail.com> writes:

> Can C's va_arg facilily be extended with the ability to
> query the type of each argument rather than to require it?
> This would make it possible to implement a typed tprintf()
> without type specifiers:
>
> tprintf( "My name is %, and I am % years old.\n", "Bob", 8 );

This example, and others like it, can already be done in standard
C11 using _Generic and variadic macros (and of course defining an
underlying function to do the actual printing).  No extension to
varargs is needed.