2011/9/23 John P. Hartmann <jphartmann_at_gmail.com>:
> Might you be overlooking that sizeof() is not a constant expression?
>
> You'd have to select the format at runtime?

Yes at runtime.

For these intended to be kept simple to compile/link examples, which
have a single *.c source code file, it could be done for example using
a header file that implemented a function that returns proper size_t
print format and a macro definition which simply called the function.

Later on in source file wanting to use it it, it is just a matter of
including the header file and using the macro as format specifier.

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