der Mouse wrote:

> Am I correct in inferring that people really don't like the idea of
> making the interface easy to use correctly, preferring to require
> application authors to be sufficiently C-wizardly to (a) realize that
> the current macros demand aligned buffers and (b) either come up with a
> way to arrange that, or bite the bullet and arrange to use malloc?

Use an array of intmax_t then.  That is architecture dependent.