Re: libc6! Cross compilation issues

[Roland McGrath <roland@frob.com>]

> Okay, understood. At a later step, we may want to add code for all
> suboptimal programs. For now, let me ask a further question: What about
> MAXHOSTNAMELEN? If there is no fixed value for this, how can I determine the
> value at run time?

This (PATH_MAX) is a case where there is no generic run-time limit either.
You can use pathconf/fpathconf to find the limit (if any) on a particular
filesystem.  If it returns -1, then there is no calculable limit at all.