In article <200006131457.AAA13379@balrog.supp.cpr.itg.telecom.com.au>,
Simon Burge <simonb@netbsd.org> wrote:
> 
> Would something like:
> 
> 	if ((signed char)a[0] < 0 || (signed char)b[0] < 0)
> 
> work?

So that we don't depend on "signed"

(a[0] | b[0]) & 0x80

with an appropriate comment, of course.

christos