On Sun, May 28, 2006 at 03:31:53PM +0100, Rui Paulo wrote:
> > +		extern int errno;
> 
> You don't need to do this, at least for NetBSD, if you include <errno.h>.

Actually doing so is completely unportable as well.
The standards require errno to be a 'modifyable lvalue of type int',
in particular it's definition could easily be:

extern int *__errno(void);
#define errno (*__errno())

so that the value in a threaded program it is (correctly) per-thread.

	David

-- 
David Laight: david@l8s.co.uk