linux libio status

[Jason Merrill]

>>>>> Peter Seebach <seebs@monolith.solon.com> writes:

> In message < u9zpoarh0w.fsf@yorick.cygnus.com >, Jason Merrill writes:

>> This is why we have a NULL macro.  The gcc stddef.h provides an appropriate
>> definition, so we can put

>> #undef NULL
>> #define __need_NULL
>> #include <stddef.h>
>> #undef __need_NULL

>> somewhere strategic, and that should do the trick.

> Well, strictly speaking, I don't think that's correct - I *believe* a
> user who has not included <stddef.h> is allowed to assume that not everything
> in it is defined.

That's why we define __need_NULL.  That tells the gcc stddef.h that we only
want the definition of NULL, and nothing else.

Jason