HJ's patch to libio works on Red Hat 4.2/libc 5.3.12

[H.J. Lu]

> 
> I installed HJ's patch, as modified according to Ulrich's suggestion,
> and all libio tests pass on a straight Red Hat 4.2 system.

Glad to hear that.

> as important, though the "completely separate libio" option is still
> a possibility.

I don't like to see it. As pointed out by Ulrich, many optimizations
and operations can only be done with libio in libc. But on the
other hand, I don't mind to see egcs with glibc.


-- 
H.J. Lu (hjl@gnu.ai.mit.edu)