gcc-2.97: Problems building libio for targets i[3456]86-pc-msdosdjgpp

[Eli Zaretskii]

> From: Andris Pavenis <pavenis@latnet.lv>
> Date: Wed, 11 Oct 2000 18:37:04 +0200
> 
> It seems to be conflict between libioP.and genops.c
> in genops.c. (different return types which brokes libio build when
> _IO_off_t and _IO_pos_t are different types).

It looks like the different types are indeed the problem.
Unfortunately, I don't know enough about libio to understand why does
it use two different types for the same function.