[Haskell] Win32 process spawning, POpen and Hugs, revisited

[Ross Paterson]

On Wed, Mar 17, 2004 at 10:47:59AM +0000, Graham Klyne wrote:
> So this (alone) is not enough.  I did also try using "a" and "ab", but no 
> joy there, either.  This starts to point to some interaction between the 
> I/O library and Windows anonymous pipe.  My C code (which works as 
> expected) uses the _write function (equiv. Unix "write") directly on the 
> returned file descriptor.

Can you try fdopen+fwrite in your C code?