Alex Shinn <xxxxxx@gmail.com> writes:

> Yes, exactly.  But R5RS ports built on native ports can offer high performance.

Not as high as the primitive I/O layer.

>> Can you show me how the C library does it?  I can't find it offhand.
>
> See the O_DIRECT option to open(2).

But this is about cache at the OS level (at least that's what the
FreeBSD man page says), not buffering at the C library level, which
deals with FILE* descriptors.  What does this have to do with seeking?

--
Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla