Hi,

In message "Re: Why is I/O slow?"
    on 02/06/21, Paul Brannan <pbrannan / atdesk.com> writes:

|What about using setvbuf()?  It's part of the C standard, and can be
|used to turn buffering on or off.  The default buffering cannot be
|known, but the buffer size and/or buffering method can be changed.

But, to avoid double copying we are talking, I think we need to know
how buffer is used, which is implementation dependent.  If I am
missing something, tell me.  It should be a good news.

							matz.