I need a SysV select()

[Doug Gwyn]

In article <9738 at sol.ARPA> jpayne at cs.rochester.edu (Jonathan Payne) writes:
>I want to get input
>from either the keyboard or from some other file description.  I don't
>want to sit around polling the two, because that would be ridiculous.

If you set MIN and TIME to 0 in the terminal handler, then an attempt
to read from the terminal with no data available will return immediately.
There is nothing analogous for ordinary files.