Hi
Please accept the attached patch. It fixes blocking text output (-t) in case iftop is run as subprocess (without ptty).
It also contains a few whitespace cleanups in tui.c.
Author: Georg Schoelly ges@open.ch
Cheers, Roman
PGP key: http://pgp.mit.edu/pks/lookup?search=rha%40open.ch&op=index