NAME
ttynam, isatty - find name of terminal port; also: is unit a
terminal?
SYNOPSIS
character*(*) function ttynam (lunit)
logical function isatty (lunit)
DESCRIPTION
The function ttynam returns a blank-padded path name of the
terminal device associated with logical unit lunit.
The function isatty returns .true. if lunit is associated
with a terminal device, .false. otherwise.
FILES
/dev/*
libfui.a
DIAGNOSTICS
The function ttynam returns an empty string (all blanks) if
lunit is not associated with a terminal device in the direc-
tory /dev.