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/∗
libF77.a

DIAGNOSTICS

The function ttynam returns an empty string (all blanks) if lunit is not associated with a terminal device in the directory /dev. 

SunOS 5.0  —  Last change: 07 July 1995