NAME

ttynam, isatty − find name of a terminal port

SYNTAX

character*(*) function ttynam (lunit) logical function isatty (lunit)

DESCRIPTION

The ttynam subroutine returns a blank padded path name of the terminal device associated with logical unit lunit.

The isatty subroutine returns .true. Otherwise, if lunit is associated with a terminal device, .false. 

DIAGNOSTICS

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

FILES

/dev/∗
/usr/lib/libU77.a