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 pathname 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