2.11BSD#431 - /usr/man/cat3f/isatty.0

TTYNAM(3F)	    UNIX Programmer's Manual	       TTYNAM(3F)


NAME
     ttynam, isatty - find name of a terminal port

SYNOPSIS
     character*(*) function ttynam (lunit)

     logical function isatty (lunit)

DESCRIPTION
     Ttynam returns a blank padded path name of the terminal dev-
     ice associated with logical unit lunit.

     Isatty returns .true. if lunit is associated with a terminal
     device, .false. otherwise.

FILES
     /dev/*
     /usr/lib/libU77.a

DIAGNOSTICS
     Ttynam returns an empty string (all blanks) if lunit is not
     associated with a terminal device in directory `/dev'.


Printed 11/26/99	  May 15, 1985				1