TTYN(III) 1/15/73 TTYN(III)





TTYN(III)                    1/15/73                    TTYN(III)







NAME

     ttyn - return name of current typewriter



SYNOPSIS

     jsr     pc,ttyn



     ttyn(file)





DESCRIPTION

     Ttyn hunts  up  the  last  character  of  the  name  of  the

     typewriter  which  is  the  standard  input  (from as) or is

     specified by the argument file descriptor (from C).  If n is

     returned, the typewriter name is then ``/dev/ttyn''.



     x is returned if the indicated file does not correspond to a

     typewriter.
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