TTYN (III) 1/15/73 TTYN (III) NAME ttyn -- return name of current tty SYNOPSIS jsr pc,ttyn DESCRIPTION The routine hunts up the name of the input tty attached to the process (one byte from the set {012345678abc} at present) and returns it in r0. "x" is returned if no genuine input tty is at- tached to the process. FILES kept in /lib/liba.a SEE ALSO fstat(II) DIAGNOSTICS -- BUGS --