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 --