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1.1 ! root 1: .th TTYN III 1/15/73 ! 2: .sh NAME ! 3: ttyn \*- return name of current typewriter ! 4: .sh SYNOPSIS ! 5: .ft B ! 6: jsr pc,ttyn ! 7: .s3 ! 8: ttyn(file) ! 9: .s3 ! 10: .ft R ! 11: .sh DESCRIPTION ! 12: .it Ttyn ! 13: hunts up the last character of the name of the ! 14: typewriter which is the standard input (from \fIas\fR) ! 15: or is specified by the ! 16: argument ! 17: .it file ! 18: descriptor (from C). ! 19: If \fIn\fR is returned, the ! 20: typewriter name is then ``/dev/tty\fIn\fR''. ! 21: .s3 ! 22: .bd x ! 23: is returned if the indicated file does not correspond to a ! 24: typewriter. ! 25: .sh BUGS
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