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- .th TTYN III 1/15/73
- .sh NAME
- ttyn \*- return name of current typewriter
- .sh SYNOPSIS
- .ft B
- jsr pc,ttyn
- .s3
- ttyn(file)
- .s3
- .ft R
- .sh DESCRIPTION
- .it Ttyn
- hunts up the last character of the name of the
- typewriter which is the standard input (from \fIas\fR)
- or is specified by the
- argument
- .it file
- descriptor (from C).
- If \fIn\fR is returned, the
- typewriter name is then ``/dev/tty\fIn\fR''.
- .s3
- .bd x
- is returned if the indicated file does not correspond to a
- typewriter.
- .sh BUGS
-