A couple of I/O questions

[Peter Dudey <pdudey@jupiter.Willamette.EDU>]

1)  How do I turn the string "13" into the fixnum 13?

2)  Is there any way to move the cursor around the screen, so I might
build what amounts to an editor?  (Actually, I'm writing a program to play
the oriental game of Go, and I'd like the user to be able to move the
cursor around the board and select a move, rather than typing in coordinates.)

Thanks.

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