[ECOS] tty driver

Perry Wang perrywang@nmnc.com
Tue Dec 21 14:56:00 GMT 1999

> Also, cyg_io_read returns -1 when user send backspace at the beginning of
> the line.  This is self-explanatory if you look at the code.

I meant to say that cyg_io_read writes back -1 (or whatever it equates to as
unsigned) to the "len" parameter.

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