From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Perry Wang" <perrywang@nmnc.com>
To: <ecos-discuss@sourceware.cygnus.com>
Subject: RE: [ECOS] tty driver
Date: Tue, 21 Dec 1999 14:56:00 -0000
Message-id: <NDBBKBNDILCIAEJMGDCGGEEICBAA.perrywang@nmnc.com>
References: <NDBBKBNDILCIAEJMGDCGOEEHCBAA.perrywang@nmnc.com>
X-SW-Source: 1999-12/msg00039.html

> 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.