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From: Ted Dennison <dennison@telepath.com>
Subject: Re: put a character back to the input stream
Date: 1999/10/25
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In article <3811B324.D0CC49A3@hotmail.com>,
  sy278@is9.nyu.edu wrote:
> which i read a character each time
> "name + 342"
> when i found a digit, i know the whole thing's gonna be a number, so i
> put the read digit back, then read the whole number. the same thing
> happens for the string too. so i need a function to put back the
> current read character back to avoid lose the first character.

It sounds like you are doing lexical analysis on a stream of characters.
That's exactly what OpenToken was created to do. It will handle
all the minutia about reading, analyzing, and buffering characters for
you. Unless this is a homework assignment, I encourage you to check it
out at http://www.telepath.com/dennison/Ted/OpenToken/OpenToken.html

--
T.E.D.


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