Date:	Mon, 26 Jul 93 09:11:46 -0400
From:	DJ Delorie <dj AT ctron DOT com>
To:	chan AT turing DOT scs DOT carleton DOT ca
Cc:	djgpp AT sun DOT soe DOT clarkson DOT edu
Subject:	Re: page

fseek is capable of seeking relative to the current position:

skip_backward(int file, int amount)
{
  fseek(file, -amount, 1);
}

Zero says from the begining, one is from current, two is from end.
Negative amounts mean backward.

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