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From: pjw@rabbit.UUCP (peter weinberger)
Newsgroups: net.lang
Subject: loops counting down
Message-ID: <2418@rabbit.UUCP>
Date: Sun, 22-Jan-84 10:49:17 EST
Article-I.D.: rabbit.2418
Posted: Sun Jan 22 10:49:17 1984
Date-Received: Tue, 24-Jan-84 01:25:56 EST
Organization: AT&T Bell Laboratories, Murray Hill
Lines: 6

C does not encourage loops counting down (although it must
plead guilty on register declarations):  in our kernel (modified 4.1)
there are exactly 7 counting-down loops [matching for.*--],
2 of which are maintaining first-in-first-out, one is a cheap decimal
conversion, 3 have early exits, and only one (in vmpt.c)
of which is gratuitous.