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From: "John Saunders" <john.saunders@scitec.com.au>
To: "Michael Ryan" <mike@NetworX.ie>, "Jonathan Chen" <jonc@pinnacle.co.nz>
Cc: "FreeBSD Support" <questions@FreeBSD.ORG>
Subject: RE: Mystery with pipe(), fork() and dup()
Date: Tue, 22 Dec 1998 14:09:06 +1100
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> I know.  In the context of my program
> 	if (pid == 0)
> means the child process will execute the code, whereas
> 	if (pid)
> means the parent process will execute the code.

In the context of your program, (pid == 0) means that the
output of grep is piped into more. But for (pid) it means
that the output of more is piped into grep. A certain
recipe for screwing up the output of more.

Cheers.
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