From owner-freebsd-questions  Tue Oct 23  8:17:24 2001
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Date: Tue, 23 Oct 2001 11:15:38 -0400
From: Matt Spong <spong@baked.net>
To: Cliff Sarginson <cliff@raggedclown.net>
Cc: Giorgos Keramidas <charon@labs.gr>,
	Matthew Blacklow <matthew.blacklow@ticca.com>,
	freebsd-questions <freebsd-questions@FreeBSD.ORG>
Subject: Re: C clue on FreeBSD again!
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> The return value from "system" won't be of much use to you, it will
> only indicate if the "system" call managed to successfully exec the
> program you asked it to.=20

No, system() returns -1 if fork() failed, 127 if executing the shell
failed, and the return value of the process otherwise.

> Actually, "system" is also a highly
> unportable thing to use, if that is of any importance to you.

True.  But this is how it works on both FreeBSD and Linux.

Matt

--=20
Matt Spong || spong@baked.net || AIM: Spong1027 || http://www.forkbomb.net

 "Those who desire to give up freedom in order to gain security, will not
 have, nor do they deserve, either one."               -Benjamin Franklin

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