Logout from inside a program - help!

[John M]

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    Relay-Version: version B UNSW 1.0 3/14/84; site physiol.OZ
    From: mcb%lll-tis.arpa at lll-tis.ARPA
    Date: Mon, 1-Oct-84 08:27:34 AEST
    Newsgroups: net.unix-wizards
    Subject: Logout from inside a program - help!
    Message-ID: <12340 at sri-arpa.UUCP>
    Path: physiol!psych44!basser!munnari!mulga!decvax!genrad!wjh12!harvard!seismo!hao!hplabs!sri-unix!mcb%lll-tis.arpa at lll-tis.ARPA
    Date-Received: Thu, 27 Sep 84 12:36:42 AEST
    Lines: 39
    
    From:  "Michael C. Berch" <mcb%lll-tis.arpa at lll-tis.ARPA>
    
>    The rationale for a logout() system call makes more sense to me
>    now, considering that many people are writing applications that
>    involve logging out from inside programs such as menus, integrated 
>    software packages, etc., that do not run as login shells.

WHY?  If they don't run as login shells, they should!!!!