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From: zu@ethz.UUCP (Urs Zurbuchen)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Environment settings from a C program
Message-ID: <231@bernina.UUCP>
Date: Wed, 28-Oct-87 06:49:02 EST
Article-I.D.: bernina.231
Posted: Wed Oct 28 06:49:02 1987
Date-Received: Sat, 31-Oct-87 14:03:14 EST
References: <700@hsi.UUCP> <2400@bcsaic.UUCP> <2434@bcsaic.UUCP>
Reply-To: zu@bernina.UUCP (Urs Zurbuchen)
Organization: ETH Zuerich, CS Department, Switzerland
Lines: 15
Keywords: ms-dos environ putenv getenv turboc

In article <2434@bcsaic.UUCP> paula@bcsaic.UUCP (Paul Allen) writes:
> ... Another poster
>described a way to change command.com's environment by following the
>chain of parent PSP pointers until you find command.com's.  Passing "set
>foo=bar" to int 2EH seems considerably easier to me.

You forget one thing: Using Int 2Eh you can't set a variable to a string
longer than about 120 characters. The exact amount depends on the length
of the variablename. You only can execute commands of a total length of
128 (or 127) characters.


		...urs

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