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Reply-To:	moss AT cs DOT umass DOT edu
Subject:	Re: Help with C clearenv and setenv
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From:	Eliot Moss <moss AT cs DOT umass DOT edu>
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Date:	Thu, 31 May 2018 08:15:55 -0400
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On 5/30/2018 11:56 PM, Marco Atzeri wrote:
 > On 5/30/2018 4:48 PM, Sam Habiel wrote:

 > environ = calloc(1, sizeof(*environ))

Indeed, this does not surprise me since environ is supposed
to be a pointer to an array of char *, whose last entry is
NULL.  So the above line is the one needed.  It *might*
also work to do something like:

char *dummy = NULL;
environ = &dummy;

This avoids an allocation call.

-- Eliot Moss

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