Help with C clearenv and setenv

[Eliot Moss]

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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