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FreeBSD has setenv but not clearenv

From: Colin Watson
Subject: FreeBSD has setenv but not clearenv
Date: Wed, 5 Jun 2013 10:10:22 +0100
User-agent: Mutt/1.5.21 (2010-09-15)


I've had multiple reports (https://savannah.nongnu.org/bugs/?36848,
https://bugs.gentoo.org/show_bug.cgi?id=244517) telling me that FreeBSD
is missing the clearenv function, even though it has setenv.  It would
be very helpful if Gnulib could handle this.  Is "environ = NULL;"
portable, or does it need something cleverer?


Colin Watson                                       address@hidden

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