From: Aaron Marcher <me@drkhsh.at>
Date: Wed, 28 Mar 2018 16:26:56 +0000 (+0200)
Subject: Get rid of err.h as it is not portable
X-Git-Url: https://git.xinqibao.xyz/slstatus.git/commitdiff_plain/96f3a8a54eeb3b2294ed953dad8b15349f3e2703?hp=96f3a8a54eeb3b2294ed953dad8b15349f3e2703

Get rid of err.h as it is not portable

Replace warn() and warnx() with fprintf() and add <stdio.h> where
necessary.
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