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Date: Sat, 21 Dec 1996 20:42:12 -0800 (PST)
From: Steve Reid <steve@edmweb.com>
To: questions@freebsd.org, ports@freebsd.org
Subject: png port and zlib
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I'm trying to install the Mosaic port, which requires the png port. I get
an error when trying to build png: 

In file included from png.c:12:
png.h:66: zlib.h: No such file or directory

I guess I need zlib. Where can I get it? There's no mention of it in the
ports collection.