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From: Gleb Popov <6yearold@gmail.com>
Date: Mon, 18 May 2015 19:47:29 +0300
Message-ID: <CALH631=n1hW+=Xh2dmrF=N=nU=CtWSrT1SwMhnS1oGzdwAn=rQ@mail.gmail.com>
Subject: Strange manual pages at freebsd.org/cgi/man.cgi
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Hello.

I've stumbled upon this manual page [1], but where mut.h comes from. I take
it is provided by some port, since `man naturalstrcmp` yields nothing in
fresh FreeBSD install.

[1]
https://www.freebsd.org/cgi/man.cgi?query=naturalstrcmp&sektion=3&manpath=FreeBSD+10.1-RELEASE+and+Ports