libmagic?

[Scott Webster]

There's also one in imagemagick...

On Wed, Sep 14, 2011 at 2:27 PM, Jeremy Lavergne
<jeremy at lavergne.gotdns.org> wrote:
>> I am porting a C++ library from Linux to OS X and when I build it with
>> one of the MacPorts C++ compilers the compiler can't find the
>> <magic.h> system header.  I tried "port search magic" and found
>> nothing that seemed appropriate.   Any suggestions?
>
> Not sure if it's the same magic.h that you're after, but check out the port "file":
>
>
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