Vorbis dev - Jul 2005 - Underscores in BCB making vorbisfile unusable

Hello friends!  Somebody obtained to compile the example vorbis tool decoder? 
When I compile in the Borland Builder or DJGPP, occurs the error:
"undefined reference you ' _ ov_open '" 
as well as the message of the homepage: 
http://www.ogghelp.com/ogg/about.cfm?view=3

What she is necessary to make to compile and to function?

I do not have interest in using libs nor the DLL, therefore I want to execute in
an exclusive platform.  For the time being I want to test in Windows 2000.

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