How to unzip a .zip file (using C++ builder)

Hi, I need to know how can I unzip a file located in C:\Program files\ to this same directory, but I can't have any dialogs being shown during the process.

Cheers
luizblink182Asked:
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monkesdbCommented:
you need to get zlib or zziplib. zlib is the full thing whereas zziplib is a thirdparty lightweight alternative

http://www.gzip.org/zlib/
http://zziplib.sourceforge.net/

you should find examples on how to use them on their sites
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luizblink182Author Commented:
I already tried to use those. No success.
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JensUniwebCommented:
http://www.info-zip.org/ is another library for zip files.
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JensUniwebCommented:
gzip and zip are diffrent things. And now zip have there version 9 which is not compatable with the old versions. I don't think info-zip supports zip version 9.
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luizblink182Author Commented:
I didn't get how to use these libraries.

Can anyone give me the code to extract a zip file into a specified directory? That's all I need.
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George TokasCommented:
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JensUniwebCommented:
Is it realy code you need or how you use them in your enviroment?? What enviroment are you using. Windows, Unix? GCC, VC++, VC .NET, BCB or any other?

Look at this link for some code. Don't know if that helps you.

http://www.stillhq.com/cgi-bin/cvsweb/~checkout~/howto-zlib/example.c?rev=1.1.1.1&content-type=text/plain
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