How to extract a .7z file within C++?

What library need I use? I searched me through the net, but I couldn't find out which dev-package I need, nor the API documentation.
Took me all of 30 microseconds to find links:

https://duckduckgo.com/?q=7-zip+c%2B%2B+library&t=ffsb&ia=web

including the LZMA SDK (Software Development Kit) at the main 7-Zip site:

https://www.7-zip.org/sdk.html
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