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Signed-off-by: Adarsh <Adarshbunny293@gmail.com>

docs/doxygen/Doxymain.md

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-[P4 (Programming Protocol-independent Packet Processors)](https://p4.org/) is a language for expressing how packets are processed by the data-plane of a programmable network element, e.g.(hardware or software switch, Smart-NIC, and network function appliance).
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 [P4 (Programming Protocol-independent Packet Processors)](https://p4.org/) is a language for expressing how packets are processed by the data-plane of a programmable network element, e.g.(hardware or software switch, Smart-NIC, and network function appliance).
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 P4C is the official open-source reference compiler for the [P4](https://p4.org/) programming language, supporting both P4-14 and P4-16.
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 ## Features of P4C
 
 - Provides compatibility for all versions of %P4.