C H A P T E R  9

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C-Style Data Types

Working with data types in packetC introduces some interesting dynamics that will initially require care and extra thought by C developers from time to time given some of the restrictions, mostly due to strong type enforcement. The notion of casting and the strong casting rules is imperative to ensuring code works as expected. Packets are modeled as arrays of bytes and working with portions of packets is essential to making sense of the data. In packetC, the notion of an array slice was introduced to allow for direct access to portions of byte arrays without the need for pointers and for keeping them in line ...

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