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Easy · networking · Quant Developer interview question · networking, ipv4, bit-manipulation, pack-unpack, sockaddr-in, network-byte-order
High-frequency trading (HFT) systems require manual bitwise manipulation of network data to minimize latency by avoiding standard library overhead. A common task in low-level networking for feed handlers and order gateways is converting IPv4 addresses between their octet representation and a uint32_t integer. This problem focuses on implementing the packing and unpacking logic for IPv4 addresses using bit-shifting, a crucial skill for inspecting raw network packets. Task Implement two C++ funct