f82() is hash function which hashes a unt64_t 8 byte unsigned integer key to a uint16_t 2 byte hash value. It belongs to the class of tabulation hashing functions and is perfect for implementing lock-less hash tables and other data structures that require an uniform and perfect distribution.
RPCL is a minimalistic configuration and control language, especially designed to act as a CLI for daemon-like background processes. RPCL is an acronym for Reverse Polish Configuration (or Control) Language.
When uniform random numbers are needed in C, just applying modulo is not enough. Whith using random() for portability and a few calculations this can be easily fixed.
C23, formally ISO/IEC 9899:2024, is the current open standard for the C programming language, which supersedes C17 (standard ISO/IEC 9899:2018).