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Solutions to the 7 easiest NCPC17 problems

Liboop is a low-level event loop management library for POSIX-based operating systems. It supports the development of modular, multiplexed applications which may respond to events from several sources. It replaces the “select() loop” and allows the registration of event handlers for file and network I/O, timers and signals. Since processes use these mechanisms for almost all external communication, liboop can be used as the basis for almost any application.

Initially developed by Dan Egnor, liboop is now maintained by Niels Möller and Per Cederqvist.