This section describes the functions in the various specialized libraries, including string-pattern matching (libgen), common fibre channel HBA information (libhbaapi), kernel statistics (libkstat), kernel VM (libkvm), layout services (liblayout), locality group (liblgrp), mathematical (libm), user mailbox (libmail), multiple precision (libmp), common multipath management (libmpapi), and vector math (libmvec). Readers of this section should be familiar with C programming language constructs.