A full explanation of the STREAMS I/O facilities, this guide details how to use those facilities for writing UNIX System V kernel modules and device drivers. STREAMS is a general, flexible facility for the development of input/output services in UNIX System V. This book is a comprehensive guide to STREAMS for network and system programmers, including the latest information on: STREAMS programming interfaces; STREAMS in a multiprocessing environment; STREAMS drivers and multiplexors; STREAMS debugging and utilities.