November 1991
Volume 9 Number 11

OPERATING SYSTEMS

A Multithreading Library In C For Subsumption Architecture

By Richard F. Man
Here's the source code for a real-time executive, originally developed for a robotics control application.

OTHER FEATURES

Doing Fractions In C++

By Steve Zeidler
Add more precise arithmetic to your application by using this C++ class to represent fractions.

X Window Programming, Part 5: X Toolkit Programming

By Eric F. Johnson and Kevin Reichard
Here's some practical insight into how the Xt Toolkit will affect your design alternatives.

Register Usage Strategies (Article unavailable in electronic form)

By Daniel Mann and Brett Stewart
Compilers are getting smarter about register usage. This article surveys current technology.

Image Processing, Part 5: Writing Images To Files And Basic Edge Detection

By Dwayne Phillips
This installment shows how to write TIFF files and how to detect edges.

COLUMNS

Standard C

P. J. Plauger

Doctor C's Pointers

Rex Jaeschke

Stepping Up To C++

Dan Saks

Questions & Answers

Ken Pugh

CUG New Releases

Kenji Hino

BOOK REVIEW

The Complete Modem Reference

Reviewed by Jonathan Ward

DEPARTMENTS

Editor's Forum

New Products

We Have Mail