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Development resources

BSD Sockets: A Quick And Dirty Primer

Crash course in programming BSD sockets

The Kame Project

Project to develop IPv6 and IPsec stack for use in BSD-based operating systems. Included in the OpenBSD sources since OpenBSD 2.7 Release.

OpenBSD commit stats

Statistics on the number, type, and originator of commits to the OpenBSD CVS repository.

OpenBSD Hardware Sensors �� Environmental Monitoring and Fan Control

A Master of Mathematics in Computer Science graduate thesis around the topic of hardware monitoring and fan control from the point of view of OpenBSD hardware sensors framework. In addition to a thorough discussion of OpenBSD, the thesis also touches the topic of hardware monitoring in other operating systems, like NetBSD, FreeBSD and DragonFly BSD, and lm_sensors in GNU/Linux. [PDF]

Porting BSD UNIX to a New Platform

Paper discussing what is entailed in porting the BSD codebase to a new architecture.

PPP userland tools

Latest docs and sources for userland PPP for OpenBSD.

Quiet Computing with BSD

Fan control with sysctl hw.sensors and lm(4) on OpenBSD and DragonFly BSD.

strlcpy and strlcat--Consistent, Safe, String Copy and Concatenation

Whitepaper by OpenBSD developers Todd C. Miller and Theo de Raadt discussing secure programming functions for manipulating strings.