Posts - Page 2

  • Varargs in c and Objective-C

    Variadic arguments in c, and how to use them in Objective-C

    With varargs, as their name suggests (var-args), you can define a function or method that takes a variable number of arguments...

    2018
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  • A Simple OpenIKEd site-to-site VPN

    How to setup a simple site-to-site OpenIKEd based VPN on OpenBSD

    For the benefit of future users, this article details the setup process for a simple site-to-site VPN using OpenIKEd with pre-shared keys on OpenBSD 5.8/5.9...

    2016
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  • The Problem with rand(3)

    Not all random numbers are created equal

    Some random numbers are less random than others, and most are less random then you think. This entry outlines some of the flaws in the standard 'c' libraries random number generators...

    2016
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