Strongly recommend checking out Retro68 and cross compiling from a newer machine: https://github.com/autc04/Retro68 https://github.com/autc04/Retro68 There are

Strongly recommend checking out Retro68 and cross compiling from a newer machine: https://github.com/autc04/Retro68 https://github.com/autc04/Retro68 There are some really good Retro68 code examples out there as well. I started compiling a list here, including a couple of my own: https://henlin.net/2021/12/21/Cool-Retro68-projects/ https://henlin.net/2021/12/21/Cool-Retro68-projects/ As a few other folks have said, the inside Macintosh books are extremely valuable references for Mac-specific code. I keep pdfs of them open the whole time I’m working on my Macintosh projects.