On the topic of C, I'd also strongly recommend mandoc[1]. It solves a number of hard problems (indexing and searching of man pages, rendering and parsing markup

On the topic of C, I'd also strongly recommend mandoc[1]. It solves a number of hard problems (indexing and searching of man pages, rendering and parsing markup and translating said markup to HTML, PDF and tty output. The code remains fairly accessible. Definitely one of the codebases I regularly refer to for style and practices. [1] https://mandoc.bsd.lv/cgi-bin/cvsweb/ https://mandoc.bsd.lv/cgi-bin/cvsweb/