It uses libcurl and gumbo (https://github.com/google/gumbo-parser https://github.com/google/gumbo-parser). Gumbo is apparently written in pure C99 (interestingl

It uses libcurl and gumbo (https://github.com/google/gumbo-parser https://github.com/google/gumbo-parser). Gumbo is apparently written in pure C99 (interestingly Curl is written in the even older C89 standard). Will've been more amusing if article was written considering that and used C99.