I seem to be catching downvotes, but I did read the article. The text right before the rand_r() code box reads: This is the code of the rand() function, which

I seem to be catching downvotes, but I did read the article. The text right before the rand_r() code box reads: This is the code of the rand() function, which looks familiar: That has to count as at least a typo, but I think it's a bigger editing-type problem.