Yes. At least C99. Also, the blog throws in "and C++" in parentheses. C++ is another beast altogether -- it diverged from C a long time ago -- read Scott Meyer

Yes. At least C99. Also, the blog throws in "and C++" in parentheses. C++ is another beast altogether -- it diverged from C a long time ago -- read Scott Meyer's "Effective Modern C++" if you think C and C++ bear any resemblance.