Also, K&R does many things the wrong way for expediency. It's fine if you know that already, but newbies do not know that. The main critique of Zed seems to be

Also, K&R does many things the wrong way for expediency. It's fine if you know that already, but newbies do not know that. The main critique of Zed seems to be that he didn't say it was impossible to protect a C function from the caller. So what? There is a big difference between his suggested style and the style you'd get from an uncritical reading of K&R, even though neither is 100% safe from the caller.