That's not a bad point for many cases. I was pointing out that the coding rule in the upper comment to always use puts, and never printf, is bad advice. I am

That's not a bad point for many cases. I was pointing out that the coding rule in the upper comment to always use puts, and never printf, is bad advice. I am glad to hear you mention network coding. More people should do that, so fewer people make statements like, "always use puts for writing strings, never printf."