OK, shows me for skimming too much. There apparently used to be a cfree though it appears to be equivalent to free. I upvoted rwg's comment regarding CERT's S

OK, shows me for skimming too much. There apparently used to be a cfree though it appears to be equivalent to free. I upvoted rwg's comment regarding CERT's Secure Coding wiki. memset_s is the correct solution given it is part of the C11 standard.