// @@ identifier src, dst; identifier str, len; type t =~ "struct"; @@ ( - memset(&dst, 0, sizeof(t)); + memset(&dst, 0, sizeof(dst)); | - memcpy(&dst, &src, sizeof(t)); + memcpy(&dst, &src, sizeof(dst)); | - char str[...]; ... - memset(&str, 0, ...); + memset(&str, 0, sizeof(str)); )