Memcpy () joins the ranks of other popular functions like strcpy , strncpy , strcat , strncat which were banned due to their security vulnerability through buffer overruns .
memcpy（）加入到strcpy，strncpy，strcat，strncat等常用函数的队伍中，都是由于可通过缓存溢出进行安全攻击而被禁用。
strcat