??????????
????1??strncpy??strncpy?????????????????????
????2????memcpy()??memmove()???????????е??????????
????3: memcpy()??memmove()???????????????????????????
????4:???????????????????????????д?????????????????????????????????????????
?????????
????/*************************************************/
????1.strcpy()????
????/*************************************************/
????1 ????
????char *strcpy(char* dest?? const char *src);
????2 ????
???????src???????????NULL????????????????????dest??????????
????3 ???????????
??????src????????????src?β??’