memcpy与memcpy_s、memmove与memmove_s、sprintf与sprintf_s的区别
1、memcpy与memcpy_s:两函数原型:void*memcpy(void*restricts1,constvoid*restricts2,size_tn);errno_tmemcpy_s(void*dest,//dest:目标的地址size_tnumberOfElements,//numberOfElements:目标的sizeconstvoid*src,//src:源地址size_tco