C++类中static不计算入sizeof
int MyParam::b = 10;int MyParam::z = 10;int main(){ MyParam p; MyParam dest; p.a = 10; p.b = 2; p.c = 4; memcpy(&dest, &p, sizeof(MyParam)); printf("sizeof(MyParam)=%d\n", sizeof(MyParam)); printf("%d %d %d\n", p.a, p.b, p.c); printf("%d %d %d\n", dest.a, dest.b, dest.c);}