/* int z11 =sizeof(int); //4 int z12 = sizeof(char); //1 int z13 = sizeof(unsigned char); //1 int z14 = sizeof(unsigned short int); //2 int z15 = sizeof(unsigned int); //4 int z16 = sizeof(unsigned short);//2 1个字节8位;1个F是4位;所以1个字节是FF=255; */
原文：https://www.cnblogs.com/enych/p/12449707.html