char/signed char/unsigned char: 1个字节；\x0d\x0achar*(即指针变量):\x0d\x0a2个字节（16位编译器）\x0d\x0a4个字节（32位编译器）\x0d\x0a8个字节（64位编译器）\x0d\x0ashort int: 2个字节\x0d\x0aint/unsigned int:\x0d\x0a2个字节（16位编译器）\x0d\x0a4...
short int: 2个字节 int/unsigned int:2个字节（16位编译器）4个字节（32/64位编译器）long int: 4个字节 float: 4个字节 double: 8个字节 long double: 8/10/12/16?long/unsigned long:4个字节（16/32位编译器）8个字节（64位编译器）long long: 8个字节 string: 字符个数+1 上面的...