2005的表达

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#include <iostream>
 
int main()
{
    using namespace std;
    cout << "bool:\t\t" << sizeof(bool) << " bytes" << endl;
    cout << "char:\t\t" << sizeof(char) << " bytes" << endl;
    cout << "wchar_t:\t" << sizeof(wchar_t) << " bytes" << endl;
    cout << "short:\t\t" << sizeof(short) << " bytes" << endl;
    cout << "int:\t\t" << sizeof(int) << " bytes" << endl;
    cout << "long:\t\t" << sizeof(long) << " bytes" << endl;
    cout << "float:\t\t" << sizeof(float) << " bytes" << endl;
    cout << "double:\t\t" << sizeof(double) << " bytes" << endl;
    cout << "long double:\t" << sizeof(long double) << " bytes" << endl;

这是从作者的奔腾4机输出，使用Visual Studio 2005的表达：

bool:           1 bytes
char:           1 bytes
wchar_t:        2 bytes
short:          2 bytes
int:            4 bytes
long:           4 bytes
float:          4 bytes
double:         8 bytes
long double:    8 bytes