Little_endian or Big_endian

//Little_endian:CPU对操作数的存储方式是低字节在低地址；(Intelx86)

//Big_endian   :CPU对操作数的存储方式是低字节在高地址；

#include

using namespace std;

 

int CheckCPU()
{
    union w
    {
        int a;
        char b;
    }c;
    c.a=1;
    return (c.b==1);//Little_endian(==1)
}

 

int main()
{
    int temp;
    temp=CheckCPU();
    if(temp)
        cout<<"Little_endian"<    else
        cout<<"Big_endian"<    return 0;
}