二进制打印与逆序_C语言（转）

//二进制逆序 by MoreWindows( http://blog.csdn.net/MoreWindows )
#include <stdio.h>

//二进制打印函数
template <class T>
void PrintfBinary(T a)
{
    int i;
    for (i = sizeof(a) *  - ; i >= ; --i)
    {
        if ((a >> i) & )
            putchar('');
        else
            putchar('');
        if (i == )
            putchar(' ');
    }
    putchar('\n');
}
int main()
{
    printf("二进制逆序 \n\n");

    printf("逆序前:    ");
    unsigned short a = 0x1FFF;
    PrintfBinary(a);
    a = ((a & 0xAAAA) >> ) | ((a & 0x5555) << );
    a = ((a & 0xCCCC) >> ) | ((a & 0x3333) << );
    a = ((a & 0xF0F0) >> ) | ((a & 0x0F0F) << );
    a = ((a & 0xFF00) >> ) | ((a & 0x00FF) << );

    printf("逆序后:    ");
    PrintfBinary(a);

    printf("false   ");
}

转自：http://blog.csdn.net/MoreWindows