输入一个十六进制的数，然后按位输出2进制形式

//输入一个十六进制的数，然后按位输出2进制形式#include <stdio.h>#include <Windows.h>void showbit(int Num){    typedef unsigned char uc;    uc* pbite = (uc*)&Num;    for (int j=0;j<4;j++)    {        uc cBit = *pbite;        for (int i=0;i<8;i++)        {            //putchat(0x80&cBit ? '1':'0');            if (0x80 & cBit)                putchar('1');//printf("%c",'0');            else                putchar('0');            cBit = cBit << 1;//cBit <<= 1;        }        putchar(' ');        pbite++;        system("pause");    }}int main(){    int i = 0x61626364;    showbit(i);    return 0;}