unsigned char 二进制 输出解决办法

unsigned char 二进制 输出
我从一个二进制文件读取一个unsigned char  类型数据 大小为1 byte,
怎样获取这个数据的每一位？即 01010001 形式 并且打印输出
------解决思路----------------------

unsigned char dat;

char binstr[9];

binstr[8]=0;

for(int i=0,k=1;i<8;i++,k=(k<<1))

{

        binstr[7-i]=( (dat&k)==0?'0':'1' );                

}

//输出binstr

或者，整一个256个元素的字符串数组，把从0到255的二进制字符串先写好。需要输出的时候，直接去找到相应的字符串就可以了。
------解决思路----------------------

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <locale.h>

int main() {

    int i,v;

    char bs[33];

    char b[33];

    char hs[9];

    char h[9];

    char s[4];

    char *e;


// 十进制整数转二进制串；

    i=1024;

    ltoa(i,b,2);

    sprintf(bs,"%032s",b);

    printf("i=%d,bs=%s\n",i,bs);

// 十进制整数转十六进制串；

    i=1024;

    ltoa(i,h,16);

    sprintf(hs,"%08s",h);

    printf("i=%d,hs=%s\n",i,hs);

// 十六进制字符串转成十进制数

    strcpy(hs,"00000400");

    sscanf(hs,"%x",&i);

    printf("hs=%s,i=%d\n",hs,i);

// 二进制字符串转化为十六进制字符串；

    strcpy(bs,"00000000000000000000010000000000");

    i=strtol(bs,&e,2);

    ltoa(i,h,16);

    sprintf(hs,"%08s",h);

    printf("bs=%s,hs=%s\n",bs,hs);

// 二进制字符串转化为十进制数；

    strcpy(bs,"00000000000000000000010000000000");

    i=strtol(bs,&e,2);

    printf("bs=%s,i=%d\n",bs,i);

// 十六进制字符串转成二进制串

    strcpy(hs,"00000400");

    sscanf(hs,"%x",&i);

    ltoa(i,b,2);

    sprintf(bs,"%032s",b);

    printf("hs=%s,bs=%s\n",hs,bs);

// ASC\GBK字符串转十六进制串

    strcpy(s,"a汉");

    i=0;

    while (1) {

        if (0==s[i]) break;

        sprintf(hs+i*2,"%02X",(unsigned char)s[i]);

        i++;

    }

    setlocale(LC_ALL,"chs");

    printf("s=%s,hs=%s\n",s,hs);

// 十六进制字符串转成汉字（GBK）及字符(ASC)

    strcpy(hs,"61BABA");

    i=0;

    while (1) {

        if (1!=sscanf(hs+i*2,"%2x",&v)) break;

        s[i]=(char)v;

        i++;

    }

    s[i]=0;

    printf("hs=%s,s=%s\n",hs,s);


    return 0;


}

//i=1024,bs=00000000000000000000010000000000

//i=1024,hs=00000400

//hs=00000400,i=1024

//bs=00000000000000000000010000000000,hs=00000400

//bs=00000000000000000000010000000000,i=1024

//hs=00000400,bs=00000000000000000000010000000000

//s=a汉,hs=61BABA

//hs=61BABA,s=a汉