decrypt[3] binary

 

#include <stdio.h>
#include <string.h>

int main()
{
 char *str = "01000010011010010110111001100001011100100111100100100000011011010110000101101011011001010111001100100000011000010010000001101100001100110011001101110100001000000111001101101001011001110010111000101110";

 int len = strlen(str);
 int i;
 int j;
 unsigned char ch = 0;
 for (i=0; i<len;)
 {
  
  for (j=7; j>=0; j--, i++)
  {
   //printf("str[%d]: %c, j: %d\n", i, str[i], j);
   
   if (str[i] == '1')
    ch |= (1<<j);
   //printf("%x, %c\n", ch, ch);
   if (i == len)
   {
    printf("the last char: %c\n", ch);
   }
  }
  printf("%c", ch);
  ch = 0;
 }
 printf("l  1\n");

 return 0;
}