/**
 * Writing bits into a variable
 * Requires that one command line arg.  That 
 * arg mist be a binary string and it should be 
 * at least 8 bits
 * 
 * @author gtowell
 * Created: April 2021
 * **/

#include <stdio.h>
#include <stdlib.h>
int main(int argc, char const *argv[])
{
    unsigned char aa = 0;
    for (int i = 0; i < 8; i++)
    {
        if (argv[1][i] == '\0')
            break;
        aa <<= 1;
        if (argv[1][i] == '1')
            aa |= 1;
    }
    printf("%d\n", aa);
    return 0;
}