Binprint.c

#include <stdio.h>

int N = 3;
int A[10];

void print_bin()
{
    int i;
    for(i = 0; i < N; i++)
        printf("%d", A[i]);
    printf("\n");
}

void bin_gen(int index)
{
    if(index >= N)
    {
        print_bin();
        return;
    }


    A[index] = 0;
    bin_gen(index+1);


    A[index] = 1;
    bin_gen(index+1);
}

int main()
{
    bin_gen(0);
}