Recursive functions in C and printf

Question

So, first of all I\'m a total beginner in C, we\'re studying it at University on the course \'Structured Programming\'.

Now, the last few lectures about \'Recursive func

Answer 1

If one wants to print recursively the bits of a char with leading zeros, he may use following code:

#include 

void print_bit_iter(char x, int n)
{
    int bit = (x & (1 << n - 1)) != 0;
    printf("%d", bit);

    if(n != 0)
      print_bit_iter(x, n - 1);
}

int main()
{
  print_bit_iter('U', 8);
}

This will have

01010101

as the output.