#include <stdio.h>

void printBits(int i)
{
   int k;

   for (k = 31; k >= 0; k--)
      if ( (i & (1 << k)) == 0 )
         putchar('0');
      else
         putchar('1');
}


int main()
{
   /*
       01000000101000000000000000000000

       IEEE 754 code:  0 10000001 01000000000000000000000
                       ^ ^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^
                       +    = 2    = 1.01 
   */

   int i = 0b01000000101000000000000000000000;   // Binary constant

   void *p = &i;

   printf("\n\nInternally, i is stored as: ");
   printBits(i);
   printf("\n\n");

   printf("Show i as int:   %d\n",     *(int *)p );
   printf("Show i as float: %f\n",   *(float *)p );
}