/*
Matt Kretchmar
September 3, 2014
Program to illustrate the "endian" of a machine by displaying byte order of an int
*/
#include <stdio.h>

int main ( void )
{
   int i;
   // char * points to first byte of int, must use typecast to avoid warning.
   unsigned char *ptr = (unsigned char *)&i;

   i = 0xf6543210;
   // print the int as hex, signed int, unsigned int
   printf("%x\n",i);
   printf("%d\n",i);
   printf("%u\n",i);

   
   unsigned char c;

   c = *ptr;    // get first byte
   printf("First Byte : %x\n",c);
   ptr++;       // advance pointer to next byte
   c = *ptr;
   printf("Second Byte : %x\n",c);
   ptr++;
   c = *ptr;
   printf("Third Byte : %x\n",c);
   ptr++;
   c = *ptr;
   printf("Fourth Byte : %x\n",c);

   return 0;
}