/* checking whether <= etc can be used on strings to test
 * lexicographic order.  In the examples I have seen, 
 * C has been assigning variables to memory addresses in 
 * decreasing order. Hence inputting a lexico.-smaller
 * string first followed by a higher one will give the
 * desired contradiction (assuming your compiler/run does 
 * the same).   */

#include <stdio.h>
#include <stdlib.h>

int main(void) {
  char sone[12], stwo[12];
  printf("Input 1 please: ");
  scanf("%s", sone);
  printf("/nInput 2 please: ");
  scanf("%s", stwo);
  if (sone <= stwo) 
    printf("%s is less than %s.\n", sone, stwo);
  else
    printf("%s is less than %s.\n", stwo, sone);
  return EXIT_SUCCESS;
}