#include <stdio.h>

#include <gsl/gsl_permutation.h>

int

main (void) 

{

  gsl_permutation * p = gsl_permutation_alloc (3);

  gsl_permutation_init (p);

  do 

   {

      gsl_permutation_fprintf (stdout, p, " %u");

      printf ("\n");

   }

  while (gsl_permutation_next(p) == GSL_SUCCESS);

  gsl_permutation_free (p);

  return 0;

}