void i4vec_print ( int n, int a[], char *title );
int *i4vec_uniform_ab_new ( int n, int a, int b, int *seed );
void sort_rc ( int n, int *indx, int *i, int *j, int isgn );
void sort_safe_rc ( int n, int *indx, int *i, int *j, int isgn, int *i_save,
  int *j_save, int *k_save, int *l_save, int *n_save );
void timestamp ( );