/* A sample program demonstrating passing a function
   as an argument */

/* declare type name int2void as the type of function 
that takes an integer array argument and returns a void */
typedef void int2void (int []); 

#include <stdio.h>

void largest (int A[])
{
  int i;
  int large;

  large = A[1];
  for (i = 1; i <= A[0]; ++i)
    if (large < A[i])
      large = A[i];

  printf ("Largest value = %d\n", large);
}

void smallest (int A[])
{
  int i;
  int small;

  small = A[1];
  for (i = 1; i <= A[0]; ++i)
    if (small > A[i])
      small = A[i];

  printf ("Smallest value = %d\n", small);
}
void funct (int A[], int2void *f)
{
  f(A);
}

int main (void)
{
  int A[6] = {5, 1, 2, 3, 4, 5};

  funct (A, largest);
  funct (A, smallest);

  printf ("\n");
  return 0;
}