#include <dlfcn.h>

#include <stdio.h>

int

main (void)

{

  void *h = dlopen ("unload6mod1.so", RTLD_LAZY);

  if (h == NULL)

    {

      puts ("dlopen unload6mod1.so failed");

      return 1;

    }

  int (*fn) (int);

  fn = dlsym (h, "foo");

  if (fn == NULL)

    {

      puts ("dlsym failed");

      return 1;

    }

  int val = fn (16);

  if (val != 24)

    {

      printf ("foo returned %d != 24\n", val);

      return 1;

    }

  return 0;

}