#include "c.h"
#include "dlfcn.h"
#include <iostream>
using namespace std;

int main (int argc, const char * * argv)
{
   void * lib = dlopen ("./libabc.so", RTLD_LAZY);
   if (lib == NULL)
      cout << "Cannot load library" << endl;
   else
   {
      cout << "Library loaded" << endl;
      
      void * p = dlsym (lib, "z");
      if (p == NULL)
         cout << "Function not found" << endl;
      else
      {  
         cout << "Function is ready" << endl;
         typedef void (*func_t) ( const char * );
         func_t u = (func_t) p;
         // func_t u = reinterpret_cast <func_t> (p);
         u ("a.cc");
      }
      
      typedef void (*func_t) ( const char * );
      func_t v = (func_t) dlsym (lib, "f");
      if (v != NULL)
         v ("pokus");

      int * w = (int *) dlsym (lib, "g");
      if (w != NULL)
         cout << "Variable g = " << *w << endl;
      
      // #include "c.h"
      typedef C * ( * fact_t ) ();
      fact_t f = (fact_t) dlsym (lib, "cfactory");
      if (f != NULL)
      {
         C * q = f ();
         q->setName ("Neco");
         q->print ();
      }
      
      void * lib2 = dlopen ("./libklm.so", RTLD_LAZY);
      if (lib2 != NULL)
      {
	 cout << "Second library loaded" << endl;
         typedef C * ( * fact_t ) ();
         fact_t f2 = (fact_t) dlsym (lib2, "cfactory");
         if (f2 != NULL)
         {
           C * q2 = f2 ();
           q2->setName ("Neco jineho");
           q2->print ();
         }
          dlclose (lib2);
      }
      
      dlclose (lib);
   }

   return 0;
}