if (h == NULL)
if (h[1] == NULL)
main (void){  void *h[2];  int fail;  int (*fp) (void);  mtrace ();  h[0] = dlopen ("ltglobmod1.so", RTLD_LAZY);  if (h == NULL)    {      printf ("%s: cannot open %s: %s",	      __FUNCTION__, "ltglobmod1.so", dlerror ());      exit (EXIT_FAILURE);    }  h[1] = dlopen ("ltglobmod2.so", RTLD_LAZY);  if (h == NULL)    {      printf ("%s: cannot open %s: %s",	      __FUNCTION__, "ltglobmod2.so", dlerror ());      exit (EXIT_FAILURE);    }  puts ("loaded \"ltglobmod1.so\" without RTLD_GLOBAL");  fp = dlsym (h[1], "foo");  if (fp == NULL)    {      printf ("cannot get address of `foo': %s", dlerror ());      exit (EXIT_FAILURE);    }  fail = fp ();  puts ("back in main");  dlclose (h[1]);  dlclose (h[0]);  return fail;}