1  #include <stdio.h>
       2  
       3  extern int *psym1, *psym2;
       4  extern int strongsym;
       5  
       6  int
       7  main (void)
       8  {
       9    printf ("value via psym1: %d, via psym2: %d, strong %d\n",
      10  	  *psym1, *psym2, strongsym);
      11    return 0;
      12  }