1 #include <stdio.h> 2 #include <stdlib.h> 3 4 int common1[1]; 5 char common2[2]; 6 7 extern int bar (); 8 9 int 10 main () 11 { 12 int i; 13 if (bar () != -1) 14 abort (); 15 if (common1[0] != -1) 16 abort (); 17 for (i = 0; i < sizeof (common2)/ sizeof (common2[0]); i++) 18 if (common2[i] != 0) 19 abort (); 20 printf ("PASS\n"); 21 return 0; 22 } 23