1 #include <stdlib.h> 2 #include <stdio.h> 3 4 extern int foo_alias; 5 extern char *bar (); 6 7 int main()8 main () 9 { 10 if (foo_alias != 0) 11 abort (); 12 bar (); 13 if (foo_alias != -1) 14 abort (); 15 printf ("PASS\n"); 16 return 0; 17 } 18