p2

;; Semantically invalid program for the resaons described below


int N;
int N;                        ;; multiple declarations on N

;; Function main (main)

main ()
{
  int x;
  int c;
  int b;
  int a;

<bb 2>:
  c = 2.12123e10;
  a = b;
  x = main;                  ;; function name appears as a variable RHS
  c = a;
  x = N;
  main = 3;                  ;; function name appears on LHS
  N = cc;                    ;; cc not declared anywhere
  return;

}