Example 2: An example to illustrate differences between inter-procedural frameworks

int **a, *b, *c, *d, e

foo( )
{
      bar( );
}


bar ( )
{
      *a = d;
}

main( )
{
      a = &b;
      foo( ); /* call site C1 */

      a = &c;
      d = &e;
      foo( ); /* call site C2 */    
}