int bar = 0;f (p)     int *p;{  int foo = 2;  while (foo > bar)    {      foo -=  bar;      *p++ = foo;      bar = 1;    }}main (){  int tab[2];  tab[0] = tab[1] = 0;  f (tab);  if (tab[0] != 2 || tab[1] != 1)    abort ();  exit (0);}