/* Caller screws up callee */
// A name is an address.
// Context are the set of addresses that a program can access

int *foo();

main()
{
	int *xp = foo();
	*xp = 6;
	(void)foo();
}




int* foo()
{
	int x;
	printf("x is %d\n", x);
	return &x;
}