stack_free

	stack_free(stack.gp.r)

	This routine will delete a stack and free all of the data
	that it points to.

	stack		stack to delete

	This function requires the following include files:

	cbslib_h

	Related functions:

	stack_delete, stack_init, stack_push, stack_pop, stack_peek,
	stack_is_empty

	C/C++ usage:

	void	*stack;

	stack_free(&stack);