Subversion Repositories openrisc

typedef struct x

{

  struct x *type;

  struct x *chain;

  struct x *value;

} *tree;

int

func (new, old)

     register tree new, old;

{

  if (old->type == 0 || new->type == 0)

    {

      register tree t = old->type;

      if (t == 0)

        t = new->type;

      for (; t; t = t->chain )

        if (t->value)

          return 1;

    }

  return 0;

}