- rename 'out' -> 'ret', - introduce LINK_OPERSTATE_RANGE_INVALID, - constify LINK_OPERSTATE_RANGE_DEFAULT, - drop spurious const specifier for allocated string, - etc,.
- rename 'out' -> 'ret', - introduce LINK_OPERSTATE_RANGE_INVALID, - constify LINK_OPERSTATE_RANGE_DEFAULT, - drop spurious const specifier for allocated string, - etc,.