- memcached_st* memcached_pool_pop(memcached_pool_st* pool, bool block);
- void memcached_pool_push(memcached_pool_st* pool, memcached_st *mmc);
+ memcached_st* memcached_pool_pop(memcached_pool_st* pool, bool block, memcached_return *rc);
+ memcached_return memcached_pool_push(memcached_pool_st* pool, memcached_st *mmc);