// In header: <boost/interprocess/allocators/adaptive_pool.hpp>


template<unsigned int V, typename T, typename S, std::size_t NPC, 
         std::size_t F, unsigned char OP> 
  bool operator!=(const adaptive_pool_base< V, T, S, NPC, F, OP > & alloc1, 
                  const adaptive_pool_base< V, T, S, NPC, F, OP > & alloc2);