lpos               72 SharedMemoryTree.hpp         offset_ptr<wpos> lpos;    // 最後の位置情報への相対ポインタ
lpos              132 WordTree.cpp           new_node->lpos = new_node->fpos;
lpos              144 WordTree.cpp           (new_node->lpos)->next = new(reinterpret_cast<wpos*>(ShmP))
lpos              146 WordTree.cpp           new_node->lpos = (new_node->lpos)->next;