173   CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;  in AddChild()  local
174   while (pExistingChildItem->m_pNextSibling)  in AddChild()
175     pExistingChildItem = pExistingChildItem->m_pNextSibling;  in AddChild()
177   pExistingChildItem->m_pNextSibling = pChildItem;  in AddChild()
190   CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;  in AddHeadChild()  local
192   m_pFirstChild->m_pNextSibling = pExistingChildItem;  in AddHeadChild()
204   CXFA_LayoutItem* pExistingChildItem = pBeforeItem->m_pNextSibling;  in InsertChild()  local
206   pChildItem->m_pNextSibling = pExistingChildItem;  in InsertChild()
216     CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;  in RemoveChild()  local
217     while (pExistingChildItem &&  in RemoveChild()
218            pExistingChildItem->m_pNextSibling != pChildItem) {  in RemoveChild()
219       pExistingChildItem = pExistingChildItem->m_pNextSibling;  in RemoveChild()
221     if (pExistingChildItem)  in RemoveChild()
222       pExistingChildItem->m_pNextSibling = pChildItem->m_pNextSibling;  in RemoveChild()