SrcList_item
struct SrcList_item *pNewItem = &pNew->a[i];
struct SrcList_item *pOldItem = &p->a[i];
struct SrcList_item *pItem = &pSrcList->a[i];
struct SrcList_item *pItem = &pSrc->a[k];
struct SrcList_item *pTerm = &pSrc->a[i];
struct SrcList_item *pOther = &pSrc->a[i+1];