sqlitepager_stats
nRef = *sqlitepager_stats(pBt->pPager);
if( nRef != *sqlitepager_stats(pBt->pPager) ){
nRef, *sqlitepager_stats(pBt->pPager)
int *sqlitepager_stats(Pager*);
a = sqlitepager_stats(pPager);
a = sqlitepager_stats(sqliteBtreePager(pBt));