typedefstructCommun{charname[20];charsex[5];intage;chartel[20];charaddress[30];}Com;Comcn,cn2;//用于临时变量和清空Com*pcom;voidadd();voiddeletep();voidselect();voidmodif();voidshowAll();voidclearAll();voidseque();voidrun();voidinital();