A.AT(’FoxPro’,’Visual FoxPro’) B.LEN(’Visual FoxPro’) C.SUBSTR(’Visual FoxPro’,8,6)=’FoxPro’ D.LEFT(’Visual FoxPro’,6)=’Visual’ E.RIGHT(’Visual FoxPro’,6)=’FoxPro’
A.EOF() B.BOF() C.RECNO() D.AT() E.VAL()
A.DO WHILE ... ENDDO B.IF ... ENDIF C.DO CASE ... ENDCASE D.SCAN ... ENDSCAN E.FOR ... ENDFOR