用bm演算法所編寫的字串搜尋，vc版，藉由讀取來建立關鍵字庫表，接著在讀取所有遮罩的關鍵字，並且將關鍵字遮蔽起來，並且在輸出文件。-Bm algorithm used by the preparation of the search string, vc version, read by the Treasury to create the keyword table, and then read all the mask keyword, and will cover up the keywo