Searching According to a giving value, search the table to return data element whose keyword equal to the value If search table has this data element(or record) then call search successful and return. the entire record or the position of it in the table else call search failed and return. null record or null pointer.According to a giving value, search the table to return a data element whose keyword equal to the value. If search table has this data element(or record) then call ”search successful”, and return：the entire record or the position of it in the table； else call“search failed” ,and return：null record or null pointer. Searching