prepare (SQLite3::Driver::DL::Driver)

    # File lib/sqlite3/driver/dl/driver.rb, line 54
        def prepare( db, sql, utf16=false )
          handle = ::DL::PtrData.new(0)
          remainder = ::DL::PtrData.new(0)

          result = API.send( ( utf16 ? :sqlite3_prepare16 : :sqlite3_prepare ),
             db, sql+"\0", sql.length, handle.ref, remainder.ref )

          args = utf16 ? [ utf16_length(remainder) ] : []
          remainder = remainder.to_s( *args )

          [ result, handle, remainder ]
        end