def read_binary_string(fname,fd,length)
      buff = read_fd fd, length
      @unique_table[buff] = true unless @unique_table.has_key?(buff)
      CFString.new(buff)
    end
def read_binary_string(fname,fd,length)
      buff = read_fd fd, length
      @unique_table[buff] = true unless @unique_table.has_key?(buff)
      CFString.new(buff)
    end
Read a binary string value