# File lib/midilib/utils.rb, line 24
    def Utils.as_var_len(val)
        buffer = ''
        buffer << (val & 0x7f)
        val = (val >> 7)
        while val > 0
            buffer << (0x80 + (val & 0x7f))
            val = (val >> 7)
        end
        return buffer.reverse!
    end