class Net::SSH::Buffer

def write_int64(*n)

buffer object.
64-bit integer (8 bytes). Does not alter the read position. Returns the
Writes each argument to the buffer as a network-byte-order-encoded 
def write_int64(*n)
  n.each do |i|
    hi = (i >> 32) & 0xFFFFFFFF
    lo = i & 0xFFFFFFFF
    @content << [hi, lo].pack("N2")
  end
  self
end