code: def _tls_decompress(alg, c):
      
      p = TLSPlaintext()
      p.type = c.type
      p.version = c.version
      p.data = alg.decompress(c.data)
      p.len = len(p.data)
      return p
docs: Decompress c (a TLSCompressed instance) using compression algorithm
      instance alg and return a TLSPlaintext instance.