Utility functions for marshalling to and from bigstring
marshal_to_fd ?buf fd v marshals data
v to file descriptor
using marshalling buffer
buf, and marshalling flags
Raises input errors as in Bigstring.really_write.
bufcannot hold enough data for marshalling.
unmarshal_from_sock ?buf sock unmarshals data from socket
using unmarshalling buffer
buf. Raises input errors as in
bufcannot hold enough data for unmarshalling.