Read up to len bytes from the socket. This function is
non-blocking and will only return data if data is available. The
number of bytes read can be less then len if fewer bytes are
available for i...
Read up to len bytes from the socket. This function is
non-blocking and will only return data if data is available. The
number of bytes read can be less then len if fewer bytes are
available for immediate reading. If no data is available null
is returned.