information that is used for return to sender function calls;
this function makes it available to the user application. The
address is maintained as IP:port where *IP* could be either
an IPv6 or IPv4 address depending on what was provided by the
sending application.
information that is used for return to sender function calls;
this function makes it available to the user application. The
address is maintained as IP:port where *IP* could be either
an IPv6 or IPv4 address depending on what was provided by the
sending application.