This function does the same thing as the bind system call - see
bind(2). It attaches an address (a name) to an
already opened socket specified by the
The function returns true if it succeeded, false otherwise (and puts
the error code into $!).
NAME should be
a packed address of the proper type for the socket.
bind S, $sockaddr or die "Can't bind address: $!\n";
See also the example in the section "Sockets" in Chapter 6.