struct addrinfo *addrlist = NULL, *myaddrlist = NULL;
    char channelName[SOCK_CHAN_LENGTH];

    /*
     * Do the name lookups for the local and remote addresses.
     */

    if (!TclCreateSocketAddress(interp, &addrlist, host, port, false, &errorMsg)
	    || !TclCreateSocketAddress(interp, &myaddrlist, myaddr, myport, true,
		    &errorMsg)) {
	if (addrlist != NULL) {
	    freeaddrinfo(addrlist);
	}
	if (interp != NULL) {
	    TclPrintfResult(interp, "couldn't open socket: %s", errorMsg);
	}

    chosenport = 0;

    if (TclSockGetPort(interp, service, "tcp", &port) != TCL_OK) {
	errorMsg = "invalid port number";
	goto error;
    }

    if (!TclCreateSocketAddress(interp, &addrlist, myHost, port, true,
	    &errorMsg)) {
	my_errno = errno;
	goto error;
    }

    for (addrPtr = addrlist; addrPtr != NULL; addrPtr = addrPtr->ai_next) {
	sock = socket(addrPtr->ai_family, addrPtr->ai_socktype,