via_sent_by_host
return (&via_value->via_sent_by_host);
value->via_sent_by_host.sip_str_ptr =
value->via_sent_by_host.sip_str_len =
value->via_sent_by_host.sip_str_ptr;
if (value->via_sent_by_host.sip_str_len == 0 ||
(!isalnum(*value->via_sent_by_host.sip_str_ptr) &&
*value->via_sent_by_host.sip_str_ptr != '[')) {