str_val_len
dlg_ev_val->str_val_len != event->sip_str_len ||
value->str_val_len = hdr->sip_hdr_current -
value->str_val_len = hdr->sip_hdr_current -
value->str_val_len = hdr->sip_hdr_current -
value->str_val_len = hdr->sip_hdr_current -
value->str_val_len =
value->str_val_len = 0;
value->str_val_len = 0;
value->str_val_len = hdr->sip_hdr_end - value->str_val_ptr - 2;