str_val_ptr
strncmp(dlg_ev_val->str_val_ptr, event->sip_str_ptr,
value->str_val_ptr = value->sip_value_start;
value->str_val_ptr = value->sip_value_start;
value->str_val_ptr = value->sip_value_start;
value->str_val_ptr + 1;
value->str_val_ptr = value->sip_value_start;
value->str_val_ptr = hdr->sip_hdr_current;
value->str_val_ptr - 1;
value->str_val_ptr = NULL;
value->str_val_ptr = NULL;
value->str_val_ptr = hdr->sip_hdr_current;
value->str_val_len = hdr->sip_hdr_end - value->str_val_ptr - 2;