358   struct stk_trailer *trailer;  in i00afunc()  local
371   trailer = (struct stk_trailer *) (status.current_address  in i00afunc()
378   if (trailer == 0)  in i00afunc()
383   while (trailer != 0)  in i00afunc()
385       block = (long *) trailer->this_address;  in i00afunc()
386       size = trailer->this_size;  in i00afunc()
389       trailer = (struct stk_trailer *) trailer->link;  in i00afunc()
399   if (trailer == 0)  in i00afunc()
406       if (trailer->this_size <= 0)  in i00afunc()
408       result += trailer->this_size;  in i00afunc()
409       trailer = (struct stk_trailer *) trailer->link;  in i00afunc()
411   while (trailer != 0);  in i00afunc()