RDLPTR           499 ext/dl/ptr.c     size = RDLPTR(self)->size;
RDLPTR           511 ext/dl/ptr.c     size = RDLPTR(self)->size;
RDLPTR           1001 ext/dl/ptr.c       return DLLONG2NUM(RDLPTR(self)->size);
RDLPTR           1004 ext/dl/ptr.c       RDLPTR(self)->size = DLNUM2LONG(size);