COPYDATA
COPYDATA(items[i], 0, itemsz[i], ptr);
COPYDATA(m, off, len, buf);
COPYDATA(m, off, len, wptr);
COPYDATA(m, off, MIN(sizeof(ifsipsec->ipsec_buffer), dlen),
COPYDATA(m, off, sizeof(cookies), (char *)cookies);
COPYDATA(m, off, MIN(sizeof(ctcpbuf), dlen), ctcpbuf);
COPYDATA(fin->fin_m, off, len, pptps->pptps_wptr);
COPYDATA(fin->fin_m, off, len, pptps->pptps_wptr);
COPYDATA(m, off, dlen, (char *)membuf);
COPYDATA(m, off, dlen, (char *)membuf);
COPYDATA(m, off, MIN(sizeof(portbuf), dlen), portbuf);
COPYDATA(m, off, dlen, (caddr_t)&rm->rm_msgbuf);
COPYDATA(m, off, dlen, (caddr_t)&rm->rm_msgbuf);