COFF_TXTOFF
COFF_TXTOFF(fp, ap),
epp->ep_taddr, epp->ep_vp, COFF_TXTOFF(fp, ap),
(COFF_BLOCK_ALIGN(ap, COFF_TXTOFF(fp, ap) + (ap)->a_tsize))
COFF_TXTOFF(&exechdrp->f, &(exechdrp->a));