sc_nbytes         110 dev/isa/fd.c   	int sc_nbytes;		/* number of bytes currently transferring */
sc_nbytes         706 dev/isa/fd.c   		fd->sc_nbytes = finfo ? bp->b_bcount : nblks * fd_bsize;
sc_nbytes         720 dev/isa/fd.c   		isadma_start(bp->b_data + fd->sc_skip, fd->sc_nbytes,
sc_nbytes         819 dev/isa/fd.c   		fd->sc_skip += fd->sc_nbytes;
sc_nbytes         820 dev/isa/fd.c   		fd->sc_bcount -= fd->sc_nbytes;