exend             524 kern/subr_extent.c 	u_long newstart, newend, exend, beststart, bestovh, ovh;
exend             599 kern/subr_extent.c 	exend = ex->ex_end;
exend             645 kern/subr_extent.c 			exend = rp->er_start;
exend             804 kern/subr_extent.c 		ovh = exend - newstart - (size - 1);