ubase 1411 dev/systrace.c caddr_t udata, ubase; ubase 1415 dev/systrace.c ubase = stackgap_alloc(&strp->sg, repl->strr_len); ubase 1416 dev/systrace.c if (ubase == NULL) { ubase 1438 dev/systrace.c udata = ubase + repl->strr_off[i];