997 	ep->savefd = NULL;  in newenv()
1016 	if (ep->savefd != NULL) {  in quitenv()
1019 			if (ep->savefd[fd])  in quitenv()
1020 				restfd(fd, ep->savefd[fd]);  in quitenv()
1021 		if (ep->savefd[2])  in quitenv()
1106 		if (ep->savefd) {  in cleanup_parents_env()
1108 				if (ep->savefd[fd] > 0)  in cleanup_parents_env()
1109 					close(ep->savefd[fd]);  in cleanup_parents_env()
1110 			afree(ep->savefd, &ep->area);  in cleanup_parents_env()
1111 			ep->savefd = NULL;  in cleanup_parents_env()
1481 savefd(int fd)  in savefd()  function
1516 	pv[0] = savefd(lpv[0]);  in openpipe()
1519 	pv[1] = savefd(lpv[1]);  in openpipe()
1713 		if ((j = savefd(i)) != i) {  in maketemp()