_FIOFFS
(void) ioctl(fswritefd, _FIOFFS, NULL);
if (ioctl(fd, _FIOFFS, NULL)) { /* flush file system */
request = _FIOFFS;
case _FIOFFS:
if (ioctl(fd, _FIOFFS, NULL) == -1) {
if (ioctl(fileno(qf), _FIOFFS, NULL) == -1) {
if (ioctl(fileno(qf), _FIOFFS, NULL) == -1) {
if (ioctl(fd, _FIOFFS, NULL) == SYSERR) {
case _FIOFFS:
case _FIOFFS:
case _FIOFFS: