(void) __lseek(dirp->__fd, pos, SEEK_SET); dirp->__size = 0; dirp->__offset = 0;
(void) __lseek(dirp->fd, pos, SEEK_SET); dirp->size = 0; dirp->offset = 0;
DEFUN(seekdir, (dirp, pos), DIR *dirp AND __off_t pos){  (void) __lseek(dirp->__fd, pos, SEEK_SET);  dirp->__size = 0;  dirp->__offset = 0;}