sys/kern/kern_descrip.c

1372 kern_close_range(struct thread *td, u_int lowfd, u_int highfd)
1385 	if (highfd < lowfd) {
1393 	fd = lowfd;
1420 	u_int	lowfd;
1429 	AUDIT_ARG_FD(uap->lowfd);
1436 	return (kern_close_range(td, uap->lowfd, uap->highfd));
1445 	int	lowfd;
1452 	u_int lowfd;
1454 	AUDIT_ARG_FD(uap->lowfd);
1460 	lowfd = MAX(0, uap->lowfd);
1461 	return (kern_close_range(td, lowfd, ~0U));