* sysdeps/mach/hurd/ioctl.c (__ioctl): Don't clobber ARG as we copy in
argument data, since it will be used to copy out too (for INOUT).
Reported by Marcus Brinkmann <marcus@gnu.org>.
* sysdeps/mach/hurd/ioctl.c: Include <stdint.h>.
(__ioctl): Use uintptr_t instead of unsigned long int.