- avoid err(3)/errx(3) with immediate exit. use warn(3)/warnx(3) w error return.
- avoid err(3)/errx(3) with immediate exit. use warn(3)/warnx(3) w error return.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5