Pull in sys/ioctl.h since things like dt seem to depend on this include. Also, KNF and multi-inclusion protection.
Pull in sys/ioctl.h since things like dt seem to depend on this include.
Also, KNF and multi-inclusion protection.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars