Use macros from sys/disklabel.h instead of custom ones with slightly different (and thus confusing) semantics.
Use macros from sys/disklabel.h instead of custom ones with slightly
different (and thus confusing) semantics.

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