ref: 3866717cbb020199d58171c1c0cdd7382a74ee82
dir: purgatorio/module/powerman.m
Powerman: module { PATH: con "/dis/lib/powerman.dis"; init: fn(file: string, cmd: chan of string): int; ack: fn(cmd: string); ctl: fn(cmd: string): string; stop: fn(); };