print_channels
static void print_channels(int, const struct ieee80211req_chaninfo *,
print_channels(s, chaninfo, allchans, verbose);
print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, verbose);
print_channels(s, chaninfo, true /* allchans */,
print_channels(s, &dc->dc_chaninfo, true /* allchans */,
print_channels(s, &req->chaninfo, true /* allchans */,