zyd_al7230B_set_channel  194 dev/usb/if_zyd.c int		zyd_al7230B_set_channel(struct zyd_rf *, uint8_t);
zyd_al7230B_set_channel 1457 dev/usb/if_zyd.c 		rf->set_channel  = zyd_al7230B_set_channel;