FEEDER_EQ
if (c->feederflags & (1 << FEEDER_EQ)) {
f = feeder_find(c, FEEDER_EQ);
fc = feeder_getclass(FEEDER_EQ);
c->feederflags |= 1 << FEEDER_EQ;
FEEDER_DECLARE(feeder_eq, FEEDER_EQ);
f = feeder_find(c, FEEDER_EQ);
f = feeder_find(c, FEEDER_EQ);
f = feeder_find(c, FEEDER_EQ);