HERMON_IND_BIT
((bmap)[HERMON_IND_BYTE(ind)] |= HERMON_IND_BIT(ind))
((bmap)[HERMON_IND_BYTE(ind)] &= ~HERMON_IND_BIT(ind))
((bmap)[HERMON_IND_BYTE(ind)] & HERMON_IND_BIT(ind))