CH_SLOT_MASK
for (slots = hits & CH_SLOT_MASK; slots != 0;
empties = ~cg_meta_get_flags(g) & CH_SLOT_MASK;
for (slots = hits & CH_SLOT_MASK; slots != 0;
for (slots = hits & CH_SLOT_MASK; slots != 0;
for (slots = hits & CH_SLOT_MASK; slots != 0;
elms = cg_meta_get_flags(g) & CH_SLOT_MASK;
elms = cg_meta_get_flags(g) & CH_SLOT_MASK;
elms &= CH_SLOT_MASK << iter->ci_grp_idx;
elms = cg_meta_get_flags(g) & CH_SLOT_MASK;
elms = cg_meta_get_flags(from) & CH_SLOT_MASK;