rc_snaplevel_t
rc_snaplevel_t *rn_snaplevel;
rc_snaplevel_t *rs_levels; /* list of levels */
rc_snaplevel_t *rsl_next;
rc_snaplevel_t *, rc_node_t *);
void rc_snaplevel_hold(rc_snaplevel_t *);
void rc_snaplevel_rele(rc_snaplevel_t *);
rc_snaplevel_t *lvl;
rc_snaplevel_t *lvl = np->rn_snaplevel;
rc_snaplevel_t *lvl;
rc_snaplevel_t *sl;
rc_snaplevel_t *lvl, rc_node_t *pp)
rc_snaplevel_hold(rc_snaplevel_t *lvl)
rc_snaplevel_rele(rc_snaplevel_t *lvl)
rc_snaplevel_t *lvl, *next;