NTSTATUS (*get_sid_from_id)(DOM_SID *sid, unid_t id, int id_type);
NTSTATUS (*get_id_from_sid)(unid_t *id, int *id_type, const DOM_SID *sid);
- NTSTATUS (*set_mapping)(DOM_SID *sid, unid_t id, int id_type);
+ NTSTATUS (*set_mapping)(const DOM_SID *sid, unid_t id, int id_type);
/* Called when backend is unloaded */
NTSTATUS (*close)(void);