int mls_level_isvalid(struct policydb *p, struct mls_level *l);
int mls_context_to_sid(char oldc,
int mls_level_isvalid(struct policydb *p, struct mls_level *l);
int mls_context_to_sid(char oldc,
struct context *newcontext);
int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
struct context *newcontext);
int mls_setup_user_range(struct context *fromcon, struct user_datum *user,