compile success for libsepl in kernel

kernel/libsepol/include/sepol/users.h

@@ -0,0 +1,48 @@
+#ifndef _SEPOL_USERS_H_
+#define _SEPOL_USERS_H_
+
+#include <sepol/policydb.h>
+#include <sepol/user_record.h>
+#include <sepol/handle.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Modify the user, or add it, if the key is not found */
+extern int sepol_user_modify(sepol_handle_t * handle,
+			     sepol_policydb_t * policydb,
+			     const sepol_user_key_t * key,
+			     const sepol_user_t * data);
+
+/* Return the number of users */
+extern int sepol_user_count(sepol_handle_t * handle,
+			    const sepol_policydb_t * p, unsigned int *response);
+
+/* Check if the specified user exists */
+extern int sepol_user_exists(sepol_handle_t * handle,
+			     const sepol_policydb_t * policydb,
+			     const sepol_user_key_t * key, int *response);
+
+/* Query a user - returns the user or NULL if not found */
+extern int sepol_user_query(sepol_handle_t * handle,
+			    const sepol_policydb_t * p,
+			    const sepol_user_key_t * key,
+			    sepol_user_t ** response);
+
+/* Iterate the users
+ * The handler may return:
+ * -1 to signal an error condition,
+ * 1 to signal successful exit
+ * 0 to signal continue */
+extern int sepol_user_iterate(sepol_handle_t * handle,
+			      const sepol_policydb_t * policydb,
+			      int (*fn) (const sepol_user_t * user,
+					 void *fn_arg), void *arg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif