+/**
+ * selinux_ctxid_to_string - map a security context ID to a string
+ * @ctxid: security context ID to be converted.
+ * @ctx: address of context string to be returned
+ * @ctxlen: length of returned context string.
+ *
+ * Returns 0 if successful, -errno if not. On success, the context
+ * string will be allocated internally, and the caller must call
+ * kfree() on it after use.
+ */
+int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen);
+
+/**
+ * selinux_get_inode_sid - get the inode's security context ID
+ * @inode: inode structure to get the sid from.
+ * @sid: pointer to security context ID to be filled in.
+ *
+ * Returns nothing
+ */
+void selinux_get_inode_sid(const struct inode *inode, u32 *sid);
+