-int mac_smack_apply(const char *path, const char *label);
-// UNNEEDED int mac_smack_apply_fd(int fd, const char *label);
-// UNNEEDED int mac_smack_apply_pid(pid_t pid, const char *label);
-// UNNEEDED int mac_smack_apply_ip_in_fd(int fd, const char *label);
-// UNNEEDED int mac_smack_apply_ip_out_fd(int fd, const char *label);
+const char* smack_attr_to_string(SmackAttr i) _const_;
+SmackAttr smack_attr_from_string(const char *s) _pure_;
+int mac_smack_read(const char *path, SmackAttr attr, char **label);
+int mac_smack_read_fd(int fd, SmackAttr attr, char **label);
+int mac_smack_apply(const char *path, SmackAttr attr, const char *label);
+int mac_smack_apply_fd(int fd, SmackAttr attr, const char *label);
+
+int mac_smack_apply_pid(pid_t pid, const char *label);