extern char **ocaml_guestfs_strings_val (guestfs_h *g, value sv);
extern void ocaml_guestfs_free_strings (char **r);
+# ifdef __GNUC__
+# ifndef ATTRIBUTE_UNUSED
+# define ATTRIBUTE_UNUSED __attribute__((__unused__))
+# endif
+#else
+# ifndef ATTRIBUTE_UNUSED
+# define ATTRIBUTE_UNUSED
+# endif
+#endif
+
#endif /* GUESTFS_OCAML_C_H */