diff --git a/src/driver/slbt_driver_ctx.c b/src/driver/slbt_driver_ctx.c
index a8aaffb..12748cd 100644
--- a/src/driver/slbt_driver_ctx.c
+++ b/src/driver/slbt_driver_ctx.c
@@ -131,6 +131,26 @@ void slbt_argv_free(struct argv_meta * meta)
 }
 
 
+void slbt_argv_usage(
+	int		                fd,
+	const char *	                header,
+	const struct	argv_option **  optv,
+	const char *	                mode)
+{
+	return argv_usage(fd,header,optv,mode);
+}
+
+
+void slbt_argv_usage_plain(
+	int		                fd,
+	const char *	                header,
+	const struct	argv_option **  optv,
+	const char *	                mode)
+{
+	return argv_usage_plain(fd,header,optv,mode);
+}
+
+
 uint64_t slbt_argv_flags(uint64_t flags)
 {
 	uint32_t ret = 0;
diff --git a/src/internal/slibtool_driver_impl.h b/src/internal/slibtool_driver_impl.h
index 825eb2a..c81fe67 100644
--- a/src/internal/slibtool_driver_impl.h
+++ b/src/internal/slibtool_driver_impl.h
@@ -196,6 +196,20 @@ struct argv_meta * slbt_argv_get(
 void slbt_argv_free(struct argv_meta *);
 
 
+void slbt_argv_usage(
+	int		fd,
+	const char *	header,
+	const struct	argv_option **,
+	const char *	mode);
+
+
+void slbt_argv_usage_plain(
+	int		fd,
+	const char *	header,
+	const struct	argv_option **,
+	const char *	mode);
+
+
 int slbt_driver_usage(
 	int				fdout,
 	const char *			program,