Externalize symbols

[babeltrace.git] / include / babeltrace / format.h

diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h
index 877e8bb6a2d29e1273a6cdd66a42d1b0fdc14d04..c97d1987fd9e14c05f440223308d41c5d1c9b39c 100644 (file)
--- a/include/babeltrace/format.h
+++ b/include/babeltrace/format.h
@@ -35,9 +35,9 @@ struct format {
        void (*close_trace)(struct trace_descriptor *descriptor);
 };
 
-struct format *bt_lookup_format(GQuark qname);
-void bt_fprintf_format_list(FILE *fp);
-int bt_register_format(struct format *format);
+extern struct format *bt_lookup_format(GQuark qname);
+extern void bt_fprintf_format_list(FILE *fp);
+extern int bt_register_format(struct format *format);
 
 /* TBD: format unregistration */