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-rw-r--r--src/gui/inc/gui.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gui/inc/gui.h b/src/gui/inc/gui.h
index 6678b1b..7198af0 100644
--- a/src/gui/inc/gui.h
+++ b/src/gui/inc/gui.h
@@ -12,6 +12,7 @@ extern "C"
struct gui_common
{
+ void (*add_child)(struct gui_common *parent, struct gui_common *child);
int (*update)(struct gui_common *, const union peripheral *,
const struct camera *);
int (*render)(const struct gui_common *);