1 files changed, 1 insertions, 0 deletions
diff --git a/gfx.h b/gfx.h
index 747fdccd2..bab426944 100644
--- a/gfx.h
+++ b/gfx.h
@@ -78,6 +78,7 @@ void DrawMouseCursor();
 void ScreenSizeChanged();
 void UndrawMouseCursor();
 bool ChangeResInGame(int w, int h);
+void ToggleFullScreen(const bool full_screen);
 
 typedef struct {
 	int xoffs, yoffs;