link_rfu_4 is part of mystery_gift_menu

include/mystery_gift_menu.h

@@ -1,9 +1,9 @@
 #ifndef GUARD_MYSTERY_GIFT_MENU_H
 #define GUARD_MYSTERY_GIFT_MENU_H
 
-extern bool8 gUnknown_203F3B8;
+extern bool8 gGiftIsFromEReader;
 
-void sub_81422FC(void);
-void sub_8142344(bool8, bool32);
+void MainCB_FreeAllBuffersAndReturnToInitTitleScreen(void);
+void PrintMysteryGiftOrEReaderTopMenu(bool8, bool32);
 
 #endif //GUARD_MYSTERY_GIFT_MENU_H

include/title_screen.h

@@ -0,0 +1,6 @@
+#ifndef GUARD_TITLE_SCREEN_H
+#define GUARD_TITLE_SCREEN_H
+
+void CB2_InitTitleScreen(void);
+
+#endif //GUARD_TITLE_SCREEN_H