Some renaming

include/berry_pouch.h

@@ -3,10 +3,10 @@
 
 #include "task.h"
 
-void sub_813D808(u8 taskId);
-void sub_813D934(void (*)(void));
+void BerryPouch_StartFadeToExitCallback(u8 taskId);
+void BerryPouch_SetExitCallback(void (*)(void));
 void InitBerryPouch(u8, void (*)(void), u8);
-void sub_813EB20(u8 taskId, u8 bgId, const u8 * str, TaskFunc followUpFunc);
+void DisplayItemMessageInBerryPouch(u8 taskId, u8 bgId, const u8 * str, TaskFunc followUpFunc);
 void sub_813E2B8(u8 taskId);
 
 #endif //GUARD_BERRY_POUCH_H