Some renaming

include/item_menu.h

@@ -29,9 +29,9 @@ void sub_8108CF0(void);
 void sub_810B108(u8);
 void ReturnToBagFromKeyItem(void);
 void ItemMenu_MoveItemSlotToNewPositionInArray(struct ItemSlot * slots, int pos1, int pos2);
-void sub_8108B50(u8 taskId);
+void ItemMenu_StartFadeToExitCallback(u8 taskId);
 void sub_8108CB4(void);
-void sub_8108EE0(void (*)(void));
+void ItemMenu_SetExitCallback(void (*)(void));
 void DisplayItemMessageInBag(u8 taskId, u8 bgId, const u8 * string, TaskFunc followUpFunc);
 void sub_810A1F8(u8 taskId);
 void sub_8107ECC(void);