move more data to C

include/script_item.h

@@ -0,0 +1,12 @@
+#ifndef GUARD_SCRIPT_ITEM_H
+#define GUARD_SCRIPT_ITEM_H
+
+void InitInternalScriptItemsData(void);
+void FreeInternalScriptItemsData(void);
+void ClearScriptItemScriptVars(void);
+s32 HasItemInInventory(u8 item);
+s32 CheckScriptItemSpace(s32 tableId);
+s32 TryGiveScriptItem(u32 tableId, s32 a1);
+u32 ScriptItemTextboxFunc(void);
+
+#endif // GUARD_SCRIPT_ITEM_H