-extern uint16_t type_storep_instr[TYPE_COUNT];
-extern uint16_t type_eq_instr [TYPE_COUNT];
-extern uint16_t type_ne_instr [TYPE_COUNT];
-extern uint16_t type_not_instr [TYPE_COUNT];
+extern const uint16_t type_storep_instr[TYPE_COUNT];
+extern const uint16_t type_eq_instr [TYPE_COUNT];
+extern const uint16_t type_ne_instr [TYPE_COUNT];
+extern const uint16_t type_not_instr [TYPE_COUNT];