+struct _codelookup {
+ code_t**bytepos;
+ int len;
+};
+
+code_t*add_opcode(code_t*atag, U8 op);
+
+code_t*code_parse(TAG*tag, int len, abc_file_t*file, pool_t*pool, codelookup_t**codelookup);
+int code_dump(code_t*c, exception_list_t*exceptions, abc_file_t*file, char*prefix, FILE*fo);
+void code_write(TAG*tag, code_t*code, pool_t*pool, abc_file_t*file);
+void code_free(code_t*c);
+code_t* code_atposition(codelookup_t*l, int pos);
+void codelookup_free(codelookup_t*codelookup);