ADD_TO_BACKTRACE
ADD_TO_BACKTRACE("--------------\n");
ADD_TO_BACKTRACE("'c' param: %s\n", rec);
ADD_TO_BACKTRACE("'f' param: %s\n", rec);
ADD_TO_BACKTRACE("'p' param: %s\n", rec);
ADD_TO_BACKTRACE("'n' param: %s\n", rec);
ADD_TO_BACKTRACE("'u' param: %s\n", rec);
ADD_TO_BACKTRACE("'s' param: %s\n", rec);
ADD_TO_BACKTRACE("\nLine %lu: testing opcode %s\n", line, op);
ADD_TO_BACKTRACE("-- TEST OK ---\n");
ADD_TO_BACKTRACE("-- TEST NOK --\n");