OFF32             727 pack.c         		rb_str_buf_cat(res, OFF32(&l), NATINT_LEN(long,4));
OFF32             760 pack.c         		rb_str_buf_cat(res, OFF32(&l), NATINT_LEN(long,4));
OFF32             782 pack.c         		rb_str_buf_cat(res, OFF32(&l), NATINT_LEN(long,4));
OFF32            1601 pack.c         		memcpy(OFF32(&tmp), s, NATINT_LEN(long,4));
OFF32            1612 pack.c         		memcpy(OFF32(&tmp), s, NATINT_LEN(unsigned long,4));