u_int pkt_flags; /* was type u_long */ int pkt_time; /* was type long */ ssize_t pkt_resid; /* was type long */ u_int pkt_state; /* was type u_long */ u_int pkt_statistics; /* was type u_long */Since the flags, state and statistics fields do not need to grow they have been redefined as 32-bit integers. The data transfer size pkt_resid field does grow and has been redefined as ssize_t.