tcp_seq th_seq; /* sequence number */
tcp_seq th_ack; /* acknowledgement number */
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int th_x2:4, /* (unused) */
+ u_char th_x2:4, /* (unused) */
th_off:4; /* data offset */
#endif
#if BYTE_ORDER == BIG_ENDIAN
- u_int th_off:4, /* data offset */
+ u_char th_off:4, /* data offset */
th_x2:4; /* (unused) */
#endif
u_char th_flags;