/* tcpip.h 4.1 81/11/29 */
* Tcp+ip header, after ip options removed.
struct ipovly ti_i
; /* overlaid ip structure */
struct tcphdr ti_t
; /* tcp header */
#define ti_next ti_i.ih_next
#define ti_prev ti_i.ih_prev
#define ti_len ti_i.ih_len
#define ti_src ti_i.ih_src
#define ti_dst ti_i.ih_dst
#define ti_sport ti_t.th_sport
#define ti_dport ti_t.th_dport
#define ti_seq ti_t.th_seq
#define ti_ack ti_t.th_ack
#define ti_off ti_t.th_off
#define ti_flags ti_t.th_flags
#define ti_win ti_t.th_win
#define ti_sum ti_t.th_sum
#define ti_urp ti_t.th_urp