need pullup in icmp_input; add arg to rtredirect to distinguish

[unix-history] / usr / src / sys / netinet / udp.h

/*      udp.h   6.1     83/07/29        */

/*
* Udp protocol header.
* Per RFC 768, September, 1981.
*/
struct udphdr {
       u_short uh_sport;               /* source port */
       u_short uh_dport;               /* destination port */
       short   uh_ulen;                /* udp length */
       u_short uh_sum;                 /* udp checksum */
};